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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 |
|---|---|
| 3059 | * Filters term data before it is updated in the database. |
| 3060 | * |
| 3061 | * @since 4.7.0 |
| 3062 | * |
| 3063 | * @param array $data Term data to be updated. |
| 3064 | * @param int $term_id Term ID. |
| 3065 | * @param string $taxonomy Taxonomy slug. |
| 3066 | * @param array $args Arguments passed to wp_update_term(). |
| 3067 | */ |
| 3068 | $data = apply_filters( 'wp_update_term_data', $data, $term_id, $taxonomy, $args ); |
| 3069 | |
| 3070 | $wpdb->update( $wpdb->terms, $data, compact( 'term_id' ) ); |
| 3071 | |
| 3072 | if ( empty( $slug ) ) { |
| 3073 | $slug = sanitize_title( $name, $term_id ); |
| 3074 | $wpdb->update( $wpdb->terms, compact( 'slug' ), compact( 'term_id' ) ); |
| 3075 | } |
| 3076 | |
| 3077 | /** |