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Retrieve the following Adobe XMP / IPTC information from images in the WordPress Media Library and NextGEN Galleries: Creator Email Owner Name Creation Date Modification Date Label Credit Source Headline City State Country Country Code Location Title Description Creator Keywords Hierarchical Keywords The extracted XMP / IPTC data is cached on disk to improve performance and is refreshed if / when the original image is modified. You can use the plugin in one of two ways; calling a method in your theme template(s) or using the [xmp] shortcode in your content. There are no plugin settings — simply install and activate the plugin. Retrieve XMP Data as an Array $adobeXMP =& adobeXMPforWP::get_instance(); /* * Some default class properties can be modified. */ $adobeXMP->use_cache = true; // default $adobeXMP->max_size = 512000; // default $adobeXMP->chunk_size = 65536; // default /* * The $id can be a WordPress Media Library image ID, * or NextGEN Gallery image ID in the form of ngg-##. */ $image_xmp = $adobeXMP->get_xmp( $id ); echo '<p>Photograph by '.$image_xmp['Creator'].'</p>'; You can also hook the ‘adobe_xmp_cache_dir’ filter to modify the default cache directory. Include a Shortcode in your Post or Page [xmp id="101,ngg-201"] This shortcode prints all the XMP information for Media Library image ID “101” and NextGEN Gallery image ID “201”. The XMP information is printed as a definition list <dl> with a class name of xmp_shortcode that you can style for your needs. Each <dt> and <dd> element also has a style corresponding to it’s title – for example, the “Creator” list element has an xmp_creator class name. Here’s an example of the definition list HTML: <dl class="xmp_shortcode"> <dt class="xmp_credit">Credit</dt> <dd class="xmp_credit">JS Morisset</dd> <dt class="xmp_source">Source</dt> <dd class="xmp_source">Underwater Focus</dd> <dt class="xmp_hierarchical_keywords">Hierarchical Keywords</dt> <dd class="xmp_hierarchical_keywords">What > Photography > Field of View > Wide-Angle > Fish-Eye</dd> </dl> The shortcode can also take a few additional arguments: include (defaults to “all”) Define which XMP elements to include, for example: [xmp id="101" include="creator,creator email"] exclude (defaults to none) Exclude some XMP elements, for example to print all XMP elements, except for the “creator email”: [xmp id="101" exclude="creator email"] show_title (defaults to “yes”) Include / exclude the <dt> definition titles. [xmp id="101" show_title="no"] show_empty (defaults to “no”) Include / exclude empty <dd> definition values. not_keyword (defaults to none) Exclude a list of (case incensitive) keywords, for example: [xmp id="101" not_keyword="who,what,where"] To exclude a hierarchical keyword list, use hyphens between the keywords, for example: [xmp id="101" not_keyword="who,what,where,who-people-unknown"] Additional Documentation None