- var_dump: documentation ( source)
- array_merge: documentation ( source)
<?php
$test_1 = array(
array('product' => 'test1', 'sku' => 't1'),
array('product' => 'test2', 'sku' => 't2'),
);
// $test_2 = array();
$test_2 = array('teet', 'sefsefse');
// $test_2 = array(array('product' => 'test3', 'sku' => 't3'));
var_dump(array_merge($test_1, $test_2));