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

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

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

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;

Function to hash a password for storage?

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

PHP provides the goto in the latest version.

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

What Does OOM mean?

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

What does php_strip_whitespace function return?