3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ ['moo' => 'abc', 'foo' => 1], ['moo' => 'gyu', 'foo' => 2] ]; $newArr = array_reduce($arr, function($carry, $item){ if ($item['moo'] == 'gyu') $carry = $item; return $carry; }); print_r($newArr);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
Array ( [moo] => gyu [foo] => 2 )
Output for 5.3.29
Parse error: syntax error, unexpected '[' in /in/QUVRm on line 3
Process exited with code 255.

preferences:
113.83 ms | 406 KiB | 5 Q