3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class a { public function f(&$ref1, &$ref2) { $ref1 = 'foo'; $ref2 = 'bar'; } } class b { public function __call($methodName, $arguments) { $a = new a(); call_user_func_array(array( $a, $methodName //->$methodName( $arguments[0][0], $arguments[0][1]); ), $arguments[0]); } } $ref1 = 'X'; $ref2 = 'Y'; $b = new b(); $b->f( array( &$ref1, &$ref2)); var_dump($ref1, $ref2);
Output for 5.0.0 - 7.1.0
string(3) "foo" string(3) "bar"
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/5BFjM 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/5BFjM 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/5BFjM on line 4
Process exited with code 255.