<BR>
<HR>
<BR>
Output the EXIF Information -->
<?php
echo Interpret_EXIF_to_HTML(get_EXIF_JPEG($filename), $filename);
?>
<BR>
<HR>
<BR>
Output the XMP Information -->
<?php
echo Interpret_XMP_to_HTML(read_XMP_array_from_text(get_XMP_text($jpeg_header_data)));
?>
<BR>
<HR>
<BR>
Output the Photoshop IRB (including the IPTC-NAA info -->
<?php
echo Interpret_IRB_to_HTML(get_Photoshop_IRB($jpeg_header_data), $filename);
?>
<BR>
<HR>
<BR>
function interpretIFD($ifd_data)
{
// Check that the IFD array is valid
if ($ifd_data === false || $ifd_data === null) {
// the IFD array is NOT valid - exit
return null;
}
$ifd_interpreted = array();
// Cycle through each tag in the IFD
foreach ($ifd_data as $tagid => $exif_tag) {
// Ignore the non numeric elements - they aren't tags
if (!is_numeric($tagid)) {
// Skip Tags Name
} else {
if ($exif_tag['Decoded'] == true) {
// Check if the Tag has been decoded successfully
// This tag has been successfully decoded
// Check if the tag is a sub-IFD
if ($exif_tag['Type'] == "SubIFD") {
// This is a sub-IFD tag
// Add a sub-heading for the sub-IFD
$ifd_interpreted[$exif_tag['Tag Name']] = array();
// Cycle through each sub-IFD in the chain
foreach ($exif_tag['Data'] as $subIFD) {
// Interpret this sub-IFD and add the html to the secondary output
$ifd_interpreted[$exif_tag['Tag Name']][] = zmgJpeg_metadataPlugin::interpretIFD($subIFD, $filename);
}
} else {
if ($exif_tag['Type'] == "Maker Note") {
// Check if the tag is a makernote
// This is a Makernote Tag
// Interpret the Makernote and add the html to the secondary output
$ifd_interpreted['Makernote'] = Interpret_Makernote_to_HTML($exif_tag, $filename);
} else {
if ($exif_tag['Type'] == "IPTC") {
// Check if this is a IPTC/NAA Record within the EXIF IFD
// This is a IPTC/NAA Record, interpret it
$ifd_interpreted['IPTC'] = Interpret_IPTC_to_HTML($exif_tag['Data']);
} else {
if ($exif_tag['Type'] == "XMP") {
// Change: Check for embedded XMP as of version 1.11
// Check if this is a XMP Record within the EXIF IFD
// This is a XMP Record, interpret it
$ifd_interpreted['XMP'] = Interpret_XMP_to_HTML($exif_tag['Data']);
} else {
if ($exif_tag['Type'] == "IRB") {
// Change: Check for embedded IRB as of version 1.11
// Check if this is a Photoshop IRB Record within the EXIF IFD
// This is a Photoshop IRB Record, interpret it and output to the secondary html
$ifd_interpreted['IRB'] = Interpret_IRB_to_HTML($exif_tag['Data'], $filename);
} else {
if ($exif_tag['Type'] == "Numeric") {
// Check if the tag is Numeric
// Numeric Tag - Output text value as is.
$ifd_interpreted[$exif_tag['Tag Name']] = $exif_tag['Text Value'];
} else {
// Other tag - Output text as preformatted
//$ifd_interpreted[$exif_tag['Tag Name']] = trim($exif_tag['Text Value']);
}
}
}
}
}
}
}
}
}
return $ifd_interpreted;
}
function interpret_IFD($IFD_array, $filename)
{
// Create the output string with the table tag
$output_str = "<table class=\"EXIF_Table\" border=1>\n";
// Create an extra output string to receive any supplementary html
// which cannot go inside the table
$extra_IFD_str = "";
// Check that the IFD array is valid
if ($IFD_array === FALSE || $IFD_array === NULL) {
// the IFD array is NOT valid - exit
return "";
}
// Check if this is an EXIF IFD and if there is a makernote present
if ($IFD_array['Tags Name'] === "EXIF" && !array_key_exists(37500, $IFD_array)) {
// This is an EXIF IFD but NO makernote is present - Add a message to the output
$extra_IFD_str .= "<h3 class=\"EXIF_Secondary_Heading\">No Makernote Present</h3>";
}
// Cycle through each tag in the IFD
foreach ($IFD_array as $Tag_ID => $Exif_Tag) {
// Ignore the non numeric elements - they aren't tags
if (!is_numeric($Tag_ID)) {
// Skip Tags Name
} else {
if ($Exif_Tag['Decoded'] == TRUE) {
// This tag has been successfully decoded
// Table cells won't get drawn with nothing in them -
// Ensure that at least a non breaking space exists in them
if (trim($Exif_Tag['Text Value']) == "") {
$Exif_Tag['Text Value'] = " ";
}
// Check if the tag is a sub-IFD
if ($Exif_Tag['Type'] == "SubIFD") {
// This is a sub-IFD tag
// Add a sub-heading for the sub-IFD
$extra_IFD_str .= "<h3 class=\"EXIF_Secondary_Heading\">" . $Exif_Tag['Tag Name'] . " contents</h3>";
// Cycle through each sub-IFD in the chain
foreach ($Exif_Tag['Data'] as $subIFD) {
// Interpret this sub-IFD and add the html to the secondary output
$extra_IFD_str .= interpret_IFD($subIFD, $filename);
}
} else {
if ($Exif_Tag['Type'] == "Maker Note") {
// This is a Makernote Tag
// Add a sub-heading for the Makernote
$extra_IFD_str .= "<h3 class=\"EXIF_Secondary_Heading\">Maker Note Contents</h3>";
// Interpret the Makernote and add the html to the secondary output
$extra_IFD_str .= Interpret_Makernote_to_HTML($Exif_Tag, $filename);
} else {
if ($Exif_Tag['Type'] == "IPTC") {
// This is a IPTC/NAA Record, interpret it and output to the secondary html
$extra_IFD_str .= "<h3 class=\"EXIF_Secondary_Heading\">Contains IPTC/NAA Embedded in EXIF</h3>";
$extra_IFD_str .= Interpret_IPTC_to_HTML($Exif_Tag['Data']);
} else {
if ($Exif_Tag['Type'] == "XMP") {
// This is a XMP Record, interpret it and output to the secondary html
$extra_IFD_str .= "<h3 class=\"EXIF_Secondary_Heading\">Contains XMP Embedded in EXIF</h3>";
$extra_IFD_str .= Interpret_XMP_to_HTML($Exif_Tag['Data']);
} else {
if ($Exif_Tag['Type'] == "IRB") {
// This is a Photoshop IRB Record, interpret it and output to the secondary html
$extra_IFD_str .= "<h3 class=\"EXIF_Secondary_Heading\">Contains Photoshop IRB Embedded in EXIF</h3>";
$extra_IFD_str .= Interpret_IRB_to_HTML($Exif_Tag['Data'], $filename);
} else {
if ($Exif_Tag['Type'] == "Numeric") {
// Numeric Tag - Output text value as is.
$output_str .= "<tr class=\"EXIF_Table_Row\"><td class=\"EXIF_Caption_Cell\">" . $Exif_Tag['Tag Name'] . "</td><td class=\"EXIF_Value_Cell\">" . $Exif_Tag['Text Value'] . "</td></tr>\n";
} else {
// Other tag - Output text as preformatted
$output_str .= "<tr class=\"EXIF_Table_Row\"><td class=\"EXIF_Caption_Cell\">" . $Exif_Tag['Tag Name'] . "</td><td class=\"EXIF_Value_Cell\"><pre>" . trim($Exif_Tag['Text Value']) . "</pre></td></tr>\n";
}
}
}
}
}
}
} else {
// Tag has NOT been decoded successfully
// Hence it is either an unknown tag, or one which
// requires processing at the time of html construction
// Table cells won't get drawn with nothing in them -
// Ensure that at least a non breaking space exists in them
if (trim($Exif_Tag['Text Value']) == "") {
$Exif_Tag['Text Value'] = " ";
}
// Check if this tag is the first IFD Thumbnail
if ($IFD_array['Tags Name'] == "TIFF" && $Tag_ID == 513) {
// This is the first IFD thumbnail - Add html to the output
// Change: as of version 1.11 - Changed to make thumbnail link portable across directories
// Build the path of the thumbnail script and its filename parameter to put in a url
$link_str = get_relative_path(dirname(__FILE__) . "/get_exif_thumb.php", getcwd());
$link_str .= "?filename=";
$link_str .= get_relative_path($filename, dirname(__FILE__));
// Add thumbnail link to html
$output_str .= "<tr class=\"EXIF_Table_Row\"><td class=\"EXIF_Caption_Cell\">" . $Exif_Tag['Tag Name'] . "</td><td class=\"EXIF_Value_Cell\"><a class=\"EXIF_First_IFD_Thumb_Link\" href=\"{$link_str}\"><img class=\"EXIF_First_IFD_Thumb\" src=\"{$link_str}\"></a></td></tr>\n";
} else {
if ($Exif_Tag['Type'] == "Maker Note") {
// This is the makernote, but has not been decoded
// Add a message to the secondary output
$extra_IFD_str .= "<h3 class=\"EXIF_Secondary_Heading\">Makernote Coding Unknown</h3>\n";
} else {
// This is an Unknown Tag
// Check if the user wants to hide unknown tags
if ($GLOBALS['HIDE_UNKNOWN_TAGS'] === FALSE) {
// User wants to display unknown tags
// Check if the Data is an ascii string
if ($Exif_Tag['Data Type'] == 2) {
// This is a Ascii String field - add it preformatted to the output
$output_str .= "<tr class=\"EXIF_Table_Row\"><td class=\"EXIF_Caption_Cell\">" . $Exif_Tag['Tag Name'] . "</td><td class=\"EXIF_Value_Cell\"><pre>" . trim($Exif_Tag['Text Value']) . "</pre></td></tr>\n";
} else {
// Not an ASCII string - add it as is to the output
$output_str .= "<tr class=\"EXIF_Table_Row\"><td class=\"EXIF_Caption_Cell\">" . $Exif_Tag['Tag Name'] . "</td><td class=\"EXIF_Value_Cell\">" . trim($Exif_Tag['Text Value']) . "</td></tr>\n";
}
}
}
}
}
}
}
// Close the table in the output
$output_str .= "</table>\n";
// Add the secondary output at the end of the main output
$output_str .= "{$extra_IFD_str}\n";
// Return the resulting html
return $output_str;
}