Online PHP editor | refs for bTsZK

<?php function f(){} f(print "Jack\n"); $a=null; f(print ++$a . "\n"); print strlen(4) . "\n"; class C { function C(){} } new C(print ++$a); $a = 10; echo "\nCount: ",count($a),"\n"; $n=NULL; $nn = $n; --$nn; $n++; var_dump($nn,$n); $s = "mehea"; $s++; var_dump($s); $s--; var_dump($s); class A { } class B extends A { public function __construct() { // make sure parent constructor gets called if someone adds one parent::__construct(); } } new B();