3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(array( 'tree_node_id' => 'id', 'node_id' => 'id', 'lft', 'rgt', 'external_user' => 'users_id', 'internal_user' => 'users_intern_id', 'name', 'type' => 'relname', ));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
array(8) { ["tree_node_id"]=> string(2) "id" ["node_id"]=> string(2) "id" [0]=> string(3) "lft" [1]=> string(3) "rgt" ["external_user"]=> string(8) "users_id" ["internal_user"]=> string(15) "users_intern_id" [2]=> string(4) "name" ["type"]=> string(7) "relname" }

preferences:
228.95 ms | 406 KiB | 315 Q