src/thinkextend/image/driver/Gif.php
public function GIFReadExtensions()
    {
        GIFDecoder::GIFGetByte(1);
        for (;;) {
            GIFDecoder::GIFGetByte(1);
            if (($u = $this->GIF_buffer[0]) == 0x00) {
                break;
            }
            GIFDecoder::GIFGetByte($u);
            /*
             * 07.05.2007.
             * Implemented a new line for a new function
             * to determine the originaly delays between
             * frames.
             *
             */
            if (4 == $u) {
                $this->GIF_delays[] = ($this->GIF_buffer[1] | $this->GIF_buffer[2] << 8);
            }
        }
    }
public function GIFReadExtensions()
    {
        GIFDecoder::GIFGetByte(1);
        for (;;) {
            GIFDecoder::GIFGetByte(1);
            if (($u = $this->GIF_buffer[0]) == 0x00) {
                break;
            }
            GIFDecoder::GIFGetByte($u);
            /*
             * 07.05.2007.
             * Implemented a new line for a new function
             * to determine the originaly delays between
             * frames.
             *
             */
            if (4 == $u) {
                $this->GIF_delays[] = ($this->GIF_buffer[1] | $this->GIF_buffer[2] << 8);
            }
        }
    }
/*
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::
::    GIFReadExtension ( )
::