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Perl

Extract XMP MetaData as XML

See more XMP Examples

Demonstrates how to open a JPG or TIF image file and extract the XMP metadata as XML.

Chilkat Perl Downloads

Perl
use chilkat();

$success = 0;

# This requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

$xmp = chilkat::CkXmp->new();

# Load a JPG or TIF image file.
# Sample JPG's with XMP metadata may be found at:
# https://www.chilkatsoft.com/testData/xmp/sample1.jpg
# https://www.chilkatsoft.com/testData/xmp/sample2.jpg
# https://www.chilkatsoft.com/testData/xmp/sample3.jpg
$success = $xmp->LoadAppFile("qa_data/xmp/sample1.jpg");
if ($success != 1) {
    print $xmp->lastErrorText() . "\r\n";
    exit;
}

print "Num embedded XMP docs: " . $xmp->get_NumEmbedded() . "\r\n";

# Assuming there is at least one, get the 1st.
# (There is typically never more than one, but theoretically it's possible.)
# xml is a Xml
$xml = $xmp->GetEmbedded(0);
if ($xmp->get_LastMethodSuccess() == 0) {
    print "No XMP metadata found." . "\r\n";
    exit;
}

print $xml->getXml() . "\r\n";

# Sample output:

# <?xml version="1.0" encoding="utf-8"?>
# <x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="XMP toolkit 3.0-28, framework 1.6">
#     <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:iX="http://ns.adobe.com/iX/1.0/">
#         <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:xmpPLUS="XMP Photographic Licensing Universal System (xmpPLUS, http://ns.adobe.com/xap/1.0/PLUS/)">
#             <xmpPLUS:CreditLineReq>False</xmpPLUS:CreditLineReq>
#             <xmpPLUS:ReuseAllowed>False</xmpPLUS:ReuseAllowed>
#         </rdf:Description>
#         <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:Iptc4xmpCore="http://iptc.org/std/Iptc4xmpCore/1.0/xmlns/">
#             <Iptc4xmpCore:IntellectualGenre>Profile</Iptc4xmpCore:IntellectualGenre>
#             <Iptc4xmpCore:Location>Lake Superior</Iptc4xmpCore:Location>
#             <Iptc4xmpCore:CountryCode>US</Iptc4xmpCore:CountryCode>
#             <Iptc4xmpCore:CreatorContactInfo rdf:parseType="Resource">
#                 <Iptc4xmpCore:CiAdrExtadr>John Doe Photography, 123 Maple Lane</Iptc4xmpCore:CiAdrExtadr>
#                 <Iptc4xmpCore:CiAdrCity>Champaign</Iptc4xmpCore:CiAdrCity>
#                 <Iptc4xmpCore:CiAdrRegion>Illinois</Iptc4xmpCore:CiAdrRegion>
#                 <Iptc4xmpCore:CiAdrPcode>61820</Iptc4xmpCore:CiAdrPcode>
#                 <Iptc4xmpCore:CiAdrCtry>USA</Iptc4xmpCore:CiAdrCtry>
#                 <Iptc4xmpCore:CiTelWork>+1 (217) 1234567</Iptc4xmpCore:CiTelWork>
#                 <Iptc4xmpCore:CiEmailWork>john@doe.com</Iptc4xmpCore:CiEmailWork>
#                 <Iptc4xmpCore:CiUrlWork>www.doe.com</Iptc4xmpCore:CiUrlWork>
#             </Iptc4xmpCore:CreatorContactInfo>
#             <Iptc4xmpCore:SubjectCode>
#                 <rdf:Bag>
#                     <rdf:li>14024001</rdf:li>
#                 </rdf:Bag>
#             </Iptc4xmpCore:SubjectCode>
#             <Iptc4xmpCore:Scene>
#                 <rdf:Bag>
#                     <rdf:li>012300</rdf:li>
#                 </rdf:Bag>
#             </Iptc4xmpCore:Scene>
#         </rdf:Description>
#         <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:exif="http://ns.adobe.com/exif/1.0/">
#             <exif:ColorSpace>1</exif:ColorSpace>
#             <exif:PixelXDimension>288</exif:PixelXDimension>
#             <exif:PixelYDimension>432</exif:PixelYDimension>
#         </rdf:Description>
#         <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:pdf="http://ns.adobe.com/pdf/1.3/"/>
#         <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:photoshop="http://ns.adobe.com/photoshop/1.0/">
#             <photoshop:AuthorsPosition>Photographer</photoshop:AuthorsPosition>
#             <photoshop:Headline>Young boy yelling</photoshop:Headline>
#             <photoshop:CaptionWriter>John Doe</photoshop:CaptionWriter>
#             <photoshop:DateCreated>2004-08-19</photoshop:DateCreated>
#             <photoshop:City>Marquette</photoshop:City>
#             <photoshop:State>Michigan</photoshop:State>
#             <photoshop:Country>United States</photoshop:Country>
#             <photoshop:TransmissionReference>PO 34567</photoshop:TransmissionReference>
#             <photoshop:Instructions>Original RAW capture Nikon D2X, Adobe RGB 1998.</photoshop:Instructions>
#             <photoshop:Credit>John Doe Photography</photoshop:Credit>
#             <photoshop:Source>John Doe Photography</photoshop:Source>
#             <photoshop:History/>
#         </rdf:Description>
#         <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:tiff="http://ns.adobe.com/tiff/1.0/">
#             <tiff:XResolution>72/1</tiff:XResolution>
#             <tiff:YResolution>72/1</tiff:YResolution>
#             <tiff:ResolutionUnit>2</tiff:ResolutionUnit>
#             <tiff:Orientation>1</tiff:Orientation>
#         </rdf:Description>
#         <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:xap="http://ns.adobe.com/xap/1.0/">
#             <xap:CreateDate>2005-03-13T02:02:29-06:00</xap:CreateDate>
#             <xap:ModifyDate>2005-03-13T02:02:29-06:00</xap:ModifyDate>
#             <xap:MetadataDate>2005-03-13T02:02:29-06:00</xap:MetadataDate>
#             <xap:CreatorTool>Adobe Photoshop CS Windows</xap:CreatorTool>
#         </rdf:Description>
#         <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:stRef="http://ns.adobe.com/xap/1.0/sType/ResourceRef#" xmlns:xapMM="http://ns.adobe.com/xap/1.0/mm/">
#             <xapMM:DerivedFrom rdf:parseType="Resource">
#                 <stRef:instanceID>uuid:f5b64171-9394-11d9-bb8e-a67e6693b6e9</stRef:instanceID>
#                 <stRef:documentID>adobe:docid:photoshop:e4d002a4-9392-11d9-bb8e-a67e6693b6e9</stRef:documentID>
#             </xapMM:DerivedFrom>
#             <xapMM:DocumentID>adobe:docid:photoshop:0f410647-9396-11d9-bb8e-a67e6693b6e9</xapMM:DocumentID>
#         </rdf:Description>
#         <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:xapRights="http://ns.adobe.com/xap/1.0/rights/">
#             <xapRights:Marked>True</xapRights:Marked>
#             <xapRights:WebStatement>http://www.doe.com</xapRights:WebStatement>
#             <xapRights:RightsUsageTerms>
#                 <rdf:Alt>
#                     <rdf:li xml:lang="x-default">For consideration only, no reproduction without prior permission</rdf:li>
#                 </rdf:Alt>
#             </xapRights:RightsUsageTerms>
#             <xapRights:UsageTerms>
#                 <rdf:Alt>
#                     <rdf:li xml:lang="x-default">For consideration only, no reproduction without prior permission</rdf:li>
#                 </rdf:Alt>
#             </xapRights:UsageTerms>
#         </rdf:Description>
#         <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:dc="http://purl.org/dc/elements/1.1/">
#             <dc:format>image/jpeg</dc:format>
#             <dc:description>
#                 <rdf:Alt>
#                     <rdf:li xml:lang="x-default">Three year old African American boy yells with joy on beach during vacation.</rdf:li>
#                 </rdf:Alt>
#             </dc:description>
#             <dc:title>
#                 <rdf:Alt>
#                     <rdf:li xml:lang="x-default">20040819_pe_014578d.nef</rdf:li>
#                 </rdf:Alt>
#             </dc:title>
#             <dc:rights>
#                 <rdf:Alt>
#                     <rdf:li xml:lang="x-default">�2004 John Doe, all rights reserved</rdf:li>
#                 </rdf:Alt>
#             </dc:rights>
#             <dc:creator>
#                 <rdf:Seq>
#                     <rdf:li>John Doe</rdf:li>
#                 </rdf:Seq>
#             </dc:creator>
#             <dc:subject>
#                 <rdf:Bag>
#                     <rdf:li>boy</rdf:li>
#                     <rdf:li>gender</rdf:li>
#                     <rdf:li>human beings</rdf:li>
#                     <rdf:li>humans</rdf:li>
#                     <rdf:li>lad</rdf:li>
#                     <rdf:li>male</rdf:li>
#                     <rdf:li>people</rdf:li>
#                     <rdf:li>3-12 years old</rdf:li>
#                     <rdf:li>age</rdf:li>
#                     <rdf:li>child</rdf:li>
#                     <rdf:li>youth</rdf:li>
#                     <rdf:li>african american</rdf:li>
#                     <rdf:li>african-american</rdf:li>
#                     <rdf:li>black</rdf:li>
#                     <rdf:li>ethnic</rdf:li>
#                     <rdf:li>ethnicity</rdf:li>
#                     <rdf:li>people of color</rdf:li>
#                     <rdf:li>race</rdf:li>
#                     <rdf:li>beach</rdf:li>
#                     <rdf:li>nature</rdf:li>
#                     <rdf:li>scenery</rdf:li>
#                     <rdf:li>emotion</rdf:li>
#                     <rdf:li>emotional</rdf:li>
#                     <rdf:li>emotions</rdf:li>
#                     <rdf:li>happiness</rdf:li>
#                     <rdf:li>happy</rdf:li>
#                     <rdf:li>joy</rdf:li>
#                     <rdf:li>joyful</rdf:li>
#                     <rdf:li>joyous</rdf:li>
#                 </rdf:Bag>
#             </dc:subject>
#         </rdf:Description>
#     </rdf:RDF>
# </x:xmpmeta>

# You can generate parsing code using Chilkat's online tool : 
# Generate Parsing Code from XML

$x_xmpmeta_xmlns_x = $xml->getAttrValue("xmlns:x");
$x_xmpmeta_x_xmptk = $xml->getAttrValue("x:xmptk");
$rdf_RDF_xmlns_rdf = $xml->chilkatPath("rdf:RDF|(xmlns:rdf)");
$rdf_RDF_xmlns_iX = $xml->chilkatPath("rdf:RDF|(xmlns:iX)");
$i = 0;
$count_i = $xml->NumChildrenHavingTag("rdf:RDF|rdf:Description");
while ($i < $count_i) {
    $xml->put_I($i);
    $rdf_Description_rdf_about = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|(rdf:about)");
    $rdf_Description_xmlns_xmpPLUS = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:xmpPLUS)");
    $rdf_Description_xmlns_Iptc4xmpCore = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:Iptc4xmpCore)");
    $rdf_Description_xmlns_exif = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:exif)");
    $rdf_Description_xmlns_pdf = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:pdf)");
    $rdf_Description_xmlns_photoshop = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:photoshop)");
    $rdf_Description_xmlns_tiff = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:tiff)");
    $rdf_Description_xmlns_xap = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:xap)");
    $rdf_Description_xmlns_stRef = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:stRef)");
    $rdf_Description_xmlns_xapMM = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:xapMM)");
    $rdf_Description_xmlns_xapRights = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:xapRights)");
    $rdf_Description_xmlns_dc = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:dc)");
    $xmpPLUS_CreditLineReq = $xml->getChildContent("rdf:RDF|rdf:Description[i]|xmpPLUS:CreditLineReq");
    $xmpPLUS_ReuseAllowed = $xml->getChildContent("rdf:RDF|rdf:Description[i]|xmpPLUS:ReuseAllowed");
    $Iptc4xmpCore_IntellectualGenre = $xml->getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:IntellectualGenre");
    $Iptc4xmpCore_Location = $xml->getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:Location");
    $Iptc4xmpCore_CountryCode = $xml->getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CountryCode");
    $Iptc4xmpCore_CreatorContactInfo_rdf_parseType = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|(rdf:parseType)");
    $Iptc4xmpCore_CiAdrExtadr = $xml->getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrExtadr");
    $Iptc4xmpCore_CiAdrCity = $xml->getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrCity");
    $Iptc4xmpCore_CiAdrRegion = $xml->getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrRegion");
    $Iptc4xmpCore_CiAdrPcode = $xml->GetChildIntValue("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrPcode");
    $Iptc4xmpCore_CiAdrCtry = $xml->getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrCtry");
    $Iptc4xmpCore_CiTelWork = $xml->getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiTelWork");
    $Iptc4xmpCore_CiEmailWork = $xml->getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiEmailWork");
    $Iptc4xmpCore_CiUrlWork = $xml->getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiUrlWork");
    $rdf_li = $xml->GetChildIntValue("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:SubjectCode|rdf:Bag|rdf:li");
    $rdf_li = $xml->GetChildIntValue("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:Scene|rdf:Bag|rdf:li");
    $exif_ColorSpace = $xml->GetChildIntValue("rdf:RDF|rdf:Description[i]|exif:ColorSpace");
    $exif_PixelXDimension = $xml->GetChildIntValue("rdf:RDF|rdf:Description[i]|exif:PixelXDimension");
    $exif_PixelYDimension = $xml->GetChildIntValue("rdf:RDF|rdf:Description[i]|exif:PixelYDimension");
    $photoshop_AuthorsPosition = $xml->getChildContent("rdf:RDF|rdf:Description[i]|photoshop:AuthorsPosition");
    $photoshop_Headline = $xml->getChildContent("rdf:RDF|rdf:Description[i]|photoshop:Headline");
    $photoshop_CaptionWriter = $xml->getChildContent("rdf:RDF|rdf:Description[i]|photoshop:CaptionWriter");
    $photoshop_DateCreated = $xml->getChildContent("rdf:RDF|rdf:Description[i]|photoshop:DateCreated");
    $photoshop_City = $xml->getChildContent("rdf:RDF|rdf:Description[i]|photoshop:City");
    $photoshop_State = $xml->getChildContent("rdf:RDF|rdf:Description[i]|photoshop:State");
    $photoshop_Country = $xml->getChildContent("rdf:RDF|rdf:Description[i]|photoshop:Country");
    $photoshop_TransmissionReference = $xml->getChildContent("rdf:RDF|rdf:Description[i]|photoshop:TransmissionReference");
    $photoshop_Instructions = $xml->getChildContent("rdf:RDF|rdf:Description[i]|photoshop:Instructions");
    $photoshop_Credit = $xml->getChildContent("rdf:RDF|rdf:Description[i]|photoshop:Credit");
    $photoshop_Source = $xml->getChildContent("rdf:RDF|rdf:Description[i]|photoshop:Source");
    $tiff_XResolution = $xml->getChildContent("rdf:RDF|rdf:Description[i]|tiff:XResolution");
    $tiff_YResolution = $xml->getChildContent("rdf:RDF|rdf:Description[i]|tiff:YResolution");
    $tiff_ResolutionUnit = $xml->GetChildIntValue("rdf:RDF|rdf:Description[i]|tiff:ResolutionUnit");
    $tiff_Orientation = $xml->GetChildIntValue("rdf:RDF|rdf:Description[i]|tiff:Orientation");
    $xap_CreateDate = $xml->getChildContent("rdf:RDF|rdf:Description[i]|xap:CreateDate");
    $xap_ModifyDate = $xml->getChildContent("rdf:RDF|rdf:Description[i]|xap:ModifyDate");
    $xap_MetadataDate = $xml->getChildContent("rdf:RDF|rdf:Description[i]|xap:MetadataDate");
    $xap_CreatorTool = $xml->getChildContent("rdf:RDF|rdf:Description[i]|xap:CreatorTool");
    $xapMM_DerivedFrom_rdf_parseType = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|xapMM:DerivedFrom|(rdf:parseType)");
    $stRef_instanceID = $xml->getChildContent("rdf:RDF|rdf:Description[i]|xapMM:DerivedFrom|stRef:instanceID");
    $stRef_documentID = $xml->getChildContent("rdf:RDF|rdf:Description[i]|xapMM:DerivedFrom|stRef:documentID");
    $xapMM_DocumentID = $xml->getChildContent("rdf:RDF|rdf:Description[i]|xapMM:DocumentID");
    $xapRights_Marked = $xml->getChildContent("rdf:RDF|rdf:Description[i]|xapRights:Marked");
    $xapRights_WebStatement = $xml->getChildContent("rdf:RDF|rdf:Description[i]|xapRights:WebStatement");
    $rdf_li_xml_lang = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|xapRights:RightsUsageTerms|rdf:Alt|rdf:li|(xml:lang)");
    $strRdf_li = $xml->getChildContent("rdf:RDF|rdf:Description[i]|xapRights:RightsUsageTerms|rdf:Alt|rdf:li");
    $rdf_li_xml_lang = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|xapRights:UsageTerms|rdf:Alt|rdf:li|(xml:lang)");
    $strRdf_li = $xml->getChildContent("rdf:RDF|rdf:Description[i]|xapRights:UsageTerms|rdf:Alt|rdf:li");
    $dc_format = $xml->getChildContent("rdf:RDF|rdf:Description[i]|dc:format");
    $rdf_li_xml_lang = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|dc:description|rdf:Alt|rdf:li|(xml:lang)");
    $strRdf_li = $xml->getChildContent("rdf:RDF|rdf:Description[i]|dc:description|rdf:Alt|rdf:li");
    $rdf_li_xml_lang = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|dc:title|rdf:Alt|rdf:li|(xml:lang)");
    $strRdf_li = $xml->getChildContent("rdf:RDF|rdf:Description[i]|dc:title|rdf:Alt|rdf:li");
    $rdf_li_xml_lang = $xml->chilkatPath("rdf:RDF|rdf:Description[i]|dc:rights|rdf:Alt|rdf:li|(xml:lang)");
    $strRdf_li = $xml->getChildContent("rdf:RDF|rdf:Description[i]|dc:rights|rdf:Alt|rdf:li");
    $strRdf_li = $xml->getChildContent("rdf:RDF|rdf:Description[i]|dc:creator|rdf:Seq|rdf:li");
    $j = 0;
    $count_j = $xml->NumChildrenHavingTag("rdf:RDF|rdf:Description[i]|dc:subject|rdf:Bag|rdf:li");
    while ($j < $count_j) {
        $xml->put_J($j);
        $strRdf_li = $xml->getChildContent("rdf:RDF|rdf:Description[i]|dc:subject|rdf:Bag|rdf:li[j]");
        $j = $j + 1;
    }

    $i = $i + 1;
}