Ticket #10928: the_post_image_attr.diff

post-template.php

@@ -909 +909 @@
         return get_post_meta( $post_id, '_thumbnail_id', true );
 }
 
-function the_post_image( $size = 'thumbnail' ) {
-        echo get_the_post_image( $size );
+function the_post_image( $size = 'thumbnail', $attr = '' ) {
+        echo get_the_post_image($size, $attr);
 }
 
-function get_the_post_image( $size = 'thumbnail', $post_id = NULL ) {
+function get_the_post_image( $size = 'thumbnail', $attr = '', $post_id = NULL ) {
         global $id;
         $post_id = ( NULL === $post_id ) ? $id : $post_id;
         $post_image_id = get_post_image_id( $post_id );
         $size = apply_filters( 'post_image_size', $size );
         if ( $post_image_id ) {
                 do_action( 'begin_fetch_post_image_html', $post_id, $post_image_id, $size ); // for "Just In Time" filtering of all of wp_get_attachment_image()'s filters
-                $html = wp_get_attachment_image( $post_image_id, $size );
+                $html = wp_get_attachment_image( $post_image_id, $size, false, $attr );
                 do_action( 'end_fetch_post_image_html', $post_id, $post_image_id, $size );
         } else {
                 $html = '';

media.php

@@ -527 +527 @@
  * @param bool $icon Optional, default is false. Whether it is an icon.
  * @return string HTML img element or empty string on failure.
  */
-function wp_get_attachment_image($attachment_id, $size = 'thumbnail', $icon = false) {
+function wp_get_attachment_image($attachment_id, $size = 'thumbnail', $icon = false, $attr = '') {
 
         $html = '';
         $image = wp_get_attachment_image_src($attachment_id, $size, $icon);
@@ -537 +537 @@
                 if ( is_array($size) )
                         $size = join('x', $size);
                 $attachment =& get_post($attachment_id);
-                $attr = array(
+                $default_attr = array(
                         'src'   => $src,
                         'class' => "attachment-$size",
                         'alt'   => trim(strip_tags( $attachment->post_excerpt )),
                         'title' => trim(strip_tags( $attachment->post_title )),
-                        );
+                );
+                $attr = wp_parse_args($attr, $default_attr);
                 $attr = apply_filters( 'wp_get_attachment_image_attributes', $attr, $attachment );
                 $attr = array_map( 'esc_attr', $attr );
                 $html = rtrim("<img $hwstring");