Allow passing an empty tag set to wp_set_post_tags() so all tags can be removed from a post. see #3723

git-svn-id: http://svn.automattic.com/wordpress/trunk@5243 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan 2007-04-11 18:04:49 +00:00
parent f0da57ee4e
commit b6c49e3023

View File

@ -799,7 +799,9 @@ function wp_set_post_tags( $post_id = 0, $tags = '', $append = false ) {
// prevent warnings for unintialized variables
$tag_ids = array();
if ( empty($tags) )
$tags = array();
$tags = (is_array($tags)) ? $tags : explode( ',', $tags );
foreach ( $tags as $tag ) {
@ -810,8 +812,8 @@ function wp_set_post_tags( $post_id = 0, $tags = '', $append = false ) {
$tag_id = wp_create_tag( $tag );
$tag_ids[] = $tag_id;
}
if ( empty($tag_ids) )
if ( empty($tag_ids) && ( !empty($tags) || $append ) )
return false;
$tag_ids = array_unique( $tag_ids );