3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { public static function foo($input) { array_walk($input, array(__CLASS__, 'bar')); return $input; } protected static function bar(&$value) { ++$value; } } $a = range(10, 100, 10); $b = $a; echo join(', ', $a), "\n"; echo join(', ', A::foo($a)), "\n"; var_dump($b === $a);
Output for 5.0.0 - 7.1.0
10, 20, 30, 40, 50, 60, 70, 80, 90, 100 11, 21, 31, 41, 51, 61, 71, 81, 91, 101 bool(true)
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/e9hNX on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/e9hNX on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/e9hNX on line 3
Process exited with code 255.