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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 |
|---|---|
| 1799 | * Filters a term field value before it is sanitized. |
| 1800 | * |
| 1801 | * The dynamic portion of the hook name, `$field`, refers to the term field. |
| 1802 | * |
| 1803 | * @since 2.3.0 |
| 1804 | * |
| 1805 | * @param mixed $value Value of the term field. |
| 1806 | * @param string $taxonomy Taxonomy slug. |
| 1807 | */ |
| 1808 | $value = apply_filters( "pre_term_{$field}", $value, $taxonomy ); |
| 1809 | |
| 1810 | /** |
| 1811 | * Filters a taxonomy field before it is sanitized. |
| 1812 | * |
| 1813 | * The dynamic portions of the filter name, `$taxonomy` and `$field`, refer |
| 1814 | * to the taxonomy slug and field name, respectively. |
| 1815 | * |
| 1816 | * @since 2.3.0 |
| 1817 | * |