Add EXIF and IPTC meta data to Attachment Post

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WordPress extracts some image meta data from a file when it is uploaded and adds it to the newly created Attachment Post. This Plugin extracts and saves a much wider range of EXIF and IPTC information. This Plugin currently supports JPEG and WEBP files. The Plugin does not add any information to Attachment Posts which have already been uploaded. (The Plugin does update the stored meta data when a new image is uploaded to an existing Attachment Post, for example when the Enable Media Replace Plugin is used.) The information is not visible in the Media editor, but is available to developers when using the wp_get_attachment_metadata function. The data is stored in a subset of the array returned by this function, within the array key shp_additional_metadata. e.g. <?php $attachment_metadata = wp_get_attachment_metadata($attachment_id); var_dump($attachment_metadata['shp_additional_metadata']); Hooks The data array can be manipulated using add_filter once it has been retrieved from the file, using the following hooks. All additional data All IPTC data which is added by the plugin. <?php apply_filters('shp_additional_metadata/iptc', $exif['iptc'], $source_path); IPTC data All data which is added by the plugin. <?php apply_filters('shp_additional_metadata/all_exif', $exif, $source_path);