3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = [ [10, 'Some Name..'], [11, 'Some Name..'], [13, 'Some Name..'], ]; $array2 = [ [13, 'Viewed'] ]; var_export(array_merge_recursive($array1, $array2));
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 0 => array ( 0 => 10, 1 => 'Some Name..', ), 1 => array ( 0 => 11, 1 => 'Some Name..', ), 2 => array ( 0 => 13, 1 => 'Some Name..', ), 3 => array ( 0 => 13, 1 => 'Viewed', ), )
preferences:
96.47 ms | 1408 KiB | 4 Q