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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 |
|---|---|
| 1809 | * Filters the taxonomy field for use in RSS. |
| 1810 | * |
| 1811 | * The dynamic portions of the hook name, `$taxonomy`, and `$field`, refer |
| 1812 | * to the taxonomy slug and field name, respectively. |
| 1813 | * |
| 1814 | * @since 2.3.0 |
| 1815 | * |
| 1816 | * @param mixed $value Value of the taxonomy field. |
| 1817 | */ |
| 1818 | $value = apply_filters( "{$taxonomy}_{$field}_rss", $value ); |
| 1819 | } else { |
| 1820 | // Use display filters by default. |
| 1821 | |
| 1822 | /** |
| 1823 | * Filters the term field sanitized for display. |
| 1824 | * |
| 1825 | * The dynamic portion of the hook name, `$field`, refers to the term field name. |
| 1826 | * |
| 1827 | * @since 2.3.0 |