Ticket #41409: 41409.diff

src/wp-includes/default-filters.php

@@ -456 +456 @@
 // Media
 add_action( 'wp_playlist_scripts', 'wp_playlist_scripts' );
 add_action( 'customize_controls_enqueue_scripts', 'wp_plupload_default_settings' );
+add_filter( 'wp_update_attachment_metadata', '_remove_attachment_image_metadata' );
 
 // Nav menu
 add_filter( 'nav_menu_item_id', '_nav_menu_item_id_use_once', 10, 2 );

src/wp-includes/media.php

@@ -3950 +3950 @@
 
         return array( $mediaelement, $wpmediaelement );
 }
+
+/**
+ * Removes empty additional EXIF/IPTC data from attachment metadata.
+ *
+ * @return array of updated attachment meta data.
+ */
+function _remove_attachment_image_metadata( $data ) {
+        
+        if ( empty( $data['image_meta'] )
+                return $data;
+        
+        // Default EXIF/IPTC meta keys
+        $meta = array(
+                'aperture' => 0,
+                'credit' => '',
+                'camera' => '',
+                'caption' => '',
+                'created_timestamp' => 0,
+                'copyright' => '',
+                'focal_length' => 0,
+                'iso' => 0,
+                'shutter_speed' => 0,
+                'title' => '',
+                'orientation' => 0,
+                'keywords' => array(),
+        );
+        
+        foreach ( $meta as $key => $value ) {
+                if ( isset( $data['image_meta'][$key] ) && $value == $data['image_meta'][$key] ) {
+                        unset( $data['image_meta'][$key] );
+                }
+        }
+
+        return $data;
+}