What is a class in PHP?

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

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

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

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 '}'; } ?>

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?

print_r( 2 ) outputs:

Functions can be used to execute a shell command?

Correct usage of the chmod() function?

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

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