3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php trait A { protected static $_a; public static function setA($a) { static::$_a = $a; } public static function getA() { return static::$_a; } } class B { use A; public function __construct() { var_dump(static::$_a); } } A::setA('AAAA'); class C { use A; public function __construct() { var_dump(static::$_a); } } class D extends B {} new B; new C; new D; A::setA('CCCCC'); new B;
Output for 5.4.0 - 7.1.0
NULL string(4) "AAAA" NULL NULL
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/6ttgL on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/6ttgL on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/6ttgL on line 3
Process exited with code 255.