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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 |
---|---|
2347 | /** |
2348 | * Filters term data before it is inserted into the database. |
2349 | * |
2350 | * @since 4.7.0 |
2351 | * |
2352 | * @param array $data Term data to be inserted. |
2353 | * @param string $taxonomy Taxonomy slug. |
2354 | * @param array $args Arguments passed to wp_insert_term(). |
2355 | */ |
2356 | $data = apply_filters( 'wp_insert_term_data', $data, $taxonomy, $args ); |
2357 |
|
2358 | if ( false === $wpdb->insert( $wpdb->terms, $data ) ) { |
2359 | return new WP_Error( 'db_insert_error', __( 'Could not insert term into the database.' ), $wpdb->last_error ); |
2360 | } |
2361 |
|
2362 | $term_id = (int) $wpdb->insert_id; |
2363 |
|
2364 | // Seems unreachable. However, is used in the case that a term name is provided, which sanitizes to an empty string. |
2365 | if ( empty( $slug ) ) { |