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                <title>The PHP JPEG Metadata Toolkit - Documentation</title>
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                        <H1 align="center" style="padding:15">The PHP JPEG Metadata Toolkit - Documentation</H1>
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                <h2>Changes List</h2>
                <table border cellpadding=8 cellspacing=0>
                        <tr>
                                <th>Versions</th>
                                <th>File</th>
                                <th>Changes</th>
                        </tr>
                        <tr>
                                <td rowspan=1 >1.00&nbsp;-&gt;&nbsp;1.01</td>
                                <td>IPTC.php</td>
                                <td>Changed <i>get_IPTC</i> to return partial data when error occurs</td>
                        </tr>
                        <tr>
                                <td rowspan=1 >1.00 -&gt; 1.02</td>
                                <td>Photoshop_IRB.php</td>
                                <td>Changed <i>get_Photoshop_IRB</i> to work with corrupted resource names which Photoshop can still read</td>
                        </tr>
                        <tr>
                                <td>1.02 -&gt; 1.03</td>
                                <td>Photoshop_IRB.php</td>
                                <td>Fixed <i>put_Photoshop_IRB</i> to output "Photoshop 3.0\x00" string with every APP13 segment, not just the first one</td>
                        </tr>
                        <tr>
                                <td>1.03 -&gt; 1.04</td>
                                <td>XMP.php</td>
                                <td>Changed <i>put_IPTC</i> to fix a bug preventing the correct insertion of a XMP block where none existed previously</td>
                        </tr>


                        <tr>
                                <td rowspan=12 >1.04 -&gt; 1.10</td>
                                <td>XMP.php</td>
                                <td>Changed <i>put_XMP_text</i> to fix some array indexes which were missing qoutes</td>
                        </tr>
                        <tr>
                                <td>IPTC.php</td>
                                <td>
                                        Changed <i>put_IPTC</i> to check if the incoming IPTC block is valid<br />
                                        Changed Interpret_IPTC_to_HTML, adding nl2br functions for each text field,
                                        so that multiline text displays properly
                                </td>
                        </tr>
                        <tr>
                                <td>XML.php</td>
                                <td>
                                        Changed <i>read_xml_array_from_text</i> to fix problem that caused the whitespace (especially newlines) to be
                                        destroyed when converting xml text to an xml array
                                </td>
                        </tr>
                        <tr>
                                <td>Photoshop_IRB.php</td>
                                <td>
                                        Changed <i>get_Photoshop_IRB</i> to fix processing of embedded resource names,
                                        after discovering that Photoshop does not process
                                        resource names according to the standard :<br>
                                        <a href="http://www.ozhiker.com/electronics/pjmt/jpeg_info/standards.html#IRB" >"Adobe Photoshop 6.0 File Formats Specification, Version 6.0, Release 2, November 2000"</a><br>
                                        This is an update to the change 1.00 -> 1.02, which was not fully correct<br><br>
                                        Changed <i>put_Photoshop_IRB</i> to fix the writing of embedded resource name,
                                        to avoid creating blank resources, and to fix a problem
                                        causing the IRB block to be incorrectly positioned if no APP segments existed.<br><br>
                                        Changed <i>get_Photoshop_IPTC</i> to initialise the output array correctly.
                                </td>
                        </tr>
                        <tr>
                                <td>Unicode.php</td>
                                <td>
                                        Added the following functions: <br>
                                        <i>smart_HTML_Entities</i><br>
                                        <i>smart_htmlspecialchars</i><br>
                                        <i>HTML_UTF16_UnEscape</i><br>
                                        <i>HTML_UTF8_UnEscape</i><br><br>
                                        Changed <i>HTML_UTF8_Escape</i> and <i>HTML_UTF16_Escape</i> to
                                        use smart_htmlspecialchars, so that characters which
                                        were already escaped would remain intact
                                </td>
                        </tr>
                        <tr>
                                <td>JPEG.php</td>
                                <td>
                                        changed <i>put_jpeg_header_data</i> to check if the data being written exists
                                </td>
                        </tr>
                        <tr>
                                <td>Example.php</td>
                                <td>
                                        Changed name of GET parameter from &quot;filename&quot; to &quot;jpeg_fname&quot;
                                        to stop script-kiddies using the google command &quot;allinurl:*.php?filename=*&quot;
                                        to find servers to attack
                                </td>
                        </tr>
                        <tr>
                                <td>EXIF.php</td>
                                <td>
                                        added function get_EXIF_TIFF to allow extracting EXIF from a TIFF file
                                </td>
                        </tr>

                        <tr>
                                <td>Photoshop_File_Info.php</td>
                                <td>
                                        New File - see documentation for more information
                                </td>
                        </tr>
                        <tr>
                                <td>Edit_File_Info.php</td>
                                <td>
                                        New File - see documentation for more information
                                </td>
                        </tr>
                        <tr>
                                <td>Edit_File_Info_Example.php</td>
                                <td>
                                        New File - see documentation for more information
                                </td>
                        </tr>
                        <tr>
                                <td>Write_File_Info.php</td>
                                <td>
                                        New File - see documentation for more information
                                </td>
                        </tr>


                        <tr>
                                <td rowspan=16 >1.10 -&gt; 1.11</td>
                                <td>EXIF.php</td>
                                <td>
                                        Added functionality to allow decoding of XMP and Photoshop IRB information embedded within the EXIF data<br>
                                        Added checks for http and ftp wrappers, as these are not supported<br>
                                        Changed <i>interpret_IFD</i> to allow thumbnail links to work when toolkit is portable across directories
                                </td>
                        </tr>
                        <tr>
                                <td>Makernotes/casio.php</td>
                                <td>Changed <i>get_Casio_Makernote_Html</i> to allow thumbnail links to work when toolkit is portable across directories</td>
                        </tr>

                        <tr>
                                <td>Makernotes/olympus.php</td>
                                <td>Changed <i>get_Olympus_Makernote_Html</i> to allow thumbnail links to work when toolkit is portable across directories</td>
                        </tr>

                        <tr>
                                <td>JFIF.php</td>
                                <td>Changed <i>Interpret_JFXX_to_HTML</i> to allow thumbnail links to work when toolkit is portable across directories</td>
                        </tr>
                        <tr>
                                <td>Photoshop_IRB.php</td>
                                <td>
                                        Moved code out of <i>get_Photoshop_IRB</i> into new function <i>unpack_Photoshop_IRB_Data</i> to allow reading of IRB blocks embedded within EXIF (for TIFF Files)<br>
                                        Moved code out of <i>put_Photoshop_IRB</i> into new function <i>pack_Photoshop_IRB_Data</i> to allow writing of IRB blocks embedded within EXIF (for TIFF Files)<br>
                                        Enabled the usage of $GLOBALS['HIDE_UNKNOWN_TAGS'] to hide unknown resources<br>
                                        Changed <i>Interpret_IRB_to_HTML</i> to allow thumbnail links to work when toolkit is portable across directories
                                </td>
                        </tr>
                        <tr>
                                <td>EXIF_Makernote.php</td>
                                <td>
                                        Changed makernotes directory definition to allow the toolkit to be portable across directories
                                </td>
                        </tr>
                        <tr>
                                <td>EXIF_Tags.php</td>
                                <td>
                                        Added TIFF compression types ZIP, LZW and JPEG<br>
                                        Added embedded XMP tag<br>
                                        Added embedded Photoshop IRB tag<br>
                                        Fixed GPS tags after testing
                                </td>
                        </tr>

                        <tr>
                                <td>Example.php</td>
                                <td>
                                        Changed displayed toolkit version numbers to reference Toolkit_Version.php
                                        Changed this example file to be easily relocatable                                        
                                </td>
                        </tr>
                        <tr>
                                <td>TIFFExample.php</td>
                                <td>
                                        Changed displayed toolkit version numbers to reference Toolkit_Version.php
                                </td>
                        </tr>
                        <tr>
                                <td>Write_File_Info.php</td>
                                <td>
                                        Changed displayed toolkit version numbers to reference Toolkit_Version.php<br>
                                        Changed error reporting to no errors<br>
                                        Removed limitation on file being in current directory
                                </td>
                        </tr>
                        <tr>
                                <td>Edit_File_Info_Example.php</td>
                                <td>
                                        Changed displayed toolkit version numbers to reference Toolkit_Version.php
                                </td>
                        </tr>
                        <tr>
                                <td>Photoshop_File_Info.php</td>
                                <td>
                                        Changed displayed toolkit version numbers to reference Toolkit_Version.php
                                </td>
                        </tr>
                        <tr>
                                <td>Edit_File_Info.php</td>
                                <td>
                                        Changed displayed toolkit version numbers to reference Toolkit_Version.php
                                </td>
                        </tr>
                        <tr>
                                <td>get_ps_thumb.php</td>
                                <td>
                                        Added support for Photoshop IRB thumbnails which are embedded within EXIF information (used in TIFF files)
                                </td>
                        </tr>
                        <tr>
                                <td>Toolkit_Version.php</td>
                                <td>
                                        New File - Added file to provide a single storage place for current version number
                                </td>
                        </tr>
                        <tr>
                                <td>pjmt_utils.php</td>
                                <td>
                                        New File - Added file to provide utility functions for the toolkit
                                </td>
                        </tr>

                </table>

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