Online PHP editor | output for SUCTa

<?php $array1 = array('a','b','c','d','x','u','xx'); $array2 = array('e','f','g','h','s','d','t'); $array3 = array('i','j','k','l'); $data = [$array1, $array2, $array3]; $newArray = array(); $mi = new MultipleIterator(MultipleIterator::MIT_NEED_ANY); $mi->attachIterator(new ArrayIterator($data[0])); $mi->attachIterator(new ArrayIterator($data[1])); $mi->attachIterator(new ArrayIterator($data[2])); foreach($mi as $details) { $newArray = array_merge( $newArray, array_filter($details) ); } var_dump($newArray);