3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { public function clean(array &$c) { foreach ($c as $key => &$val) { $val .= 'shiznit-'; } } } $arr = array('franz', 'cheryl'); $a = new A; $a->clean($arr); var_dump($arr);
Output for 5.2.1 - 7.1.0
array(2) { [0]=> string(13) "franzshiznit-" [1]=> string(14) "cherylshiznit-" }
Output for 5.1.0 - 5.2.0
array(2) { [0]=> &string(13) "franzshiznit-" [1]=> string(14) "cherylshiznit-" }
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/aAo2Y on line 4
Process exited with code 255.
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/aAo2Y 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/aAo2Y 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/aAo2Y on line 4
Process exited with code 255.