[wp-trac] [WordPress Trac] #36996: get_the_post_thumbnail and the usage of class attribute

[WordPress Trac]

#36996: get_the_post_thumbnail and the usage of class attribute
--------------------------+------------------------------
 Reporter:  TomasM        |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:  4.5.2
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
--------------------------+------------------------------

Comment (by wido):

 @TomasM I made this little snippet that add again the default classes.

 {{{
 function _add_again_default_attach_image_class_attr( $attr, $attach, $size
 ) {

         // The class to test.
         $classes = 'attachment-' . $size . ' size-' . $size;

         // Add the wp classes if not founds.
         if ( isset( $attr['class'] ) && false === strpos( $attr['class'],
 $classes ) ) {
                 $attr['class'] .= ' ' . $classes;
         }

         return $attr;
 }

 add_filter( 'wp_get_attachment_image_attributes',
 '_add_again_default_attach_image_class_attr', 10, 3 );
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/36996#comment:3>
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