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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 |
|---|---|
| 1535 | * Filters the taxonomy field for use in RSS. |
| 1536 | * |
| 1537 | * The dynamic portions of the hook name, `$taxonomy`, and `$field`, refer |
| 1538 | * to the taxonomy slug and field name, respectively. |
| 1539 | * |
| 1540 | * @since 2.3.0 |
| 1541 | * |
| 1542 | * @param mixed $value Value of the taxonomy field. |
| 1543 | */ |
| 1544 | $value = apply_filters( "{$taxonomy}_{$field}_rss", $value ); |
| 1545 | } else { |
| 1546 | // Use display filters by default. |
| 1547 | |
| 1548 | /** |
| 1549 | * Filters the term field sanitized for display. |
| 1550 | * |
| 1551 | * The dynamic portion of the filter name, `$field`, refers to the term field name. |
| 1552 | * |
| 1553 | * @since 2.3.0 |