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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 |
|---|---|
| 1024 | * - `get_category` |
| 1025 | * - `get_post_tag` |
| 1026 | * |
| 1027 | * @since 2.3.0 |
| 1028 | * @since 4.4.0 `$_term` is now a `WP_Term` object. |
| 1029 | * |
| 1030 | * @param WP_Term $_term Term object. |
| 1031 | * @param string $taxonomy The taxonomy slug. |
| 1032 | */ |
| 1033 | $_term = apply_filters( "get_{$taxonomy}", $_term, $taxonomy ); |
| 1034 | |
| 1035 | // Bail if a filter callback has changed the type of the `$_term` object. |
| 1036 | if ( ! ( $_term instanceof WP_Term ) ) { |
| 1037 | return $_term; |
| 1038 | } |
| 1039 | |
| 1040 | // Sanitize term, according to the specified filter. |
| 1041 | if ( $_term !== $old_term || $_term->filter !== $filter ) { |
| 1042 | $_term->filter( $filter ); |