3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ ['id' => 1, 'key' => 'foo', 'data' => 'a'], ['id' => 2, 'key' => 'bar', 'data' => 'b'], ['id' => 3, 'key' => 'barf', 'data' => 'c'], ]; var_export( array_column($array, null, 'id') );
Output for 7.4.0 - 7.4.33, 8.0.1 - 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
array ( 1 => array ( 'id' => 1, 'key' => 'foo', 'data' => 'a', ), 2 => array ( 'id' => 2, 'key' => 'bar', 'data' => 'b', ), 3 => array ( 'id' => 3, 'key' => 'barf', 'data' => 'c', ), )
preferences:
77.61 ms | 407 KiB | 5 Q