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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 |
---|---|
171 | } |
172 | break; |
173 | default: |
174 | if ( ! $wp_list_table->current_action() || ! isset( $_REQUEST['delete_tags'] ) ) { |
175 | break; |
176 | } |
177 | check_admin_referer( 'bulk-tags' ); |
178 | $tags = (array) $_REQUEST['delete_tags']; |
179 | /** This action is documented in wp-admin/edit-comments.php */ |
180 | $location = apply_filters( 'handle_bulk_actions-' . get_current_screen()->id, $location, $wp_list_table->current_action(), $tags ); |
181 | break; |
182 | } |
183 |
|
184 | if ( ! $location && ! empty( $_REQUEST['_wp_http_referer'] ) ) { |
185 | $location = remove_query_arg( array( '_wp_http_referer', '_wpnonce' ), wp_unslash( $_SERVER['REQUEST_URI'] ) ); |
186 | } |
187 |
|
188 | if ( $location ) { |
189 | if ( $pagenum > 1 ) { |