Online PHP editor | refs for n4MLo

<?php $arrays = array( 0 => array( 0 => 'one', 1 => 'two', 2 => 'three' ), 1 => array( 0 => 'four', 1 => 'five', 2 => 'six' ), 2 => array( 0 => 'seven', 1 => 'eight', 2 => 'nine' ) ); $result = array_reduce($arrays, 'array_merge', array()); //$result = call_user_func_array('array_merge', $arrays);