15 lines
379 B
PHP
15 lines
379 B
PHP
<?php
|
|
function flatten_helper($x, $k, $obj) {
|
|
$obj->flattened[] = $x;
|
|
}
|
|
|
|
function flatten($ary) {
|
|
$obj = (object)array('flattened' => array());
|
|
array_walk_recursive($ary, 'flatten_helper', $obj);
|
|
return $obj->flattened;
|
|
}
|
|
|
|
$lst = array(array(1), 2, array(array(3, 4), 5), array(array(array())), array(array(array(6))), 7, 8, array());
|
|
var_dump(flatten($lst));
|
|
?>
|