General PHP MCQs

1. What will be the value of $result? 1, 'val2' => array('val21' => 21, 'val22' => 22), 'val3' => 3 ); $result = array_key_exists('val22', $myArr); ?>

2. What are Traits in PHP?

3. What function allows you to print a backtrace?

4. How do single quotes interpret strings in PHP?

5. What is the recommendation regarding PHP closing tags in a document?

6. What's the output? $values = array(0, NULL, FALSE); foreach($values as $key => $value) { echo isset($values[$key]) ? 'TRUE ' : 'FALSE '; }

7. Which statement opens a file for writing, to append data at the end of its content ?

8. The PHP function which capitalizes the first letter of each word in a string

9. How can you call this function? $greet = function($name) { printf('Hello %s\r\n', $name); };

10. $table = array('old_value'); foreach($table as $row) { $row='new_value'; } echo $table[0]; will produce:

11. To access functions of an instantiated class, you use the following:

12. Which one checks to see if HTTP headers have been sent?

13. Difference between the use of single quotes and double quotes in PHP syntax?

14. Which statement will NOT combine strings $s1 and $s2 into a single string?

15. In this example code, $result = print_r ($a); $result is the

16. Given the following code, the Atom class can access which variables? class Flash { public $fast; private $superSpeed; private $ultraSonic; protected $warp; } class Atom extends Flash { }

17. Valid character for starting a PHP function name?

18. Atleast how many abstract methods must an abstract class contain?

19. Which is not a valid PHP variable declaration?

20. Choose the string for which the POSIX regular expression ^[A-Za-z]$ matches.

21. The interpreter executes one PHP command which ends in a semi-colon. This is referred to as a

22. What is the value of $start after exiting the for loop?

23. Which array allows you to use textual keys so that array indices can be more descriptive?

24. The following code will produce: var_dump(5 === '5');

25. How would you create a numeric array from the following string that did not include '-test' and where each digit had its own array key? $str = '6.1.4.2.6-test';

26. Which one generates a unique ID for members of your site?

27. What is the GD Library?

28. What's the output?

29. Which keyword precedes a method name?

30. Which is NOT a function of PHP session support?

31. What is a collection of characters that is treated as one entity called?

32. A fatal run-time error would be caught by

33. Which function checks for the existence of a particular key?

34. What function helps prevent MySQL injection?

35. Which one sorts an array and maintains index association?

36. How do I typecast a variable to boolean?

37. Which function changes directory on ftp-connection?

38. What's the output?

39. OCI8, PostgreSQL, and SQLSRV are all examples of

40. Which outputs a formatted string?

41. What is a large binary data object called in PHP?

42. The ......... function parses an English textual date or time into a Unix timestamp

43. Arrays in PHP can only hold the same data type.

44. What's the output? $str = 'My name is O\'Connor.'; echo stripslashes($str);

45. Which function allows you to delete a file?

46. Which function removes all HTML and PHP tags?

47. What's the output? $> php -r 'echo echo 'a';'

48. Which datatypes are treated as arrays in some cases?

50. What type of statements tell your PHP script to execute a section of code only if certain criteria are met?

51. Which keyword refers to properties or methods within the class itself?

52. Correct way to add comments to PHP?

53. Which PHP extension provides an abstract method for database retrieval?

54. Which language construct is used to terminate a running script?

55. To output information about a variable use the function

56. What function converts 'Hatfields & McCoys' into 'Hatfields & McCoys'?

57. Which PHP function creates an array by using one array for keys and another for its values?

58. Which statement is true about PHP constants?

59. HTTP cookies can be used to:

60. Given, the following: What is the output?

61. We can include ('sandy.php') two times in one PHP page 'my.php'.

62. What type of operator is && in PHP?

63. How do you perform a strict comparison of variables for type and value?

64. Which function returns one or more randomly selected keys from an array?

65. Which PHP function creates a directory on an FTP server?

66. Function to specify a start position of a string and length arguments to retrieve part of a string?

67. What's the output?

68. Which one displays the browser properties using PHP?

69. When using the POST method, variables are displayed in the URL:

70. What is the official website of PHP

71. mysqli_num_rows() function is used to:

72. How do you specify a string literal in PHP?

73. Which function returns information on the PHP configuration you are using?

74. Which is a string operator?

75. Right way to set a value on an object stdClass?

76. How do you inherit the methods from BaseClass in MyClass?

77. Which variable contains values of $_GET, $_POST, and $_COOKIE?

78. Can PHP scripts be embedded directly into XHTML documents?

79. __construct is a

80. An Object is a/an ___ of a class

81. Which one stores PHP values, such as strings, numbers or arrays?

82. Which assigns a value of type string to variable $x?

83. If a string is enclosed in double-quotes, PHP will interpret more escape sequences for special characters such as

84. list — Assign variables as if they were an array

85. Which statement returns the number of characters in the string variable $a?

86. Which PHP math function would you use to return the number with the lowest value of two specified numbers?

87. How to call a method from within a class?

88. Which PHP function returns part of a string?

89. In the following PHP script, $arr = array(1,2,3);, 1, 2, and 3 are the array

90. Which one is NOT a command for sending output to the standard output?

91. What is meant by nl2br()?

92. Choose the correct value for $i. $i = 2; $i++;

93. Which variable does PHP make automatically available to you?

94. Which PHP function finds the position of the last occurrence of a substring within a string?

95. To modify the default PHP settings such as whether to accept the short form open tag (<?), you need to change the

96. Which construct is typically used for exception handling in PHP?

97. Which function tests a string for an exact match of the argument?

98. Which statements start a session and end a session?

99. Which does not represent a single, valid PHP variable

100. Which are examples of PHP comments?

101. Which PHP function opens a file for reading only?

102. $var = (10 % 2 == 0) ? true:false; What is the output of $var?

103. Which are PHP comparison operators?

104. The practice of combining strings and variables into one string is called:

105. Which PHP math function would you use to generate a random integer?

106. Function to display information about variables in a simple, readable format?

107. Which one checks if a value exists in an array?

108. An example of a float in PHP is:

109. Which function gives you the current PHP version information?

110. How do you define a constant in PHP?

111. What kind of error causes the termination of the script?

112. Function to display the value of an array in a readable format?

113. How to call in order for your session variables to work?

114. Which one expected to contain information about the user's browser?

115. PHP is?

116. Which returns information passed via HTTP forms?

117. Which HTML form submission methods is suitable when you need to send large amounts of form data?

118. The concatenation operator in PHP is

119. How is the following statement interpreted in PHP? $i = 1;

120. Which PHP language construct sends output to a browser window?

121. A string literal in PHP can be specified in the following way(s):

122. Function to perform a regular expression match in PHP?

123. Placing ++ in front of variable:

124. Which statement allows you to add new records to a MySQL database table?

125. The statement header('Location: http://www.somesite.com'); will

126. How do you add a multi-line comment in PHP?

127. Which function creates a directory on the FTP server?

128. Which function libraries are supported in PHP?

129. strpos() stands for

130. What should you do in advance, to get and set session variable

131. Which PHP function completely destroys all data relevant to the session?

132. Operator to concatenate strings in PHP?

133. The logical operator OR is similar to:

134. Why is PHP more widely used than ASP?

135. CakePHP, Zend, and CodeIgniter are popular _________ used on many PHP servers.

136. How do you combine multiple arrays into one single PHP array?

137. Which is a characteristic of the PHP language?

138. An example of a PHP string is:

139. Functions using global variables must declare the variables by using

140. Which PHP function sorts an array?

141. One way to output a string in PHP is:

142. Which variable is not predefined by PHP?

143. What are int, float, string and boolean examples of in PHP?

144. Variables in PHP start with a

145. Which language construct allows you to combine code from one file into another?

146. Choose the statement which produces this output: This is an example.

147. Valid PHP function modifier?

148. Variable to collect values of a form sent via the HTTP POST method?

149. What's the output? $name = 'John' echo 'Hi there '.$name;

150. Which is not a predefined variable?

151. If the allow_url_fopen configuration setting is enabled, which of the following functions will be able to open remote urls?

152. Which function checks for a specific PHP data type?

153. How would you determine if a variable is set?

154. Which function will generate random integers?

155. What types of arrays are supported in PHP?

156. How do you write 'Hello World' in PHP

157. Which construct includes an external PHP file?

158. Valid loop method in PHP?

159. Function to check for data type?

160. The PHP language can be used on the following operating systems:

161. The function mysql_connect( ) takes following parameter(s):

162. All variables in PHP start with which symbol?

163. PHP supports which of the following features?

164. Select the type of variable scope which is not supported by PHP:

165. True regarding the XML support in PHP?

166. Which control statement indicates a block of code to be repeated a number of times?

167. $_x = 2; $_x += 4;

168. PHP requires that instruction statements be terminated with a:

169. Which statement is used to retrieve browser properties?

170. Which is NOT used to specify PHP comments?

171. PHP math function to round a number upwards to the nearest integer?

172. What's the output?

173. What does the acronym LAMP stand for?

174. An array in PHP is:

175. Which function can be used to convert 'ff' to 255?

176. Which PHP function randomizes the order of the elements in an array?

177. Which type is not supported by PHP?

178. Recommended standard (short_opentag=Off) for opening and closing a PHP code block?

179. What will it output?

180. Which returns an array with elements in reverse order?

181. Which function allows you to split a string into an array of substrings by a string delimiter?

182. Which statement correctly declares a float variable in PHP?

183. Which is an example of a statement using a combined operator?

184. Which best describes: $panther = new Animal();

185. If you would like to check to see if a PHP variable has data, which language constructs would you use?

187. Which is used to count total number of characters in a string?

188. The PHP operator, %, which returns the remainder of an equation is called the:

189. To suppress error messages to the user, preface the PHP statement with

190. PHP requires instructions to be terminated at the end of each statement with a

191. How can we increase the execution time of a PHP script from setting php.ini?

192. The FTP functions can be used to perform the following actions on file servers:

193. What function is used to check if a variable is an array?

194. Variables in PHP are represented by a dollar sign followed by the name of the variable. A valid name must NEVER start with a...

195. Which is valid PHP syntax?

196. The setcookie() function must appear _____ the <html> tag.

197. What is the value of $var when the following line is executed in a PHP function? unset($var);

198. Include files can have which file extensions?

199. Which function converts a string to all uppercase characters?

200. What is output by the following: $c = 1; ++$c; echo $c++;

201. Which PHP function will combine two arrays?

202. Can PHP be run on a Windows IIS server?

203. What's the output? define('FIRST-NAME','John');

204. What PHP function counts elements in an array, or properties in an object?

205. What is the scope of a PHP constant? Declared using define()

206. There is no difference in using the following 2 examples: echo('string'); echo 'string'

207. After a file is successfully opened in PHP, how do you retrieve a line from the file?

208. You can use both single quotes ( ' ' ) and double quotes ( '' '' ) for strings.

209. In the date() function what does the 'm' format character do?

210. In this example code, $result = print_r($a); $a is the

211. What's the output? Assume that today is 2009-3-19:2:45:32 pm

212. The web server sets a cookie on the web client by sending the name/value pair as part of

213. Which of the following is false?

214. The only code construct allowed before a namespace declaration is the declare statement, for defining encoding of a source file

215. What function converts newlines to HTML line breaks in a string?

216. Which variable name is incorrect?

217. In PHP the error control operator is _______

218. Which function advances the internal array pointer of an array?

219. Is $_SERVER['PHP_SELF'] subject to injection vulnerabilities?

220. Choose the word(s) that describe the fundamental style of programming for PHP.

221. Which function sets the internal pointer of an array back to its first element?

222. What's the output? echo ucwords(strtoupper('aAaA bBbB'));

223. Which rule determines which sections of script are able to access which variables?

224. Which statement would produce the output, 'I love summer'?

225. Function to convert the first letter of a string to uppercase?

226. How do you create a non-public method, which can be used in a child-class?

227. What's the output?

228. Variable assignment which is performed 'by value' in PHP.

229. What does the following output? echo (5 % 3);

230. What will range('a', 'z') return?

231. What is meaning of PEAR?

232. Which PHP function returns 'true' if a value already exists in an array?

233. There are two objects- $product1 = new Shop(); $product2 = new Shop(); Which is right about them?

234. What's the output?

235. The case expression is used as part of a PHP ____.

236. In the PHP code given below, what is/are the properties?

237. The PHP mail() function allows you to...

238. Which PHP function checks to see if a file exists and is writable?

239. Difference between the include() and require() language constructs?

240. Which function displays a formatted string?

241. Which is not a valid key type for arrays in PHP?

242. What does delete() function do?

243. Which PHP function sends a raw HTTP header to a client?

244. Which will return the value of current session id?

245. What separates a sequence of one or more characters used to specify the boundary between separate text regions?

246. Which compound type is supported by PHP?

247. echo substr('Hello world',-4); the right output is?

248. The break statement ends execution of which structure?

249. You can call a parent class' implementation of a method which is overridden by a child class using:

250. Which removes the last value of an array and returns it?

251. How would you delete a cookie?

252. $val = '' ''; What will isset($val) return?

253. What is returned by array_product( array( 2, 3) )?

254. Which function would allow you to convert a string to an array?

255. Which one removes a cookie from client's browser?

256. Error reporting constants are used to adjust error reporting settings. Which is NOT a valid error reporting constant?

257. Which is the scope resolution operator in PHP?

258. function foo($bar) { if($bar['soap'] != 'Zest') { return $bar['soap']; } } Which best describes the function foo()?

259. Which PHP function tells whether a file exists and is readable?

260. What's the MIME type for images with correct extension 'jpg'?

261. Given the statement, mysqli_connect(“happy.com”, “hot24”, “015A#”, “ABC”); “happy.com” and “hot24” respectively refer to ?

262. natsort( array( 'i10', 'i1', 'i20' ) ) = ?

263. Default maximum execution time for a PHP script?

264. Self-contained collections of functions AND properties are referred to as

265. In PHP, the die() and exit() language constructs perform the same function.

266. What's the output? $array[]='value';

267. What variable scope would you use if you wanted a function variable which does not discard it's value when the function has completed execution?

268. Upon completion of a file upload in PHP, the UPLOAD_ERR_OK error code is returned. What does this indicate?

269. What will be displayed?

270. Which function returns the contents of the output buffer and empties the buffer?

271. Which PHP function closes an open SQLite database?

272. Which control structure should NOT be used to check for a condition being met?

273. The PHP instruction header('Content-Type: text/plain') should be sent:

274. Which function exchanges all keys with their associated values in an array?

275. Which function allows you to split a string by a regular expression and put the results into an array?

276. What do anonymous functions do in PHP?

277. Variable $a has not been declared. With error reporting turned off, what is the result of: $a[1][2]=3;?

278. Which string delimiting methods is known as the heredoc syntax?

279. Which character is used to separate namespaces in PHP?

280. dirname(__FILE__) will return what?

281. Function to create your own streams using the PHP stream wrappers and register them within PHP?

282. What does the return code E_ERROR indicate?

283. When using php cli how can you return the same info as phpinfo()

284. Which methods are available in PHP to read a remote file?

285. Which PHP functions generate random numbers following algorithms known as Mersenne Twister?

286. The PHP statement: $i[2] = 'orange'; is an example of

287. What is input sanitization?

288. What's the output?

289. What is default session time in PHP?

290. Result of casting the integer 1 to an array: (array) 1

291. What function sets the default timezone used by all date and time functions in a script?

292. How can we set the default time zone using PHP?

293. Which function removes the first element from an array, and returns the value of the removed element?

294. What function creates a cookie?

295. If one wants to convert all double quotes ('') to a backslash followed by a double quote (\'') which of the following can be used?

296. The comparison $a xor $b evaluates to...

297. How to determine whether the variable’s value is either TRUE or FALSE?

298. Which PHP function will return an array of values from $start to $end.

299. $_SERVER, $_COOKIE, $_FILES, $_ENV are examples of PHP built-in variables called:

300. Which of the following will return TRUE?

301. The function setcookie( ) is used to

302. Which is used to format a number ?

303. In PHP5, your 'construct' method must be named the exact same thing as your 'class'.

304. To determine if the file pointer is at the end of a successfully opened file, use the...

305. PHP scripts can be saved, and included later, under which allowed file extensions?

306. Which is true about the 'touch' function in PHP? Signature: touch($filename, $time) : boolean

307. What's the output? preg_filter($pattern, $replace, $subject)

308. What's the output? $x=array(2=>'mouse',7=>'keyboard'); $y=array_keys($x); echo $y[1];

309. Which do not return a timestamp?

310. What's the output? class angryBob{ public function angryBob(){ $this->apple = 'Taken away by Bob' } } class sillyBill extends angryBob{ var $apple; public function sillyBill() { $this->apple = 'Eaten by Bill' parent::angryBob(); } } $Bill = new sillyBill; echo $Bill->apple;

311. Which PHP function checks a month, day, and year number to determine if they form a valid Gregorian date?

312. Correct way to assign a class constant?

313. class A{} class_alias( 'A', 'B' ); var_dump(new B); outputs ...

314. PHP variable $hello is set to 'HELLO WORLD'. Which statement would return 'Hello World' instead?

315. Correct usage of the chmod() function?

316. Functions can be used to execute a shell command?

317. print_r( 2 ) outputs:

318. Which is the correct abstract method?

319. what is array_column?

320. Which PHP function is used to replace a string?

321. Which is not magic method?

322. What's the output? function luckyA (&$beebar){ $beebar *= 2; return $beebar; } $x= 4; $y = luckyA($x); $x += 5; echo $x . ', ' . $y;

323. How would you fall back on the default value of 'Unknown', if a request-parameter is missing or empty?

324. When passing an object to json_encode(), the default behavior can be modified by:

325. Which does not have a resource for a return type?

326. 'virtual()' in PHP

327. How to get the number of arguments passed to a PHP function?

328. $a = array('a' => 0, 'b' => 0, 'c' => 1, 'd' => 2); $b = array_flip($a); var_dump($b); What does the 'var_dump' function show ?

329. use keyword is used only for namespace

330. What's the output? array_map('print_r', array( 'a', 'b' ) );

331. Use of the final keyword in a method declaration prevent?

332. PHP's echo and print functions are not exactly alike. Which will accept multiple parameters and concatenate them in its 'without parentheses' form?

333. Function to simplify searches in databases where you know the pronunciation but not the spelling

334. Choose the correct output of:

335. Which is NOT true for PHP constants?

336. Which mode parameter should be used with the fopen() function to open a file and point to the end for writing only?

337. Default timeout of a PHP session cookie ?

338. What's the output? $one='two'; $two='one'; echo $$$one;

339. Result of calling json_encode() on an empty array?

340. What is the output of the following code? $a='20' $a -= 5; echo $a++;

341. Given the following code: printVar(); ?> What will the output be?

342. When adding ('+' function) two variables of type integer and type string, what type is the resulting value?

343. Given an array of images, $images = array('img12.png', 'img10.png', 'img2.png', 'img1.png'), which function will sort $images into ('img1.png', 'img2.png', 'img10.png', 'img12.png')?

344. What does the glob() function return?

345. Sleep(3000); will sleep the page for?

346. An object can be counted with count() and sizeof() if it:

347. What's the output?

348. Final structure of the following array? $animals = array( 'dog', 'cat', true => 'lion' );

349. What's the output? $a = '12345' $a[$a[2]] = 3; echo $a;

350. is_a( $a, $b ) will:

351. Correct way to call an anonymous function?

352. What's the output?

353. Which PHP function will return a file's last access time?

354. Value of $a?

355. Which function inserts one or more elements to the beginning of an array?

356. Which network transports doesn’t PHP support?

357. What does this display? 1, 'b'=>2, 'c'=>3); echo key($x);

358. Which will split a string into an array with 3 elements?

359. Which function returns an item from the argument list?

360. Which protocol is not supported by PHP streams?

361. Which type of error can NOT be caught with a custom error handler?

362. What will be the output: preg_match( '@^(?:http://)?([^/]+)@i', 'http://www.php.net/index.html', $matches ); $match = $matches[1]; echo $match;

363. What is the time complexity of a call to array_key_exists()?

364. What data types cannot be used with PHP5 Type Hinting?

365. Which superglobals doesn't contain data from the client?

366. Function to convert data into a binary string according to a specified format?

367. PHP function to get information about the current session cookie?

368. Within the eval() function, code must be opened and closed with PHP tags, i.e.

369. Function to obtain the ASCII value of a character?

370. What does mt_srand( [int $a] ); do?

371. $a = array('z','x','y'); $b = sort($a); The value of $b is?

372. How do you call a static method defined by the called class from a parent class?

373. Is it possible to typehint function arguments using native types (String, Bool, Array, Int, Float, Binary...)?

374. Which function returns the size of a specified file on the FTP server?

375. What does this code do? namespace Hello\World;

376. Which elements can be encapsulated by namespaces?

377. Not a valid PHP variable type conversion?

378. Is there a function to listen on E_ERROR (fatal) errors?

379. Which PHP extension allows you to simplify converting between different calendar formats?

380. Function to read an entire file into an array ?

381. <?php $x = 1; echo($x++ + ++$x + $x)*2; Which will the output be?

382. What's the output?

383. The getdate() function returns

384. What's the output? $value = 'hello world'; function printHello($x = 'hello') { $x = $value; var_dump($x); }

385. What's the output?

386. Which is a predefined class in PHP?

387. Which PHP function reads entire file into an array?

388. What's the output? File: view.php File: test.php

389. What doesn this statement means $a === $b

390. Does ZIP extensions available by default in PHP 5.x ?

391. What's the output?

392. Function to read the contents of a file into a string?

393. $message vs. $$message . what is the difference

394. What is the opening tag for PHP

395. Keyword to create object of a class in PHP?

396. Value returned by the preg_match function in php?

397. $array1 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4); $array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8); var_dump(array_diff_key($array1, $array2));

398. What is the end tag in PHP

399. What function in PHP to display?

400. Use of Unlink()

401. Function to insert one or more elements to the end of an array.

402. Function to calculate the sum of values in an array

403. What's the output? $a = 'b'; $b = 0; echo '${$a}';

404. What does DRY stand for?

405. Which function makes keys from array to become values and values from array to become keys?

406. What's the output? function cube($n) { return($n * $n * $n); } $a = array(1, 2, 3, 4, 5); $b = array_map('cube', $a); print_r($b);

407. Is it possible to initiate abstract class?

408. What's the output? $array1 = array('a' => 'green', 'b' => 'brown', 'c' => 'blue', 'red'); $array2 = array('a' => 'green', 'yellow', 'red'); $result = array_diff_assoc($array1, $array2); print_r($result);

409. What's the output? '; echo is_finite(log(0)) . '
'; echo is_finite(2000); ?>

410. Given this code: function doSomething( &$arg ) { $return = $arg; $arg += 1; return $return; } $a = 3; $b = doSomething( $a ); what is the value of $a and $b after the function call?

411. Which is not a magic function in PHP?

412. What will be the output of , if the page was accessed via 'https://example.com/?section=predef_vars&category=_server&page=request_uri#content'?

413. What is the cause of this warning: 'Warning: Cannot modify header information - headers already sent'?

414. Preferred way to write this if statement, and why?

415. What will be the output of <?php echo strrpos('Hello world!', 'o'); ?>?

416. Which modifier to use in function date() to get difference to Greenwich time (GMT) in hours?

417. What does the in_array() function in PHP do?

418. Output of following code:

419. Difference between public, protected and private in a class definition?

420. What does PHP stand for?

421. Use of ===

422. Correct way to join strings? $str = 'abcdef' + 'ghi'; $str = 'abcdef' . 'ghi'; $str = join('abcdef','ghi'); $str = 'abcdef' plus 'ghi'

423. $_GET display parameters in the URL?

424. How will you create a database using PHP and MySQL?

425. PHP can be combined wiht html

426. Default extension for PHP files

427. Differences between Get And Posts methods ?

428. Which is the php opening tag?

429. If $a = 1 and $b = 2, how can you switch values of a and b, so we get $a = 2 and $b = 1?

430. Which is the php closing tag?

431. Difference between $name and $$name

432. What function computes the difference of arrays?

433. PHP can be run on Microsoft Windows IIS(Internet Information Server):

434. How to start PHP interactive console?

435. Which can be used to set the time zone in individual scripts?

436. What does the rsort() function do?

437. Purpose of this function? headers_sent()

438. What's the output? 'a', 1 => 'b'); var_dump ($array); ?>

439. What's the output? function foobar( $arg ){ static $a = 0; echo $arg; $a++; return $a; } echo foobar( 1 ); echo foobar( 3 );

440. What will be output?

441. What function sorts array in the ascending order?

442. What's the output? $string = '1234567890234567890'; $pos = strpos($string, '2', 2); echo 'The number two was found at position $pos';

443. ................Checks a date for numeric validity.

444. Command to display the php version through the console ?

445. What's the output?

446. Result ?

447. What's the output if date is 24/02/2008? format('l,F,js,Y') ?>

448. The values 0, '0', and FALSE are treated equally in all PHP functions.

449. Is PHP a Hypertext Preprocessor, open source server-side scripting language that is widely used for web development

450. How to display a string?

451. Syntax to compare two values?

452. What is the name of the PHP configuration file?

453. How do you create an object ?

454. How you fetch this ? $connect = mysqli_connect('ip','test','pass'); msqli_query($connect,'use test'); $query = msqli_query($connect,'SELECT name FROM question');

455. Which splits a string to an array ?

456. Which is a valid start to a pho comment?

457. Which is a superglobal variable??

458. In PHP, the die() and exit() functions do the exact same thing.

459. What's the output? $a = true; var_dump($a);

460. What's the output? $array = array('dog','cat','pig'); $str = ' ' ; foreach($array as $value){ $value .= $value . $str; } print_r($array);;

461. What's the result of $b ? $a = 3; $b = &$a; $a = $a*4; echo $b;

462. What will show next code: $data = new stdClass; $data->var1 = 'word' $data->var2 = 'text' print_r( json_decode( json_encode($data), true ) );

463. $var = 'green' $str = 'The apple is $var \n' echo $str; What will be displayed ?

464. What does this display: Class Obj{ public $a = 2; public function __construct($var=null){ if(!empty($var)) $this->a = $var } } $obj = new Obj(0); echo $obj->a;

465. Function to hash a password for storage?

466. What function checks a supplied password against a password hashed using password_hash?

467. What's the output? function counter($a){ $result = ++$a++; return $result; } echo counter(5);

468. What is the answer of this $a = 'b' $b = 1; echo '$${a}'

469. What's the output? echo 4<<4;

470. Which is used to sort an array in descending order?

471. Are ZIP extensions available by default in PHP 5.x ?

472. What does this statement means $a === $b ?

473. How will you find out the value of current session id?

474. file_exists() will return false when

475. What is the standard PHP function to send emails?

476. What's the output? $a = 'clue'; $a .= 'get'; echo '$a';

477. Which number of primitive types does PHP support?

478. What will be the output of the following PHP code? <?php $fruits = array ("mango", "apple", "peach", "pear"); $fruits = asort ($fruits); printr ($fruits); ?>

479. What's the output: $a = true; echo (is_null($a)) ;

480. What is the functions unlink?

481. .......... Returns the time of sunrise for a given day / location

482. Which is not valid PHP code?

483. What's the output? $integer = 5; $string = strval($integer); var_dump($string);

484. What's the output? $a = (2 == '2') ? true : false; echo $a;

485. Which array function checks if the specified key exists in the array

486. Which are valid float values?

487. Which function will attempt to return a timestamp, in microseconds?

488. What's the output? $a$a = 1; $b$b = 2; echo '$a$a + $b$b';

489. Which keyword is used to inherit our subclass from a superclass?

490. How to capture exception's message? Note: consider Exception $e.

491. What is the new feature added in PHP 5.4.0 ?

492. var_dump(0123 == 123); var_dump('0123' == 123); var_dump('0123' === 123);

493. Function to escape strings for MySQL in PHP 5.5 and later?

494. What's the output ? echo '1'.print(3)+3;

495. Which result will produce this code? class A { private $property = 1; public function getProperty() { return $this->property; } } class B extends A { protected $property = 2; public function __construct($v) { $this->property = $v; } } class C extends B { public $property = 3; } $c = new C(4); echo $c->property; echo $c->getProperty();

496. Reserved keywords such as 'break' and 'while' can be used as variable names.

497. What will be the values of $a and $b after the code below is executed? $a = '1'; $b = &$a; $b = '2$b';

498. What are traits for?

499. $a = '1'; $b = &$a; $b = '2$b';

500. What's the output?

501. What is the output of the following code? $foo = 'bar'; $bar = 'bar' $$foo = 'foo' echo '$foo', '$bar';

502. function output? Fn($a){ switch($a){ case $a>1: echo '1'; case $a===2: echo '2'; case $a>2: echo '3'; } } outputFn(2); What's the output of the outputFn function?

503. password_hash() creates a new password hash using a strong one-way hashing algorithm. password_hash() is compatible with crypt(). Therefore, password hashes created by crypt() can be used with password_hash(). In the following sentence: $pass = password_hash('123456', PASSWORD_BCRYPT); echo strlen($pass); how many characters there are in the generated hash? and the hash generated is unique?

504. What's the output?

505. Initial value of a integer and float variable?

506. What's the output?

507. When comparing two arrays, what is the difference between == and === ?

508. What does the array_unshift () function do?

509. What kind of regular expression does PHP include?

510. Which is a type of array in PHP?

511. With the following code, will the word Hello be displayed on screen? Hello

512. What's the output?

513. What's the output?

514. What's the output?

515. Operator with the lowest precedence?

516. What will be the output of the following code?

517. Function to remove the first element of an array?

518. Will the trim function strip NULL bytes?

519. What function would you use to delete a file?

520. What is the precedence between && and 'and'?

521. What's the output?

522. Is the PHP float type guaranteed to be 64 bit IEEE?

523. Knowing that the output of the first echo is '2.5', what will be the output of the third echo on Unix Machine? setlocale(LC_ALL, 'fr_FR'); echo (string)2.5; echo '\n'; echo (float)(string)2.5; ?>

524. What is empty () ?

525. Is sizeof() function returns the number of elements in an array?

526. Which fopen option opens the file for reading and writing; placing the file pointer at the beginning of the file without truncating it.

527. What is the associativity of +=?

528. What does the array_combine (a, b) function do?

529. Best practice for running MySQL queries in PHP? Consider the risk of SQL injection.

530. Which methods should be used for sending an email using the variables $to, $subject, and $body?

531. Which is used to maintain the value of a variable over different pages?

532. Which will check if a function exists?

533. Which is not a file-related function in PHP?

534. Which is true about the singleton design pattern?

535. Which characters are taken care of by htmlspecialchars?

536. Which variable declarations within a class is invalid in PHP?

537. Which is not a PHP magic constant?

538. Which will print out the PHP call stack?

539. What's the output?

540. Which is correct about Mysqli and PDO?

541. Correct way to send a SMTP (Simple Mail Transfer Protocol) email using PHP?

542. Which of the following will start a session?

543. For the following code: Which sequence will run successfully?

544. What enctype is required for file uploads to work?

545. Which is not an encryption method in PHP?

546. What function should you use to join array elements with a glue string?

547. Which function can be used to delete a file?

548. What is the string concatenation operator in PHP?

549. Which is useful for method overloading?

550. Which will store order number (34) in an „OrderCookie'?

551. What would occur if a fatal error was thrown in your PHP program?

552. Correct line to use within the php.ini file, to specify that 128MB would be the maximum amount of memory that a script may use?

553. Best way to change the key without changing the value of a PHP array element?

554. What's the output?

555. Does PHP 5 support exceptions?

556. Can php use gettext ?

557. Which function will suitably replace „X' if the size of a file needs to be checked? $size=X(filename);

558. Correct PHP command to use to catch any error messages within the code?

559. Which cryptographic functions in PHP returns the longest hash value?

560. What's the output?

561. What's the output ?

562. Correct syntax of mail() function in PHP?

563. What does this output? $pos =strpos('Atlanta', 'a');echo $pos;

564. An array in PHP is an ordered map which associates

565. What will this return: $value='Hello_World'; $rt=explode('_',$value); echo $rt[0];

566. What result? $a = '1'; $a[$a] = '2'; echo $a;

567. $i = 5; print $i++ + ++$i;

568. What will be the array $b after executing this code? $a = array(1, 3, 5); $b = array(2, 4, 6); $b += $a;

569. For PHP version <= 5.3, how can we activate error reporting for all levels?

570. What does this statement do?

571. Correct way to require the file 'time.inc' in a manner which will halt the script upon failure?

572. Include files must have the file extension '.inc'

573. In PHP in order to access MySQL database, use the:

574. Which PHP function do you call to begin a PHP session?

575. The PHP syntax is most similar to:

576. HTML form input needs to be validated in order to avoid:

577. What does MVC stand for?

578. How do you retrieve the value of a variable called 'name' which has been passed from a submitted form?

579. Which would be accepted as an argument parameter in the following function: function getEmotion(Emotion $emotion) { ... }

580. Which function opens an SQLite database and creates the database if it does not exist?

581. $a='1'; extract( array( 'a' => '2' ) ); echo $a; outputs ...

582. The function checkdate() returns what data type?

583. Which libraries are available for using regular expressions in PHP?

584. Time complexity of a call to array_search()?

586. What's the output?

587. What is the result of : $a = 'abcd'; if(strpos('a', $a)) { return true; } else { return false; }

588. Which subversion of PHP5 adds short array syntax?

589. In mail($param1, $param2, $param3, $param4), the $param2 contains:

590. Name of the function to check the variable type is object

591. ( (4 >= 4 && 8 < 1) || (44 == 33 || 5 > 3) ) will return

592. $x = 10.88; echo (int) $x;

593. How can I identify the server IP address in PHP?

594. The function used to iterate over array and object.

595. Which function is used to check type of array

596. (8 < 1 || 4 >= 4 ) will return

597. $file = 'sample.txt'; $current = file_get_contents($file); $current .= 'Additional Info'; file_put_contents($file, $current); What is the meaning of above code?

598. Best way of writing an IF/ELSE statement on one line?

599. function foobar( ) { $a = func_get_args( ); return $a[2]; } print foobar('a',1,'b',2); What would the output be?

600. Best way to URL encode a string?

601. Which is not related to file

602. $a = &$b; $b = 'Mary?' print $a;

603. Which functions will not result in a runtime error if the file requested does not exist or can't be opened?

604. How can we delete a file using php function.

605. Which functions split the string and return the array?

606. Which values should be assigned to the variables $a, $b and $c in order for the following script to display the string Hello, World!

607. How do you make PHP use a class file without having to require or include it manually?

608. Difference between $message and $$message?

609. What visibility level will this class property get in PHP5? var $cool = true;

610. .... operator is used to test if two values are identical in every way.

611. $text = 'He went to the school.'; echo strpbrk($text, 'w'); In the above code, what is the output?

612. Difference between a method declared as static and a normal method?

613. Which lines below will output the following string: 'PHP is 'super easy' to use!'

614. Function to append one or more elements to the end of the array?

615. In PHP5 >= 5.3.0, which new operator was added?

616. Which function is used to display the properties of variable?

617. How to open file in read/write mode?

618. Given: $email = ‘[email protected]’; which code block will output example.com?

619. Which is a php resource?

620. Which crpto return longest hash value

621. Which function allows you to store session data in a database?

622. Which function will list files and directories inside the specified path?

623. Difference between idate and date function?

624. Which function can be used to rename files?

625. $sweet = array('1' => 'apple', '2' => 'banana'); $fruits = array('delicious' => $sweet, 'sweet' => 'strawberry'); function myprint($item, $key) { echo '$key is $item\n'; } array_walk_recursive($fruits, 'myprint'); In above code, what is the output?

626. What's the output. $arr = 'a'; $arr[0]='b'; echo $arr; echo $arr[0];

627. Correct way to include the file 'time.inc' ?

628. How do you kill or destroy a session?

629. To ensure that a given object has a particular set of methods, you must provide a method list in the form of an ________ and then attach it as part of your class using the ________ keyword.

630. How to check if a directory exists?

631. Best way to iterate and modify every element of an array using PHP 5?

632. The contents of an image file are stored in memory as $imString, but the original file is not available. Of the following, which uses the least amount of code and is a valid method of retrieving the dimensions of $imString?

633. Which functions set options in curl script?

634. Which functions compare the substrings of the parameters?

635. Which functions get a list of response headers sent (or ready to send)?

636. How do you get header information from a URL?

637. How should you filter variables before passing to header()?

638. Which variable type can NOT be used as a type hint?

639. What's the output? 'green', 'red', 'blue'); $array2 = array('b' => 'green', 'yellow', 'red'); $result = array_intersect($array1, $array2); print_r($result); ?>

640. $a = array('pomme', 'banane'); $b = array(1 => 'banane', '0' => 'pomme'); var_dump($a === $b); What does-it print ?

641. How do you instantiate a new object from class foo? class foo { function do_foo() { echo 'Doing foo.'; } }

643. What's the output? 20, 1 => 36, 40); array_rand ($a); echo $a[0]; ?>

644. echo new stdClass == new stdClass, '-', new stdClass !== new stdClass;

645. Function to prepend one or more elements to the beginning of an array?

646. Function to report errors from mysqli functions or queries?

647. Which function is a relative ftp function new to PHP5?

648. What's the output? function test(&$var) { $var=$var-1; return $var; } $returnVar = test(50); echo $returnVar. ' is answer.';

649. What's the output? $a = 0 or 1; $b = 0 || 1; echo '$a, $b';

650. The number of parameters in setCookie function

651. What does php_strip_whitespace function return?

652. Which functions compute the intersection of arrays with additional index check and are defined newly in PHP5?

653. What Does OOM mean?

654. What function allows you to find the position of the first occurrence of a substring?

655. PHP provides the goto in the latest version.

656. How do you connect mysql with the use of PHP5 new functions?

657. Which variable is not related to file upload?

658. What's the output sayHello($c);

659. $table = array('old_value'); foreach($table as $row) { $row='new_value'; } echo $table[0]; will produce:

660. What's the output

661. What's the value of $res?

662. The following would return? extract( array( 'sexy' => 'a', 'and' => 'b', 'i' => 'c', 'know' => 'd', 'it' => 'e' ) ); return $sexy.$and.$i.$know.$it;

663. Which variable assignment is 'by reference' in PHP?

664. The comparison $a <> $b means

665. What does this function do: function my_func($variable) { return (is_numeric($variable) && $variable % 2 == 0); }

666. Which keyword causes a conditional loop to skip to the start of the next iteration?

667. What are the default header request protocols defined in PHP?

668. What is the output? $str = 'My name is O\'Connor.'; echo stripslashes($str);

669. Which datatypes are treaded as arrays?

670. What is the result?

671. What is PHAR?

672. Primary difference between interfaces and abstract classes in PHP?

673. How can you enable the cURL extension?

674. The setrawcookie() method of setting cookies is different from PHP standard method of cookie setting as:

675. How can you hide the fact that web pages are written in PHP? By using AddType application/X-httpd-php asp Specify all file names without any dot and extension By using .htaccess diretive in Apeche All of the above

676. What is the output? $a = 3; $b = 2; echo (int)$a/(int)$b ?> 1 1.5 2 3 Eroor

677. Which one is correct? $s = fwrite ('a string here'); $s = fwrite ($fp,'a string here'); $s = fwrite ('a string here',$fp); none of the above

678. Late PHP version support remote file accessing for the functions: include() include_once() require_once() All of the above

679. What's the output? $count=50; function Argument() { $count++; echo $count; } Argument() ?> It will print 50 It will print 51 It will print 52 It will print 1

680. which are used for code reuse? Loops functions Database include files

681. Which are 'magic constant'? __LINE__ __FILE__ c __PRETTY_FUNCTION__ d __CLASS__ __METHOD__

682. you have defined three variables $to, $subject, and $body to send an email. Which methods would you use for sending an email? mail($to, $subject,$body) sendmail($to, $subject,$body) mail(to, subject,body) sendmail(to, subject,body)

683. Which one is turnary operator? & = ?: += &&

684. The default value of register global in PHP is: Off On

685. If you want to pass a value to a function by reference, the correct way is: function ModifyReport(&$Rptfile){} function ModifyReport($Rptfile){} function ModifyReport(ByRef $Rptfile){} function ModifyReport(&Rptfile){}

686. Which are PHP file upload-related functions?

687. Which statements regarding PHP forms, are correct?

688. Consider the following 2D array in PHP: $array = array(array(141,151,161), 2, 3, array(101, 202, 303)); Which will display all values in the array?

689. What's the output? $Rent = 250; function Expenses($Other) { $Rent = 250 + $Other; return $Rent; } Expenses(50); echo $Rent;

690. Which is not a valid API?

691. Consider the following class: 1 class Insurance 2 { 3 function clsName() 4 { 5 echo get_class($this); 6 } 7 } 8 $cl = new Insurance(); 9 $cl->clsName(); 10 Insurance::clsName(); Which lines should be commented to print the class name without errors?

692. Without introducing a non-class member variable, which can be used to keep an eye on the existing number of objects of a given class?

693. Which is not a valid PHP XML API?

694. Which function is not used in debugging?

695. Difference between die() and exit() in PHP?

696. Which is true about posting data using cURL in PHP?

697. Best way to load a file that contains necessary functions and classes?

698. Which function is not related to garbage collection in PHP?

699. Modes to write into a file at the end of the existing content, and create the file if the file does not exist?

700. Which is the operator with the highest precedence?

701. Which is not a valid PHP parser tag?

702. Which is not a valid SimpleXML Parser method?

703. Which is not a valid php.ini parameter with respect to file uploading?

704. What's the output? $a = 10; echo 'Value of a = $a';

705. Meaning of the system message, 'Allowed memory size of bytes exhausted'?

706. Given the following array: $array = array(0 => 'blue', 1 => 'red', 2 => 'green', 3 => 'red'); Which will print 2?

707. Should assert() be used to check user input?

708. Which is not a predefined constant?

709. Which regular expression can check the validity of an e-mail addresss?

710. What is 'empty()'?

711. Which is not a valid DOM method in PHP?

712. What's the output? '; print_r($item); echo ''; ?>

713. Which is false about cURL?

714. Function to remove the first element of an array?

715. Which is true about the 'new' operator in PHP?

716. Which environment variable is used to fetch the IP address of the user in a PHP application?

717. With regards to the 'static' keyword in PHP, which statements is false?

718. Which code snippet has the most appropriate headers to force the browser to download a CSV file?

719. Which will return the extension of a file name?

720. With what encoding does chr() work?

721. Is the ||= operator present in PHP?

722. Which statement is incorrect, with regards to inheritance in PHP?

723. Best way to convert one date format into another; portable for all PHP versions?

724. Best approach to parse HTML and extract structured information from it?

725. Which are not considered Boolean false?

726. Correct use of the constant, PHP_EOL?

727. Consider statements: I : while (expr) statement II: while (expr): statement ... endwhile; Which is true, in the context of the given statements?

728. Function to calculate the amount of memory allocated to a PHP script?

729. Which statement will return true?

730. Which is a ternary operator?

731. Which is a correct declaration?

732. Which is not a valid cURL parameter in PHP?

733. Which variables are supported by the 'str_replace()' function?

734. Correct way to read-in multiple values from an array?

735. How should a variable be declared in a function, if the value has to be retained over multiple calls?

736. Which will not give the correct date and time in PHP?

737. Which is the right MIME to use as a Content Type for JSON data?

738. Which is true regarding the str_replace() function in PHP?

739. Which are valid PHP data types?

740. What's the output? echo '1'.print(2) + 3;

741. What's the output?

742. What will be the output?

743. What will be the output?

744. Correct way to check if a session has already been started?

745. Difference between the float and the double type in PHP?

746. What is the outpu? 3, y => 2, z => 5); $b = array (x => 9, y => 3, z => -7); vec_add (&$a, $b); print_r ($a); ?>

747. What is wrong with code? curl_setopt($ch, CURLOPT_URL, 'http://www.example.com/'); curl_setopt($ch, CURLOPT_HEADER, 0); curl_exec($ch); curl_close($ch); ?>

748. Which code snippet outputs a random string?

749. Which will read an object into an array variable?

750. Which is not a valid Xdebug configuration setting?

751. What is the output?

752. In PHP5, what is the difference between using self and $this, and when is each appropriate?

753. The built-in function to get the number of parameters passed is

754. What is the output?

755. Use of the @ symbol in front of a variable?

756. Best method for sanitizing user input with PHP?

757. Method to capture the whole screen in PHP?

758. Which would trigger the browser's 'Save As' prompt?

759. Which method is used to check if an array is associative or numeric?

760. What will be the output?

761. Difference between $a == $b and $a === $b in PHP?

762. Correct way to create two independent connections to MySQL in PHP?

763. Which is incorrect with respect to json_encode and serialize()?

764. What is a salted MD5 hashed password?

765. How would you guarantee a reliable expiration of a PHP session after 30 minutes?

766. Why is it not recommended to use $_REQUEST when handling form submissions in PHP?

767. Which is true with respect to database tables in PHP?

769. Correct PHP command for setting a MySQL connection character set to UTF8?

770. Which is incorrect with respect to separating PHP code and HTML?

771. Which should be avoided with respect to the database username and password in PHP?

772. Correct way to convert a variable from a string to an integer?

773. Which statements is incorrect?

774. What is the outpu?

775. Which features are supported in PHP5?

776. Output of the code?

777. Which is not related to debugging in PHP?

778. Output of the code? ' ?>'

779. What is the output?

780. Output of the code?

781. Which is correct with regard to echo and print?

782. A file needs to be opened in a PHP application. Additionally, the application has to issue a warning and continue execution, in case the file is not found. The ideal function to use is:

783. Which functions output text?

784. Which function is used to destroy a variable or object?

785. How do you erase an element from an array, with numeric keys, to maintain a normalized integer series?

786. Fastest way to insert an item $item into the specified position $position of the array $array?

787. What is meant by Synchronous Server Calls within PHP's cURL features?

788. Initial value of a variable?

789. Which will not return an array containing all normal Latin alphabet characters (A-Z)?

790. Is the following code valid?

791. Which will return the complete URL of the requested PHP page?

792. What is the output?

793. What is the output?

794. Which is not true regarding XForms?

795. Which printing construct/function accepts multiple parameters?

796. Why does the PHP function 'require_once' work slower than 'require'?

797. Which statement about PHP is incorrect?

798. What is '?' ?

799. What is a class in PHP?

800. Which is incorrect way to take a PHP variable named $name and reassign it to a JavaScript variable var name?

801. Which options may be a reason for the error - 'Call to undefined function curl_init()'?

802. What is the output? '; $array1 = array( '1'=>'a', '2'=>'b', '3'=>'c' ); $array = array_flip($array1); print_r($array); echo ''; ?>

803. What will be the output ? #FFF#333Verdana, Geneva, sans-serif'; $xml = simplexml_load_string($xmlFile); foreach($xml->css as $css) { echo (string) $css->element['id'].'{'; foreach($xml->css->element->csstag as $tag) { $temp = $tag->title.': '.$tag->value.';'; echo $temp; } echo '}'; } ?>

804. When user clicks on Logout link, the user is redirected to logout.php file and the file has following code? What is wrong with the following code?

805. Which is false about foreach loop in PHP?

806. Best way to get the index(es) of the highest value(s) in an array?

807. Output of the code?

808. Best way to automatically deploy a PHP website using git push?

809. Correct way to read the result of a variable dump into a string?

810. Which is a type of array in PHP?

811. Use of the CDATA section in XML?

812. Suppose after successful login following values are stored in session as per the given code:- session_start(); $_SESSION['logged'] = 1; $_SESSION['id'] = $id; $_SESSION['name'] = $contact_name; $_SESSION['email'] = $email; Now how will you remove the email value from the session?

813. Which is not a valid PHP debugger?

814. What is the output?

815. What is the use of memory_get_peak_usage()?

816. Which is true about the curl_setopt() API?

817. Which is incorrect about empty()?

818. Which statement is correct?

819. Correct way to profile a PHP function (without relying on 3rd party libraries and/or PHP extensions)?

820. The extent to which proximate procedures are related to one another is known as

821. What super-global should be used to access information about uploaded files via a POST request?

822. What code to use to obtain an array of response headers for a given URL, indexed by their respective names?

823. Difference between 'echo' and 'print' in PHP?

824. Which Content Type header need to be set to send an HTML mail in PHP?

825. Which is not correct with respect to Authentication using CURL?

826. Which has object oriented and procedural support as well as supports prepared statements?

827. Which magic constant of PHP returns function name?

828. By which delimmiters are PHP scripts enclosed?

829. What of the listed below are correct magic methods?

830. How to get information from a form that is submitted using the 'get' method?

831. Correct way to create an array in PHP?

832. Correct way to create a function in PHP?

833. Output will be? $sentence = 'ThiS iS a SenTEnCe'; echo ucwords($sentence);

834. What does the following statement do with respect to the errors that will get displayed? error_reporting(E_ALL & ~E_NOTICE);

835. Correct way to add 1 to the $a variable?

836. How to set a particular time zone to be used by your PHP code?

837. Function to check if a variable is an array or not?

838. What is the output? $foo = 10; $bar = '10'; if ($foo === $bar){ echo 'I ran'; }

839. Which are valid in PHP?

840. Correct ways to create an arrays in PHP higher then version 5.3 Note: there may be more then one correct answer

841. What is output? $time = strtotime ('2016-01-01'); echo date ('d-m-y H:i:s:u', $time);

842. What is output? var x = 1; { var x = 2; } alert(x);

843. What is the value of 'n1' and 'n2' after executing the following code? var str = 'Finding foo in Foo and Bar'; var n1 = str.search('Foo'); var n2 = str.search(/Foo/i);

844. Valid syntax to create a function?

845. How do you create a connection to MySQL database in PHP?

846. Which are not a valid data type?

847. What is output? printName('James'); ?>

848. Which is used to execute a prepared statement in PHP-MySQL?

849. How do you throw an exception in PHP?

850. What does ctype_digit() do?

851. Which superglobal variable holds information about header, paths and script locations?

852. Which is true with respect to Flyweight design pattern in PHP?

853. What will be the output?

854. Correct statement about setcookie() function:

855. What is the output? $foo = 400; $bar = 10; echo $foo . '+'. $bar;

856. Which method of Exception class returns formated string of trace?

857. How to get client IP address in a PHP script?

858. Correct way to add 1 to the $count variable?

859. How do you remove the X-Powered-By header?

860. mysqli::autocommit does not work with which table type?

861. Function to delete a file from the server using PHP?

862. Function to get length of a string?

863. Which function is used to read a file removing the HTML and PHP tags in it?

864. Which function lets you check that you have reached the end of file while reading the file in PHP?

865. Which cannot be used to include a file?

866. Which is false with respect to Bridge pattern in PHP?

867. Polymorphism is also known as

868. Which function of Array object returns a string representing the array and its elements?

869. Output of code? function testfoo() { return { test: 1 }; } alert(typeof testfoo());

870. Which is not a JavaScript datatype?

871. Which function of String object splits a String object into an array of strings by separating the string into substrings?

872. What will be the output of the following code? elements[] = '$text'; return $this; } public function input($type, $name, $value = ') { $this->elements[] = ''; return $this; } public function textarea($name, $value = ') { $this->elements[] = '$value'; return $this; } public function __toString() { return join('\n', $this->elements); } } $b = new FormBuilder(); echo $b->label('Name')->input('text', 'name')->textarea('message', 'My message');

873. Which function can convert a comma separated string into an array using a single call?

874. Correct way to open the file 'sample.txt' as read only?

875. Which is not related with respect to calculating the size of a file?

876. How do you start a session in PHP?

877. Correct keyword in SQL?

878. What is the output? try { $a = 10/0; echo $a; } catch (Exception $e) { echo 'You cannot divide by ZERO!!'; }

879. Output of the code? $a = 'b'; $b = 22; echo $$a + 40;

880. How many elements are in the array created by the following line of code: $array = array (true => '5', 1 => '6');

881. What is the output? session_start(); $_SESSION['logged_in'] = true; $_SESSION['name'] = 'Jane'; $_SESSION['level'] = 4; echo session_encode();

882. Which type of variables are instances of programmer-defined classes?

883. Operator to check if two values are equal and of same data type?

884. Function to get the number of arguments passed to the function?

885. Which return true keeping in view the following code? function validateDate($date, $format = 'Y-m-d H:i:s') { $d = DateTime::createFromFormat($format, $date); return $d && $d->format($format) == $date; }

886. Output using PHP 5.6.0 or higher? const ONE = 1; class foo { const TWO = ONE * 2; const THREE = ONE + self::TWO; const SENTENCE = 'The value of THREE is '.self::THREE; } echo foo::SENTENCE . '\n';

887. Which syntax is not correct to embed PHP?

888. Which is not supported in PHP?

889. PHP Errors, There are following type levels of error severity to start with?

890. PHP represents regular expressions as strings there are following different set of functions?

891. PHP currently offers following functions for searching strings using POSIX-style regular expressions?

892. Which methods perform aggregate functions on all items in an array?

893. To set PDO to raise exceptions, Database errors occur you can use the PDO::SetAttribute method to set your PDO object’s error mode as follows?

894. The following functions can be used from Exception class?

895. Which syntax is True about declaring a class definition?

896. There are following categories of functions for POSIX-style regular expressions?

897. How to approach static methods and properties, please choose correct answer? class Utilis { static public $numstudent = 0;

898. The ereg( ) function takes a pattern, a ____ , and an optional array?

899. PHP has functions to set, move, and reset this iterator and the iterator functions are?

900. PHP provides a range of ways to manipulate directories, including the following functions?

901. What will be the output of above code?

902. What will be the output of above code?

903. How to drop a database in MySQL server?

904. How to remove whitespace from the beginning and end of $string variable?

905. Correct syntax of constructor function?

906. How to connect with MySQL server in PHP?

907. Syntax of a class in PHP?

908. How to create database with PHP in MySQL server?

909. What is output?

910. Output of code? $var = 10; function fn() { $var = 20; return $var; } fn(); echo $var;

911. What is the output? function fn(&$var) { $var = $var - ($var/10 * 5); return $var; } echo fn(100);

912. Which type cast is not correct?

913. Which query grabs the Top 10 scores from database, sorting by score and timestamp?

914. Which code snippet is True for Convert JSON string to Array?

915. Which code snippet is True for Convert JSON string to Object?

916. Which are Vaild variable names in PHP?

917. Following functions change the format of a string, according to a series of special characters?

918. PHP enables to set a default error handler using the set_error_handler() function and include the following parameters will be passed to the user-defined error handler function?

919. The hash array contains the various attributes of the XML-RPC call as an associative array as follows?

920. Following functions identify the presence of a substring and its position in a larger string?

921. What will be the output of this PHP code?

922. What does array_pop($array) do?

923. Output of the program if the value of ‘cate’ remains 5? 1. 8. Correct category! 9. 12. Incorrect category! 13.

924. Which MIME type needs to be used to send attachment in mail?

925. Starting External Processes from PHP/Shelling Out there are numerous functions available in PHP to achieve this. Which one applies?

926. Capturing Logging - Use these and send output to $logger as follows?

927. Server object Methods?

928. What are the Scope of variables?

929. Advantages of PHP-GTK include the following?

930. Which function can be used to count the number of rows returned?

931. Which function can be used to determine if a file exists?

932. Type of PHP error severity?

933. How you can send Multiple email recipients all go into the address field, with commas separating?

934. When connecting to a MySQL database server, what are the main API options?

935. Short explanations of the configuration directives?

936. What's the output? function callFun( &$arg ) { $return = $arg; $arg += 1; return $return; } $a = 3; $b = callFun( $a ); $c = callFun($a); echo $a; echo ' \n '; echo $b; echo ' \n '; echo $c;

937. The PDO_MYSQL Data Source Name (DSN) is composed of the following elements?

938. Which is a callback function or object method taking the following parameters?

939. Commands for mysqlnd or libmysqlclient configuration?

940. How can you switch connection to appropriate shard and insert record of the manual partition?

941. The global transaction is either ended by calling __ or by __ in case of an error?

942. The following mysqlnd C API calls are monitored by the plugin to check for which transient errors?

943. What is the output? getMessage(), '\n'; } finally { echo 'first\n'; } try { echo myFun(1) . '\n'; } catch (Exception $e) { echo 'Caught exception: ', $e->getMessage(), '\n'; } finally { echo 'second\n'; } echo 'Hello PHP Example\n'; ?>

944. Two forms of Polymorphsim?

945. When Designing Classes with UML, a class at its core has the following components? (choose all that apply)

946. Different forms of Polymorphism?

947. There are a number of mysqlnd plugins already available. These include: (choose all that apply)

948. Main PHP API offerings for using MYSQL?

949. What is the Object oriented style of associative array?

950. What is the procedural style of associative array?

951. Which code can be used to send email to multiple recipients?

952. What will be the output?

953. Which magic method is used to implement overloading in PHP?

954. What will the output?:- moreTesting(); ?>

955. What will be the output?

956. Which are valid MySQLi Configuration Options?

957. What is the output? class Foo { private $foo; protected $bar; public $test; public function __construct() { $this->foo = 1; $this->bar = 2; $this->test = 3; } } print_r( (array) new Foo );

958. Which functions are provided in the mysqlnd plugin API? (choose all that apply)

959. What will be the output? array ('min_range'=>0, 'max_range'=>256)); if (!filter_var($var, FILTER_VALIDATE_INT, $int_options)) echo('Integer is not valid'); else echo('Integer is valid'); ?>

960. Xdebug is a PHP ...., the information which Xdebug provides is about stack and functions with full parameter for user defined functions, memory allocation and support for infinite recursions.

961. How do you access result set meta data?

962. What will be the output? echo (1234 == '1234 test' ? 'Equal' : 'Not equal' );

963. Method to tweak an object’s cloning behavior?

964. Which expression would return true?

965. Not the correct way to create an empty object in PHP?

966. Output of the code? $arr = array ('THEY', 'WE', array ('I', 'YOU'), 'YOUR'); echo (count($arr, 1));

967. Output the code? $tmp ='Dragon%%Ball%%Z%'; $arr = explode('%',trim($tmp)); echo count($arr);

968. Output? $parts = parse_url('https://example.com/test/1234?testing&val&id=1&&=23&row=4'); parse_str($parts['query'], $query); echo count($query);

969. Output of the following code? $str = '0011110000bsts11100'; echo trim($str,'010s');

970. Output of the following code? $var1='/'; $var2='/&%#!'; echo (strpos($var1, $var2)? 'Found' : 'Not found');

971. Correct option to force redirect from http to https:

972. Correct option to get a numerically indexed array containing all defined timezone identifiers in PHP?

973. What would be the output of the I and II sample codes: I) $a = array(); $b = $a; $b['foo'] = 42; echo $a['foo']; II) $a = new StdClass(); $b = $a; $b->foo = 42; echo $a->foo;

974. Which will decode a JSON variable $json to an object? $json = '{'abc':1,'def':2,'ghi':3,'jkl':4,'mno':5}';

975. Which is not a Super Global variable in PHP?

976. Which would produce an error: $currentDT=new DateTime();

977. Which is not correct?

978. By default, every database connection opened by a script is either explicitly closed by the user during run time or released ..... at the end of the script.

979. Which statement is not correct? $x = null;

980. Which would show an error in PHP?

981. Which expression will return true for below sample code? $a = true; $b = false;

982. Which keyword is used to inherit our subclass into a superclass?

983. Which statement is incorrect?

984. Which options will fail to remove the element 'y' when placed in the blank space in the below sample code? $row = array(0 => 'x', 1 => 'y', 2 => 'z', 3 => 'w'); ___________ print_r($row);

985. Placing the ... symbol before a function tells PHP to suppress any errors generated by that function.

986. Which in-built function will add a value to the end of an array?

987. If the directive session.cookie_lifetime is set to 3600, the cookie will live until .........

988. Which will detect which request type was used (GET, POST, PUT or DELETE)?

989. Which is used to send mail in PHP?

990. How to rename a file in PHP?

991. Where can protected property or method be accessed?

992. ... statement takes all the text/code/markup that exists in the specified file and copies it into the file that uses the statement. Check all that apply.

993. What will be the output of the code?

994. 'Paamayim Nekudotayim' is also called :

995. func_num_args returns ....

996. Which is not a valid PHP XML DOM method?

997. What are methods in PHP?

998. Which MySQL fetch constants imply: if the columns are returned into the array having both a numerical index and the field name as the array index?

999. Which modifiers are allowed for methods in an Interface? (choose all that apply)

1000. Which code snippet is about setting auto commit mode with SQL and through the API?

1001. Output when code is executed? $alpha = array('A' => 'AA', 'Bud' => 'BB','C' => 'D'); $food = array('tea', 'drink', 'pizza', 'juice'); printf(foods var export food true)

1002. Choose function that gives the size of a supported image file.

1003. The following code would: $reflFunc = new ReflectionFunction('func'); print $reflFunc->getFileName();

1004. Which statement is not correct?

1005. Correct way to create dynamic variable name in PHP?

1006. Which statement is not correct?

1007. Which expression will not produce ‘abcdef’ as a result provided if $var1=’abc’ and $var2=’def’?

1008. What variables are correct Superglobals ?

1009. Which method is triggered when invoking inaccessible methods in a static context?

1010. .... is a PHP super global variable which holds information about headers, paths, and script locations.

1011. .... are like variables except that once they are defined they cannot be changed or undefined.

1012. Which data types are supported in PHP? Check all the apply.

1013. Which is incorrect with respect to '!==' and '==!'?

1014. How to check if a variable is empty?

1015. Which code snippet would give two functions that would take a string and return, if it starts or ends with the specified character/string? For example: $str='|apples}'; echo startsWith($str,'|'); //Returns true echo endsWith($str,'}'); //Returns true

1016. Which will produce a value of '83' as its output??

1017. Which is not a valid directive for declare construct?

1018. Time interval in the given dateInterval object specification: new DateInterval('P0000-10-00T00:01:01');

1019. Which PHP sort method sorts by value?

1020. Several predefined variables in PHP are _____.

1021. Operator to access static properties or methods of a class?

1022. What does '===' operator do in PHP?

1023. In which order are methods called in the below PHP code? $object->method1()->method2()->method3()

1024. Which will return the client's IP address in PHP?

1025. PHP ... are used to validate and sanitize external input.

1026. Which is used to print today's date in PHP?

1027. Output of this code? php $x = 1; while ($x <= 3){ echo X}

1028. Pick the correct PHP function to rewind the internal array pointer.

1029. ___ will display everything about the PHP installation, including the modules, version, variables, etc.

1030. Which loop does not exist in PHP?

1031. .... function delays execution of the current script for a specified number of seconds.

1032. By which delimiters are PHP scripts enclosed?

1033. How can short tags be enabled in PHP?

1034. What is $_REQUEST?

1035. If you are given two dates in this form   ??: Start Date: 2007-03-24 End Date: 2009-06-26 Which code snippet finds the difference between these two in the following form: 2 years, 3 months and 2 days PHP 5.3

1036. How would you create enums in PHP?

1037. You can extend the exception class, but you cannot override any of the preceding methods because they are declared as

1038. .... is a way to store information (in variables ) to be used across multiple pages.

1039. Which is correct about NULL?

1040. A form that contains the values that a user previously entered in the form is called a ____ form.

1041. By default, the properties of a php class are ____________.

1042. In php, a(n) e-mail message is sent using the ____ function.

1043. In php, the escape character is the ____.

1044. Instead of reading a large text file into php, you can use the ____ to iterate through a text file.

1045. You can create ____ that consist of multiple indexes or keys.

1046. You use the ____ function to find the total number of elements in an array.

1047. The class ________ starts with the word class followed by the name of the class.

1048. The ____ function converts all of the letters in a string to capital letters.

1049. The ____ function is used to create a constant.

1050. To sort an associative array by key, use the ____ function.

1051. A(n) ____ operator is used in php to perform mathematical calculations.

1052. A _______ is a complete declarative sentence that summarizes your speech.

1053. A web application starts when a client sends a/an ________________ to a server.

1054. The ____ function writes a text string and creates the file if it does not exist.

1055. What does this code output?echo 76 <=> '76 trombones';

1056. Which is the most secure way to avoid storing a password in clear text in database?

1057. N a conditional statement, you want to execute the code only if both value are true. Which comparison operator should you use?

1058. All variables in PHP start with which symbol?

1059. What is a key difference between GET and POST?

1060. The ** operator is useful for sorting operations. It compares two values and returns an integer less than, equal to, or greater than 0 depending on whether the value on the ** is less than, equal to, or greater than the other.

1061. Which are valid PHP error handling keywords?

1062. Which value equates to true?

1063. What is the value of $total in this calculation?$total = 2 + 5 * 20 - 6 / 3

1064. What is the purpose of adding a lowercase "u" as a modifier after the final delimiter in a Perl-compatible regular expression?

1065. Which code snippet uses the correct syntax for creating an instance of the Pet class?

1066. Which is the correct format for adding a comment to a PHP script?

1067. PHP supports multiple types of loops. If you wanted to loop through a block of code if and as long a specified condition is true, which type of loop would you use?

1068. The ignore_user_abort( ) function sets whether a client disconnect should abort a script execution. In what scenario would you, as a web developer, use this function?

1069. How might you troubleshoot a "call to undefined function" error?

1070. Which line could you NOT use to comment out "Space: the final frontier"?

1072. Which operator would you use to find the remainder after division?

1073. Assuming the Horse class exists, which is a valid example of inheritance in PHP?

1074. Both triple === and double == can be used to ** variables in php. If you want to hear that string "33" and the number 33 are equal, you would use ** . If you want to check if an array contains a particular string value at a particular index, you would use _

1075. Your php page is unexpectedly rendering as totally blank. Which step will shed light on the problem?

1076. Both self and this are keywords that can be used to refer to member variables of an enclosing class. The difference is that $this->member should be used for ** members and self::$member should be used for ** members.

1077. You are using the following code to find a users band, but it is returning false. Which step(s) would solve the problem? isset ($_GET['fav_band'])

1078. Which code would you use to print all the elements in an array called $cupcakes?

1079. What is the cause of 'Cannot modify header information - headers already sent'?

1080. Which php control structure is used inside a loop to skip the rest of the current loops code and go back to the start of the loop for the next iteration

1081. The php not operator is !. Given the snippet, is there an out put and what is it?

1082. You want to list the modules available in your PHP installation. What command should you run?

1083. What is the value of $result in this calculation? $result = 25 % 6;

1084. What is the job of the controller as a component in MVC?

1085. Why does this code trigger an error?

1086. A PDO object called $db has been set up to use for database operations, including user authentication. All user-related properties are set. The script line public function __construct(&$db) shows a constructor that initializes all user-related properties to _ if no user has logged in. These parameters will be properly set by the login functions when a user logs in.

1087. Assuming that $first_name and $family_name are valid strings, which statement is invalid?

1088. When it comes to the value of a variable, what is the difference between NULL and empty?

1089. If you want to pass a formfield to another page when a button is clicked, you should use the ** . If you want to store information across multiple pages, you should use the ** ?

1090. You are using the following code to decide if a button is clicked, but it is never returning true. Which step is most likely to shed light on the problem? isset($_POST['submit'])

1091. Why should you follow a PSR standard?

1092. What are getters and setters?

1093. Which PHP variable name is invalid?

1094. Which command will extract the domain suffix ("com") from the string $string = "https://cat-bounce.com";?

1095. Where is PHP code executed?

1096. Which is not a valid magic constant?

1097. Imagine a web application, built following a MVC architecture, that contains a quiz and a button to score it, When the user presses the Score button, which component should handle the request?

1098. In PHP 7, What is the correct way to import multiple classes from namespace in a single declaration ?!

1099. Which is the most complete list of data types that PHP supports?

1100. What type of computer language is PHP?

1101. Which superglobal variable holds information about headers, paths, and script locations?

1102. DRY (Don't Repeat Yourself) is a principle of software development aimed at reducing repetition of software patterns. Which choice is not a way to write DRYer code with PHP?

1103. Which code will return the IP address of the client?

1104. Your site must allow uploading of large files. What might you need to do?

1105. What are some of the main types of errors in PHP?

1106. Which two functions can sanitize text and validate text formats?

1107. Why is it not recommended to make all of a class's variables public?

1108. You want to use wildcard characters when searching for records in a MySQL/MariaDB database using a PDO prepared statement. Which code should you use?

1109. Assume that $r is 255, and $g and $b are both 0. What is the correct code to output "#ff0000"?

1110. You want to find out what day Twelfth Night falls on after Christmas 2018. Which code should you use?

1111. Which loop displays all numbers from 1 to 10 inclusive?

1112. Which are types of control structures in PHP?

1113. Which function can you use in error handling to stop the execution of a script and is equivalent to exit()?

1114. The command _______ :users somefile.txt changes the group affiliation of somefile.txt to users.

1115. The metacharacter, ____, specifies an anchor at the end of the line.