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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 |
|---|---|
| 3258 | * Filters term data before it is updated in the database. |
| 3259 | * |
| 3260 | * @since 4.7.0 |
| 3261 | * |
| 3262 | * @param array $data Term data to be updated. |
| 3263 | * @param int $term_id Term ID. |
| 3264 | * @param string $taxonomy Taxonomy slug. |
| 3265 | * @param array $args Arguments passed to wp_update_term(). |
| 3266 | */ |
| 3267 | $data = apply_filters( 'wp_update_term_data', $data, $term_id, $taxonomy, $args ); |
| 3268 | |
| 3269 | $wpdb->update( $wpdb->terms, $data, compact( 'term_id' ) ); |
| 3270 | |
| 3271 | if ( empty( $slug ) ) { |
| 3272 | $slug = sanitize_title( $name, $term_id ); |
| 3273 | $wpdb->update( $wpdb->terms, compact( 'slug' ), compact( 'term_id' ) ); |
| 3274 | } |
| 3275 | |
| 3276 | /** |