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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 |
|---|---|
| 1884 | * Filter the taxonomy field for use in RSS. |
| 1885 | * |
| 1886 | * The dynamic portions of the hook name, $taxonomy, and $field, refer |
| 1887 | * to the taxonomy slug and field name, respectively. |
| 1888 | * |
| 1889 | * @since 2.3.0 |
| 1890 | * |
| 1891 | * @param mixed $value Value of the taxonomy field. |
| 1892 | */ |
| 1893 | $value = apply_filters( "{$taxonomy}_{$field}_rss", $value ); |
| 1894 | } else { |
| 1895 | // Use display filters by default. |
| 1896 | |
| 1897 | /** |
| 1898 | * Filter the term field sanitized for display. |
| 1899 | * |
| 1900 | * The dynamic portion of the filter name, $field, refers to the term field name. |
| 1901 | * |
| 1902 | * @since 2.3.0 |