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; } } A::setA('AAAA'); class B { use A; public function __construct() { var_dump(static::$_a); } } //A::setA('AAAA'); new B(); B::setA('BBBB'); new B(); echo A::getA(); echo B::getA();
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
string(4) "AAAA" string(4) "BBBB" AAAABBBB
Output for hhvm-3.12.0
NULL string(4) "BBBB" AAAABBBB
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/bAOYX 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/bAOYX on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/bAOYX on line 3
Process exited with code 255.