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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.
This hook occurs 3 times in this file.
Line | Code |
---|---|
3574 |
|
3575 | /** |
3576 | * Fires immediate before a term-taxonomy relationship is updated. |
3577 | * |
3578 | * @since 2.9.0 |
3579 | * |
3580 | * @param int $tt_id Term taxonomy ID. |
3581 | * @param string $taxonomy Taxonomy slug. |
3582 | */ |
3583 | do_action( 'edit_term_taxonomy', $tt_id, $taxonomy ); |
3584 |
|
3585 | $wpdb->update( $wpdb->term_taxonomy, compact( 'term_id', 'taxonomy', 'description', 'parent' ), array( 'term_taxonomy_id' => $tt_id ) ); |
3586 |
|
3587 | /** |
3588 | * Fires immediately after a term-taxonomy relationship is updated. |
3589 | * |
3590 | * @since 2.9.0 |
3591 | * |
3592 | * @param int $tt_id Term taxonomy ID. |
Line | Code |
4172 |
|
4173 | // Attachments can be 'inherit' status, we need to base count off the parent's status if so. |
4174 | if ( $check_attachments ) |
4175 | $count += (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts p1 WHERE p1.ID = $wpdb->term_relationships.object_id AND ( post_status = 'publish' OR ( post_status = 'inherit' AND post_parent > 0 AND ( SELECT post_status FROM $wpdb->posts WHERE ID = p1.post_parent ) = 'publish' ) ) AND post_type = 'attachment' AND term_taxonomy_id = %d", $term ) ); |
4176 |
|
4177 | if ( $object_types ) |
4178 | $count += (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts WHERE $wpdb->posts.ID = $wpdb->term_relationships.object_id AND post_status = 'publish' AND post_type IN ('" . implode("', '", $object_types ) . "') AND term_taxonomy_id = %d", $term ) ); |
4179 |
|
4180 | /** This action is documented in wp-includes/taxonomy.php */ |
4181 | do_action( 'edit_term_taxonomy', $term, $taxonomy->name ); |
4182 | $wpdb->update( $wpdb->term_taxonomy, compact( 'count' ), array( 'term_taxonomy_id' => $term ) ); |
4183 |
|
4184 | /** This action is documented in wp-includes/taxonomy.php */ |
4185 | do_action( 'edited_term_taxonomy', $term, $taxonomy->name ); |
4186 | } |
4187 | } |
4188 |
|
4189 | /** |
4190 | * Will update term count based on number of objects. |
Line | Code |
4199 | * @param object $taxonomy Current taxonomy object of terms. |
4200 | */ |
4201 | function _update_generic_term_count( $terms, $taxonomy ) { |
4202 | global $wpdb; |
4203 |
|
4204 | foreach ( (array) $terms as $term ) { |
4205 | $count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships WHERE term_taxonomy_id = %d", $term ) ); |
4206 |
|
4207 | /** This action is documented in wp-includes/taxonomy.php */ |
4208 | do_action( 'edit_term_taxonomy', $term, $taxonomy->name ); |
4209 | $wpdb->update( $wpdb->term_taxonomy, compact( 'count' ), array( 'term_taxonomy_id' => $term ) ); |
4210 |
|
4211 | /** This action is documented in wp-includes/taxonomy.php */ |
4212 | do_action( 'edited_term_taxonomy', $term, $taxonomy->name ); |
4213 | } |
4214 | } |
4215 |
|
4216 | /** |
4217 | * Create a new term for a term_taxonomy item that currently shares its term |