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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 |
|---|---|
| 2200 | * Filter a term field value before it is sanitized. |
| 2201 | * |
| 2202 | * The dynamic portion of the filter name, `$field`, refers to the term field. |
| 2203 | * |
| 2204 | * @since 2.3.0 |
| 2205 | * |
| 2206 | * @param mixed $value Value of the term field. |
| 2207 | * @param string $taxonomy Taxonomy slug. |
| 2208 | */ |
| 2209 | $value = apply_filters( "pre_term_{$field}", $value, $taxonomy ); |
| 2210 | |
| 2211 | /** |
| 2212 | * Filter a taxonomy field before it is sanitized. |
| 2213 | * |
| 2214 | * The dynamic portions of the filter name, `$taxonomy` and `$field`, refer |
| 2215 | * to the taxonomy slug and field name, respectively. |
| 2216 | * |
| 2217 | * @since 2.3.0 |
| 2218 | * |