js is_valid_filename验证文件名的函数

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'
"; 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

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