Which of the following functions allows you to store session data in a database?

What is wrong with the following code? setValue(10); $a_copy->setValue(20); ?>

Add five days to a PHP5 date-object like this: $date_object = date_create('1/18/2015');

Output of the following code: sayHello($c);

What prefix prevents child classes from overriding a method

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

Which option can be the key of an array?

class Example { public function abcFunction() { return Closure::fromCallable([$this, } private function privateFunction($param) { var_dump($param); } } $expFunc = (new Example)->abcFunction(); $expFunc('My New Example');?>

$E_array = array( 'test' => 'code', 64 =>46, 'multi' => array( 'dimensional' => array( 'array' => 'test' ) ) ); var_dump($E_array['test']); var_dump($E_array [64]); var_dump($E_array['multi']['dimensional']['array']); ?>

for($a=0,$b=20; $a<50; $a++) { while($b--) { if($b==8) goto end; } } echo 'a = $a'; end: echo ?>

var_dump(0 == 'x'); var_dump('2' == '02'); var_dump('20' == '2e2'); var_dump(200 == '2e4'); switch ('x') { case 0: echo '0'; break; case 'x': echo 'x'; break; } ?>