<?php

$logPath = __DIR__ . "/" . date("Y-m-d") . "-error.log";
error_log('Sent to my custom log', 3, $logPath);
delete_log(dirname($logPath));

function delete_log($logPath, $olderThan = 600) {
    $it = new GlobIterator($logPath . "/*.log");
    $list = array();
    foreach ( $it as $file )
        (time() - $file->getMTime()) >= $olderThan and unlink($file);
}
?>