3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo 'Hello World'; $sql = [1 => ["id" => 1, "num" => "123"], 2 => ["id" => 2, "num" => "456"]]; $mongo = ["id" => 1, "num" => "123"]; $a = array_diff($mongo, $sql); var_dump($a);
based on papS3
Output for hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Hello World Notice: Array to string conversion in /in/Pd5AQ on line 6 Notice: Array to string conversion in /in/Pd5AQ on line 6 array(2) { ["id"]=> int(1) ["num"]=> string(3) "123" }
Output for 5.4.0 - 5.6.28
Hello World Notice: Array to string conversion in /in/Pd5AQ on line 6 Notice: Array to string conversion in /in/Pd5AQ on line 6 Notice: Array to string conversion in /in/Pd5AQ on line 6 Notice: Array to string conversion in /in/Pd5AQ on line 6 array(2) { ["id"]=> int(1) ["num"]=> string(3) "123" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Pd5AQ on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/Pd5AQ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Pd5AQ on line 3
Process exited with code 255.