3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ [ "id" => 1, "controller" => "users", "action" => "index" ], [ "id" => 1, "controllers" => "users", "action" => "" ], [ "id" => 1, "controller" => "users", "action" => "login" ] ]; $b = [ [ "id" => 1, "controller" => "users", "action" => "index" ], [ "id" => 1, "controllers" => "users", "action" => "" ], [ "id" => 1, "controller" => "users", "action" => "logout" ] ]; $final = array(); foreach($a AS $item) { $final[$item['controller'] . $item['action']] = $item; } foreach($b AS $item) { unset($final[$item['controller'] . $item['action']]); } $final = array_values($final); print_r($final);
Output for 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
Warning: Undefined array key "controller" in /in/JtUkN on line 42 Warning: Undefined array key "controller" in /in/JtUkN on line 46 Array ( [0] => Array ( [id] => 1 [controller] => users [action] => login ) )
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined index: controller in /in/JtUkN on line 42 Notice: Undefined index: controller in /in/JtUkN on line 46 Array ( [0] => Array ( [id] => 1 [controller] => users [action] => login ) )
Output for 7.3.32 - 7.3.33
Array ( [0] => Array ( [id] => 1 [controller] => users [action] => login ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/JtUkN on line 3
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 '[' in /in/JtUkN on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/JtUkN on line 3
Process exited with code 255.
preferences:
164.46 ms | 413 KiB | 5 Q