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function isMd5 validate fake hash


Prestachopo
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There is a error syntax in class Validate, in function isMd5 you can see this:

   static public function isMd5($md5)
   {
       return preg_match('/^[a-z0-9]{32}$/ui', $md5);
   }



But the md5 hash never contain a-z chars, only a-f, if you try to validate this fake hash:

z41z8zz98z00z204z9800998zzz8427z

The function return true, there is an error, the right regexp is '/^[a-f0-9]{32}$/ui'

Best Regards.

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