3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array( 'group 1' => array( 'test 1', 'test 2', 'test 3' ) ); $array2 = array( 'group 1' => array( 'test 1', 'test 4' ), 'group 2' => array( 'test2 1', 'test2 2', 'test 4' ) ); $merged = array_replace_recursive($array1, $array2); var_dump($merged);

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