Mine

$size = getimagesize ( $uri, $info);$width = $size[0];$height = $size[1];if ( is_array($info) && isset($info["APP13"]) ) {    $iptc = iptcparse($info["APP13"]);    if ( isset($iptc['2#120'][0]) ) $caption = $iptc['2#120'][0];}