3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class A { private $a; public function setA($a) { echo 'SET A: ' . $a; $this->a = $a; } } function run(&$cb) { var_export($cb); //$cb('AA'); } $obj = new A; run($obj->setA);
based on 4rEI7
Output for 5.0.0 - 7.2.0
NULL
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/ikGSL on line 4
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/ikGSL on line 4
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/ikGSL on line 4
Process exited with code 255.