函数代码
function is_valid_filename($name)
{
$parts = preg_split("/(\/|".preg_quote("\\").")/", $name);
if (preg_match("/[a-z]:/i", $parts[0])) {
unset($parts[0]);
}
foreach ($parts as $part)
{
print "part = '$part'<br>";
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
https://msdn.microsoft.com/en-us/library/aa365247
