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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 |
|---|---|
| 2382 | * |
| 2383 | * @since 5.1.0 |
| 2384 | * |
| 2385 | * @param object $duplicate_term Duplicate term row from terms table, if found. |
| 2386 | * @param string $term Term being inserted. |
| 2387 | * @param string $taxonomy Taxonomy name. |
| 2388 | * @param array $args Term arguments passed to the function. |
| 2389 | * @param int $tt_id term_taxonomy_id for the newly created term. |
| 2390 | */ |
| 2391 | $duplicate_term = apply_filters( 'wp_insert_term_duplicate_term_check', $duplicate_term, $term, $taxonomy, $args, $tt_id ); |
| 2392 | |
| 2393 | if ( $duplicate_term ) { |
| 2394 | $wpdb->delete( $wpdb->terms, array( 'term_id' => $term_id ) ); |
| 2395 | $wpdb->delete( $wpdb->term_taxonomy, array( 'term_taxonomy_id' => $tt_id ) ); |
| 2396 | |
| 2397 | $term_id = (int) $duplicate_term->term_id; |
| 2398 | $tt_id = (int) $duplicate_term->term_taxonomy_id; |
| 2399 | |
| 2400 | clean_term_cache( $term_id, $taxonomy ); |