src/thinkextend/image/driver/Gif.php
public function GIFPutByte($bytes)
    {
        for ($i = 0; $i < count($bytes); $i++) {
            $this->GIF_string .= chr($bytes[$i]);
        }
    }
public function GIFPutByte($bytes)
    {
        for ($i = 0; $i < count($bytes); $i++) {
            $this->GIF_string .= chr($bytes[$i]);
        }
    }
/*
:::::::::::::::::::::::::::::::::::::::::::::::::::
::
::    GIFPutByte ( $bytes )
::