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Dynamic Verification Code
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#FoundPHPDynamic Verification Code `The built-in dynamic verification code in the frame is convenient for users to use and prevents machine injection to the greatest extent` ```php rand($leng,$type); //show verification code GIF //$FoundPHP_vercode->gif(Verification code, width, height) $FoundPHP_vercode->gif($str); ?> ``` display effect: ![](data/files/edit/20/06/16/200616_14442946.gif)