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mageekguy/gist:5822078

Created June 20, 2013 11:41
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gistfile1.php
<?php
class dotFilter extends \recursiveFilterIterator
{
public function accept()
{
return (substr($this->getInnerIterator()->current(), 0, 1) != '.');
}
}
$i = new recursiveIteratorIterator(new dotFilter(new recursiveDirectoryIterator('/path/to/an/empty/directory')));
var_dump($i->key()); // null with PHP 5.5, 0 with PHP < 5.5
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