Ticket #25295: 25295.2.patch

wp-includes/media.php

@@ -673 +673 @@
  *                           'aligncenter', alignright', 'alignnone'.
  *     @type int    $width   The width of the caption, in pixels.
  *     @type string $caption The caption text.
+ *     @type string $class       Additional class name(s) added to the caption container.
  * }
  * @param string $content Optional. Shortcode content.
  * @return string HTML content to display the caption.
@@ -708 +709 @@
                 'id'      => '',
                 'align'   => 'alignnone',
                 'width'   => '',
-                'caption' => ''
+                'caption' => '',
+                'class'   => ''
         ), $attr, 'caption' );
 
         $atts['width'] = (int) $atts['width'];
@@ -741 +743 @@
         if ( $caption_width )
                 $style = 'style="width: ' . (int) $caption_width . 'px" ';
 
-        return '<div ' . $atts['id'] . $style . 'class="wp-caption ' . esc_attr( $atts['align'] ) . '">'
+        return '<div ' . $atts['id'] . $style . 'class="wp-caption ' . esc_attr( $atts['align'] ) . ' ' . esc_attr( $atts['class'] ) . '">'
         . do_shortcode( $content ) . '<p class="wp-caption-text">' . $atts['caption'] . '</p></div>';
 }