What does php_strip_whitespace function return?

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

What Does OOM mean?

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

PHP provides the goto in the latest version.

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

Function to hash a password for storage?

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;

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

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

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