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_wp_post_thumbnail_class_filter_add ›

Since2.9.0
Deprecatedn/a
› _wp_post_thumbnail_class_filter_add ( $attr )
Parameters:
  • (array) $attr Thumbnail attributes including src, class, alt, title.
    Required: Yes
Defined at:
Codex:

Adds '_wp_post_thumbnail_class_filter' callback to the 'wp_get_attachment_image_attributes' filter hook. Internal use only.



Related Functions: _wp_post_thumbnail_class_filter, _wp_post_thumbnail_class_filter_remove, _wp_preview_post_thumbnail_filter, _wp_post_thumbnail_html, set_post_thumbnail_size

Source 

function _wp_post_thumbnail_class_filter_add( $attr ) {
	add_filter( 'wp_get_attachment_image_attributes', '_wp_post_thumbnail_class_filter' );
}