3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $mapped = array_map(function($a) { return $a * 2; }, (function() { yield "foo" => 1; yield "bar" => 21; })()); var_dump($mapped);
Output for 7.0.0 - 7.2.0
Warning: array_map(): Argument #2 should be an array in /in/74VZY on line 8 NULL
Output for 5.5.24 - 5.6.28
Parse error: syntax error, unexpected '(' in /in/74VZY on line 8
Process exited with code 255.
Output for 5.4.10 - 5.4.45
Parse error: syntax error, unexpected '"foo"' (T_CONSTANT_ENCAPSED_STRING) in /in/74VZY on line 6
Process exited with code 255.
Output for 5.3.20 - 5.3.29
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in /in/74VZY on line 6
Process exited with code 255.