";
if (preg_match("/[".preg_quote("^|?*<\":>","/")."\a\b\c\e\x\v\s]/",$part) || preg_match("/^(PRN|CON|AUX|CLOCK$|NUL|COMd|LPTd)$/im",str_replace(".","\n",$part))) {
return false;
}
}
return true;
}
$bad = array_merge(array_map('chr',range(0,31)),array("<",">",":",'"',"/","\\","|","?","*"));
$result = str_replace($bad,"",$filename);
windows 系统文件命名规则限制
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