3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( "a" => [1, 2, 3], "b" => [], ); var_dump($array, array_reduce(function($carry, $item) { return $carry + count($item); }, 0)
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
Parse error: syntax error, unexpected end of file, expecting ',' or ')' in /in/Aab5i on line 10
Process exited with code 255.

preferences:
165.8 ms | 1395 KiB | 36 Q