3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test_1 = array( array('product' => 'test1', 'sku' => 't1'), array('product' => 'test2', 'sku' => 't2'), ); // $test_2 = array(); $test_2 = array('teet', 'sefsefse'); var_dump($test_1 + $test_2);
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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 - 8.3.6
array(2) { [0]=> array(2) { ["product"]=> string(5) "test1" ["sku"]=> string(2) "t1" } [1]=> array(2) { ["product"]=> string(5) "test2" ["sku"]=> string(2) "t2" } }

preferences:
311.54 ms | 406 KiB | 459 Q