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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 |
|---|---|
| 2082 | } |
| 2083 | |
| 2084 | /** |
| 2085 | * Fires immediately before a term taxonomy ID is deleted. |
| 2086 | * |
| 2087 | * @since 2.9.0 |
| 2088 | * |
| 2089 | * @param int $tt_id Term taxonomy ID. |
| 2090 | */ |
| 2091 | do_action( 'delete_term_taxonomy', $tt_id ); |
| 2092 | |
| 2093 | $wpdb->delete( $wpdb->term_taxonomy, array( 'term_taxonomy_id' => $tt_id ) ); |
| 2094 | |
| 2095 | /** |
| 2096 | * Fires immediately after a term taxonomy ID is deleted. |
| 2097 | * |
| 2098 | * @since 2.9.0 |
| 2099 | * |
| 2100 | * @param int $tt_id Term taxonomy ID. |