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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
202 | $tags = wp_get_post_tags($post_id); |
203 |
|
204 | if ( !$tags ) |
205 | return false; |
206 |
|
207 | foreach ( $tags as $tag ) |
208 | $tag_names[] = $tag->name; |
209 | $tags_to_edit = join( ',', $tag_names ); |
210 | $tags_to_edit = attribute_escape( $tags_to_edit ); |
211 | $tags_to_edit = apply_filters( 'tags_to_edit', $tags_to_edit ); |
212 | return $tags_to_edit; |
213 | } |
214 |
|
215 | /** |
216 | * {@internal Missing Short Description}} |
217 | * |
218 | * @since unknown |
219 | * |
220 | * @param unknown_type $tag_name |