note 114067 deleted from control-structures.do.while by philip
| From: | philip@php.net | Date: | Wed, 26 Feb 2014 00:08:52 +0000 |
| Subject: | note 114067 deleted from control-structures.do.while by philip | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-198716@lists.php.net to get a copy of this message | ||
Note Submitter: sam dot braslavskiy at gmail dot com
----
If you are trying to randomly generate an unique string (ID, file name or whatever),
'do...while' may be a really short solution for checking its uniqueness:
<?php
do{
$random_filename = get_random_str(6).'.txt';
}
while(file_exists($random_filename));
?>