note 96886 added to class.recursiveiteratoriterator
| From: | kroccamen at gmail dot com | Date: | Sun, 21 Mar 2010 14:07:58 +0000 |
| Subject: | note 96886 added to class.recursiveiteratoriterator | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-167263@lists.php.net to get a copy of this message | ||
@crashrox
The default mode of RecursiveIteratorIterator is to recurse into arrays and *not* expose key =>
array to the loop; thus you can shorten your function to:
<?php
function array_flatten_recursive ($array) {
foreach (new RecursiveIteratorIterator (new RecursiveArrayIterator ($array)) as $key=>$value)
$flat[] = $value;
return $flat;
}
?>
Much nicer!
To expose key => array to the loop, use RecursiveIteratorIterator::SELF_FIRST as the second
parameter (as crashrox did).
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