3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ ['a' => 1, 'b' => 2, 'c' => 3], ['a' => 3, 'b' => 2, 'c' => 1], ]; $b = [ ['d' => 4, 'e' => 5, 'f' => 6], ['d' => 6, 'e' => 5, 'f' => 4], ]; var_export( array_map( 'array_values', array_merge($a, $b) ) );
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
array ( 0 => array ( 0 => 1, 1 => 2, 2 => 3, ), 1 => array ( 0 => 3, 1 => 2, 2 => 1, ), 2 => array ( 0 => 4, 1 => 5, 2 => 6, ), 3 => array ( 0 => 6, 1 => 5, 2 => 4, ), )
preferences:
156.72 ms | 407 KiB | 5 Q