Ticket #14380: 14380-filter.2.diff

src/wp-includes/media.php

@@ -652 +652 @@
 
         if ( $id ) $id = 'id="' . esc_attr($id) . '" ';
 
-        return '<div ' . $id . 'class="wp-caption ' . esc_attr($align) . '" style="width: ' . (10 + (int) $width) . 'px">'
+        $caption_width = apply_filters( 'caption_width', ( 10 + (int) $width ) );
+        $caption_width = $caption_width ? ' style="width: ' . $caption_width . 'px"' : '';
+
+        return '<div ' . $id . 'class="wp-caption ' . esc_attr( $align ) . '"' . $caption_width . '>'
         . do_shortcode( $content ) . '<p class="wp-caption-text">' . $caption . '</p></div>';
 }