You have multi choices to checking extensions and Mime types.įifth: Check file size and make sure the limit of php.ini to upload files is what you want, You can start from Īnd last but not least : Check the file content if have a bad codes or something like this function. Or you can use regular expression for check File extensions as in example
Third : make sure that the file name not bigger than 250 characters.įourth: Check File extensions and Mime Types that you want to allow in your project. Second : make sure the file name in English characters, numbers and (_-.) symbols, For more protection. Security tips you must know before use this function :įirst : make sure that the file is not empty.
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