3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function array_replace_key($search, $replace, array $target) { $return = array(); foreach ($target as $key => $val) { if ($search === $key) { $return[$replace] = $val; } else { $return[$key] = $val; } } return $return; } $a = array('a' => 'franz', 'b' => 'cheryl', 'c' => 'samantha'); var_dump(array_replace_key('a', 'a-xxx', $a));
Output for 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(3) { ["a-xxx"]=> string(5) "franz" ["b"]=> string(6) "cheryl" ["c"]=> string(8) "samantha" }
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/vK4H0 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_ARRAY, expecting '&' or T_VARIABLE or T_CONST in /in/vK4H0 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_ARRAY, expecting '&' or T_VARIABLE or T_CONST in /in/vK4H0 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'&'' or `T_VARIABLE' or `T_CONST' in /in/vK4H0 on line 3
Process exited with code 255.