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I use this function in "MySQL Backup Pro" to keep in my backup folder copies of only the last 4 or 5 days. This function will keep the latest copies and delete all old ones. So use it at your own risk.
| <?php
/**
* keep() delete a backup file based on its name
*
* @param string $path path without trailing slash at end
* @param integer $days number of days to keep backups
* @return
**/
function keep($path = "", $days = 4){
if (is_dir($path)) {
$d = dir($path);
while (false !== ($entry = $d->read())) {
if ($entry!="." and $entry!=".." and (ereg(".bz2$",$entry) or ereg(".gz$",$entry) or ereg(".sql$",$entry))) {
if ((filemtime($path."/".$entry)) < (strtotime('-'.$days.' days'))) {
unlink($path."/".$entry);
}
}
}
}
}
?> | |
Usage Example
| <?php
keep("backup",5);
?> | |
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