Ticket #29607: 29607.2.patch

wp-admin/includes/media.php

@@ -159 +159 @@
 function image_add_caption( $html, $id, $caption, $title, $align, $url, $size, $alt = '' ) {
 
         /**
+         * Filter to alter the caption text.
+         *
+         * Allows the caption text to be altered.  By default, if the $caption variable is empty, the image_add_action()
+         * function returns, which prevents the usage of the image_add_caption_shortcode filter.
+         *
+         * @since 4.1.0
+         *
+         * @param string $caption The $caption parameter passed into image_add_caption. (Original caption text).
+         */
+        $caption = apply_filters( 'image_add_caption', $caption );
+
+        /**
          * Filter whether to disable captions.
          *
          * Prevents image captions from being appended to image HTML when inserted into the editor.