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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 |
|---|---|
| 1857 | * Filters the taxonomy field for use in RSS. |
| 1858 | * |
| 1859 | * The dynamic portions of the hook name, `$taxonomy`, and `$field`, refer |
| 1860 | * to the taxonomy slug and field name, respectively. |
| 1861 | * |
| 1862 | * @since 2.3.0 |
| 1863 | * |
| 1864 | * @param mixed $value Value of the taxonomy field. |
| 1865 | */ |
| 1866 | $value = apply_filters( "{$taxonomy}_{$field}_rss", $value ); |
| 1867 | } else { |
| 1868 | // Use display filters by default. |
| 1869 | |
| 1870 | /** |
| 1871 | * Filters the term field sanitized for display. |
| 1872 | * |
| 1873 | * The dynamic portion of the hook name, `$field`, refers to the term field name. |
| 1874 | * |
| 1875 | * @since 2.3.0 |