src/PelTiff.php
public function getBytes($order = PelConvert::LITTLE_ENDIAN)
    {
        if ($order == PelConvert::LITTLE_ENDIAN) {
            $bytes = 'II';
        } else {
            $bytes = 'MM';
        }

        /* TIFF magic number --- fixed value. */
        $bytes .= PelConvert::shortToBytes(self::TIFF_HEADER, $order);

        if ($this->ifd !== null) {
            /*
             * IFD 0 offset. We will always start IDF 0 at an offset of 8
             * bytes (2 bytes for byte order, another 2 bytes for the TIFF
             * header, and 4 bytes for the IFD 0 offset make 8 bytes
             * together).
             */
            $bytes .= PelConvert::longToBytes(8, $order);

            /*
             * The argument specifies the offset of this IFD. The IFD will
             * use this to calculate offsets from the entries to their data,
             * all those offsets are absolute offsets counted from the
             * beginning of the data.
             */
            $bytes .= $this->ifd->getBytes(8, $order);
        } else {
            $bytes .= PelConvert::longToBytes(0, $order);
        }

        return $bytes;
    }
public function getBytes($order = PelConvert::LITTLE_ENDIAN)
    {
        if ($order == PelConvert::LITTLE_ENDIAN) {
            $bytes = 'II';
        } else {
            $bytes = 'MM';
        }

        /* TIFF magic number --- fixed value. */
        $bytes .= PelConvert::shortToBytes(self::TIFF_HEADER, $order);

        if ($this->ifd !== null) {
            /*
             * IFD 0 offset. We will always start IDF 0 at an offset of 8
             * bytes (2 bytes for byte order, another 2 bytes for the TIFF
             * header, and 4 bytes for the IFD 0 offset make 8 bytes
             * together).
             */
            $bytes .= PelConvert::longToBytes(8, $order);

            /*
             * The argument specifies the offset of this IFD. The IFD will
             * use this to calculate offsets from the entries to their data,
             * all those offsets are absolute offsets counted from the
             * beginning of the data.
             */
            $bytes .= $this->ifd->getBytes(8, $order);
        } else {
            $bytes .= PelConvert::longToBytes(0, $order);
        }

        return $bytes;
    }
public function getBytes ( $ order = PelConvert :: LITTLE_ENDIAN ) { if ( $ order == PelConvert :: LITTLE_ENDIAN ) { $ bytes = 'II' ; } else { $ bytes = 'MM' ; } /* TIFF magic number --- fixed value. */ $ bytes .= PelConvert :: shortToBytes ( self :: TIFF_HEADER , $ order ) ; if ( $ this -> ifd !== null ) { /*
             * IFD 0 offset. We will always start IDF 0 at an offset of 8
             * bytes (2 bytes for byte order, another 2 bytes for the TIFF
             * header, and 4 bytes for the IFD 0 offset make 8 bytes
             * together).
             */ $ bytes .= PelConvert :: longToBytes ( 8 , $ order ) ; /*
             * The argument specifies the offset of this IFD. The IFD will
             * use this to calculate offsets from the entries to their data,
             * all those offsets are absolute offsets counted from the
             * beginning of the data.
             */ $ bytes .= $ this -> ifd -> getBytes ( 8 , $ order ) ; } else { $ bytes .= PelConvert :: longToBytes ( 0 , $ order ) ; } return $ bytes ; }
Turn this object into bytes.

TIFF images can have {@link PelConvert::LITTLE_ENDIAN
little-endian} or {@link PelConvert::BIG_ENDIAN big-endian} byte
order, and so this method takes an argument specifying that.

@param boolean $order
the desired byte order of the TIFF data.
This should be one of {@link PelConvert::LITTLE_ENDIAN} or {@link
PelConvert::BIG_ENDIAN}.

@return string the bytes representing this object.
Turn this object into bytes .