staylor / WordPress

			if ( ! empty( $iptc['2#055'][0] ) && ! empty( $iptc['2#060'][0] ) ) // created date and time

				$meta['created_timestamp'] = strtotime( $iptc['2#055'][0] . ' ' . $iptc['2#060'][0] );

			if ( ! empty( $iptc['2#116'][0] ) ) // copyright

				$meta['copyright'] = trim( $iptc['2#116'][0] );

			if ( ! empty( $iptc['2#025'][0] ) ) { // keywords array

				$meta['keywords'] = array_values( $iptc['2#025'] );

			}

		}

		if ( empty( $meta['copyright'] ) && ! empty( $exif['Copyright'] ) ) {

			$meta['copyright'] = trim( $exif['Copyright'] );

		}

		if ( ! empty( $exif['FNumber'] ) ) {

			$meta['aperture'] = round( wp_exif_frac2dec( $exif['FNumber'] ), 2 );

		}