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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 |
|---|---|
| 1681 | * Filters the taxonomy field for use in RSS. |
| 1682 | * |
| 1683 | * The dynamic portions of the hook name, `$taxonomy`, and `$field`, refer |
| 1684 | * to the taxonomy slug and field name, respectively. |
| 1685 | * |
| 1686 | * @since 2.3.0 |
| 1687 | * |
| 1688 | * @param mixed $value Value of the taxonomy field. |
| 1689 | */ |
| 1690 | $value = apply_filters( "{$taxonomy}_{$field}_rss", $value ); |
| 1691 | } else { |
| 1692 | // Use display filters by default. |
| 1693 | |
| 1694 | /** |
| 1695 | * Filters the term field sanitized for display. |
| 1696 | * |
| 1697 | * The dynamic portion of the filter name, `$field`, refers to the term field name. |
| 1698 | * |
| 1699 | * @since 2.3.0 |