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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 |
|---|---|
| 2180 | } |
| 2181 | |
| 2182 | /** |
| 2183 | * Fires immediately before a term taxonomy ID is deleted. |
| 2184 | * |
| 2185 | * @since 2.9.0 |
| 2186 | * |
| 2187 | * @param int $tt_id Term taxonomy ID. |
| 2188 | */ |
| 2189 | do_action( 'delete_term_taxonomy', $tt_id ); |
| 2190 | $wpdb->delete( $wpdb->term_taxonomy, array( 'term_taxonomy_id' => $tt_id ) ); |
| 2191 | |
| 2192 | /** |
| 2193 | * Fires immediately after a term taxonomy ID is deleted. |
| 2194 | * |
| 2195 | * @since 2.9.0 |
| 2196 | * |
| 2197 | * @param int $tt_id Term taxonomy ID. |
| 2198 | */ |