3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo[] = array('id' => 1, 'title' => 'one'); $foo[] = array('id' => 2, 'title' => 'two'); $bar[] = array('id' => 2, 'title' => 'dos'); print_r($foo); print_r($bar); array_udiff($foo, $bar, function($a, $b) { print $a['title'] . " " . $b['title'] . "\n"; return 0;});
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Array ( [0] => Array ( [id] => 1 [title] => one ) [1] => Array ( [id] => 2 [title] => two ) ) Array ( [0] => Array ( [id] => 2 [title] => dos ) ) one two one dos one two
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Array ( [0] => Array ( [id] => 1 [title] => one ) [1] => Array ( [id] => 2 [title] => two ) ) Array ( [0] => Array ( [id] => 2 [title] => dos ) ) two one two dos two one
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/uLLXj on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/uLLXj on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/uLLXj on line 9
Process exited with code 255.

preferences:
229.19 ms | 401 KiB | 310 Q