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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 |
|---|---|
| 1735 | * Filters the taxonomy field for use in RSS. |
| 1736 | * |
| 1737 | * The dynamic portions of the hook name, `$taxonomy`, and `$field`, refer |
| 1738 | * to the taxonomy slug and field name, respectively. |
| 1739 | * |
| 1740 | * @since 2.3.0 |
| 1741 | * |
| 1742 | * @param mixed $value Value of the taxonomy field. |
| 1743 | */ |
| 1744 | $value = apply_filters( "{$taxonomy}_{$field}_rss", $value ); |
| 1745 | } else { |
| 1746 | // Use display filters by default. |
| 1747 | |
| 1748 | /** |
| 1749 | * Filters the term field sanitized for display. |
| 1750 | * |
| 1751 | * The dynamic portion of the filter name, `$field`, refers to the term field name. |
| 1752 | * |
| 1753 | * @since 2.3.0 |