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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 |
|---|---|
| 2350 | * Filter the taxonomy field for use in RSS. |
| 2351 | * |
| 2352 | * The dynamic portions of the hook name, `$taxonomy`, and `$field`, refer |
| 2353 | * to the taxonomy slug and field name, respectively. |
| 2354 | * |
| 2355 | * @since 2.3.0 |
| 2356 | * |
| 2357 | * @param mixed $value Value of the taxonomy field. |
| 2358 | */ |
| 2359 | $value = apply_filters( "{$taxonomy}_{$field}_rss", $value ); |
| 2360 | } else { |
| 2361 | // Use display filters by default. |
| 2362 | |
| 2363 | /** |
| 2364 | * Filter the term field sanitized for display. |
| 2365 | * |
| 2366 | * The dynamic portion of the filter name, `$field`, refers to the term field name. |
| 2367 | * |
| 2368 | * @since 2.3.0 |