The PHP Metadata Toolkit
The PHP Metadata Toolkit "allows reading, writing and display of the following JPEG metadata formats:
* EXIF - including makernotes * XMP / RDF, including multiple language support * Dublin Core * IPTC-NAA IIM * Photoshop IRB * Picture Info * JFIF * DCF * TIFF/EP * JFIF Extension * Embedded Thumbnails * Intrinsic JPEG Values"
