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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 |
---|---|
169 | } |
170 | break; |
171 | default: |
172 | if ( ! $wp_list_table->current_action() || ! isset( $_REQUEST['delete_tags'] ) ) { |
173 | break; |
174 | } |
175 | check_admin_referer( 'bulk-tags' ); |
176 | $tags = (array) $_REQUEST['delete_tags']; |
177 | /** This action is documented in wp-admin/edit-comments.php */ |
178 | $location = apply_filters( 'handle_bulk_actions-' . get_current_screen()->id, $location, $wp_list_table->current_action(), $tags ); |
179 | break; |
180 | } |
181 |
|
182 | if ( ! $location && ! empty( $_REQUEST['_wp_http_referer'] ) ) { |
183 | $location = remove_query_arg( array( '_wp_http_referer', '_wpnonce' ), wp_unslash( $_SERVER['REQUEST_URI'] ) ); |
184 | } |
185 |
|
186 | if ( $location ) { |
187 | if ( $pagenum > 1 ) { |