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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 |
|---|---|
| 1901 | * Filter the taxonomy field for use in RSS. |
| 1902 | * |
| 1903 | * The dynamic portions of the hook name, $taxonomy, and $field, refer |
| 1904 | * to the taxonomy slug and field name, respectively. |
| 1905 | * |
| 1906 | * @since 2.3.0 |
| 1907 | * |
| 1908 | * @param mixed $value Value of the taxonomy field. |
| 1909 | */ |
| 1910 | $value = apply_filters( "{$taxonomy}_{$field}_rss", $value ); |
| 1911 | } else { |
| 1912 | // Use display filters by default. |
| 1913 | |
| 1914 | /** |
| 1915 | * Filter the term field sanitized for display. |
| 1916 | * |
| 1917 | * The dynamic portion of the filter name, $field, refers to the term field name. |
| 1918 | * |
| 1919 | * @since 2.3.0 |