=== Exif Details ===
Contributors: Katsushi Kawamori
Donate link: https://shop.riverforest-wp.info/donate/
Tags: exif, media library, photos
Requires at least: 4.7
Requires PHP: 8.0
Tested up to: 7.0
Stable tag: 1.11
License: GPLv2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html

Get detailed Exif information about the media file.

== Description ==

Get detailed Exif information about the media file.

= Data Selection =
* FILE
* EXIF
* GPS

= Sibling plugin =
* Can use the tags generated by this plugin in the following plugin.
* [Exif Caption](https://wordpress.org/plugins/exif-caption/).

= Special Thanks! Test data provider =
* [sysbird](https://profiles.wordpress.org/sysbird/)

= Sample using snippet 1 & 3 =
[youtube https://youtu.be/QofOiCf-BPc]

= Sample of how to use the filter hook and action hook =
* Sample snippet 1
~~~
/**  ==================================================
 * Sample snippet 1
 *
 * The original filter hook('exif_details_data'),
 * which changes the display when retrieving an Exif and storing it in metadata.
 * The following changes the display of the shooting date and time.
 *
 * @param array $exifdatas  exifdatas.
 * @param int   $id  id.
 */
function exif_details_change( $exifdatas, $id ) {
	if ( array_key_exists( 'DateTimeOriginal', $exifdatas ) ) {
		$shooting_date = str_replace( ':', '-', substr( $exifdatas['DateTimeOriginal'], 0, 10 ) );
		$shooting_time = substr( $exifdatas['DateTimeOriginal'], 10 );
		$exifdatas['DateTimeOriginal'] = $shooting_date . $shooting_time;
	}
	return $exifdatas;
}
add_filter( 'exif_details_data', 'exif_details_change', 10, 2 );
~~~
* Sample snippet 2
~~~
/**  ==================================================
 * Sample snippet 2
 *
 * Retrieve the post metadata and add the date and time of the shooting to the title of the media page.
 * Execute the original action hook('exif_details_update') in the function.
 *
 * @param array $title  title.
 * @param int   $id  id.
 */
function media_title( $title, $id ) {
	$datetime = null;
	if ( is_attachment() ) {
		do_action( 'exif_details_update', $id );
		$exifdatas = get_post_meta( $id, '_exif_details', true );
		if ( ! empty( $exifdatas ) && array_key_exists( 'DateTimeOriginal', $exifdatas ) ) {
			$datetime = ' Date:' . $exifdatas['DateTimeOriginal'];
		}
	}
	return $title . $datetime;
}
add_filter( 'the_title', 'media_title', 10, 2 );
~~~
* Sample snippet 3
~~~
/**  ==================================================
 * Sample snippet 3
 *
 * When adding new media, insert the processed data into the caption.
 * Use the original action hook ('exif_details_update') with function.
 *
 * @param array $metadata  metadata.
 * @param int   $id  id.
 */
function media_caption( $metadata, $id ) {
	$mime_type = get_post_mime_type( $id );
	if ( in_array( $mime_type, array( 'image/jpeg', 'image/tiff' ) ) ) {
		do_action( 'exif_details_update', $id );
		$exifdatas = get_post_meta( $id, '_exif_details', true );
		if ( ! empty( $exifdatas ) ) {
			$camera = null;
			$f_number = null;
			$s_speed = null;
			$iso = null;
			$date = null;
			$googlemap = null;
			if ( array_key_exists( 'Model', $exifdatas ) ) {
				$camera = 'Camera:' . $exifdatas['Model'];
			}
			if ( array_key_exists( 'ApertureFNumber', $exifdatas ) ) {
				$f_number = 'F-number:' . $exifdatas['ApertureFNumber'];
			}
			if ( array_key_exists( 'ExposureTime', $exifdatas ) ) {
				$s_speed = 'Shutter speed:' . $exifdatas['ExposureTime'];
			}
			if ( array_key_exists( 'ISOSpeedRatings', $exifdatas ) ) {
				$isodata = json_decode( $exifdatas['ISOSpeedRatings'] );
				if ( is_array( $isodata ) ) {
					$iso = 'ISO:' . $isodata[0];
				} else {
					$iso = 'ISO:' . $isodata;
				}
			}
			if ( array_key_exists( 'DateTimeOriginal', $exifdatas ) ) {
				$date = 'Date:' . $exifdatas['DateTimeOriginal'];
			}
			if ( array_key_exists( 'latitude_dd', $exifdatas ) && array_key_exists( 'longtitude_dd', $exifdatas ) ) {
				$googlemap = '<a href="https://www.google.com/maps?q=' . $exifdatas['latitude_dd'] . ',' . $exifdatas['longtitude_dd'] . '">Google Map</a>';
			}
			$caption = sprintf( '%1$s %2$s %3$s %4$s %5$s %6$s', $camera, $f_number, $s_speed, $iso, $date, $googlemap );
			$caption = rtrim( $caption );
			$caption = preg_replace( '/\s(?=\s)/', '', $caption );
			$media_post = array(
				'ID'           => $id,
				'post_excerpt' => $caption,
			);
			wp_update_post( $media_post );
		}
	}
	return $metadata;
}
add_filter( 'wp_generate_attachment_metadata', 'media_caption', 10, 2 );
~~~

== Installation ==

1. Upload `exif-details` directory to the `/wp-content/plugins/` directory
2. Activate the plugin through the 'Plugins' menu in WordPress

== Frequently Asked Questions ==

none

== Screenshots ==

1. Display screen
2. Sample using snippet 1 & 2
3. Sample using snippet 1 & 3

== Changelog ==

= [1.11] 2025/06/11 =
* Fix - Issues related to data acquisition.

= [1.10] 2025/04/17 =
* Fix - Loading the management screen.

= 1.09 =
Changed json_encode to wp_json_encode.

= 1.08 =
Supported WordPress 6.4.
PHP 8.0 is now required.

= 1.07 =
PHP 8.0 or higher is now supported.

= 1.06 =
Supported WordPress 5.6.

= 1.05 =
Fixed problem of original image.

= 1.04 =
Change readme.txt.

= 1.03 =
Fixed GPS data.

= 1.02 =
Fixed a problem with slash-separated data.
Change readme.txt.

= 1.01 =
If the value is an array, it is saved as JSON.

= 1.00 =
Initial release.

== Upgrade Notice ==

= 1.00 =
Initial release.