php - Micro timestamp and/or random string to file name -


so part of upload file setting name of file struggling append time stamp onto file name or set random string or both?

here setting file name , type:

        if (             move_uploaded_file($_files['upload']['tmp_name'], "../uploads/{$_files['upload']['name']}")){             print_r($_files);             echo '<p><em>the file has been uploaded</em></p>';         } // end of move.... if.

adding timestamp idea. do:

$date = new datetime(); if (move_uploaded_file($_files['upload']['tmp_name'],          "../uploads/" . $date->gettimestamp() . "_{$_files['upload']['name']}")){      print_r($_files);      echo '<p><em>the file has been uploaded</em></p>'; }

note have added underscore _ after timestamp becomes easier remove timestamp if need initial filename again:

substr($filename, strpos($filename, '_'), strlen($filename));

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