Online PHP editor | refs for OaNqe

<?php header('Content-type: text/plain'); $arr = [ ["thread", 4211], ["thread", 4210], ["thread", 4212], ["thread", 4207], ["thread", 4097], ["thread", 3993], ]; var_dump(array_column($arr, 1)); $arr = [ ['x' => "thread", 'y' => 4211], ['x' => "thread", 'y' => 4210], ['x' => "thread", 'y' => 4212], ['x' => "thread", 'y' => 4207], ['x' => "thread", 'y' => 4097], ['x' => "thread", 'y' => 3993], ]; var_dump(array_column($arr, 'y'));