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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 |
|---|---|
| 2380 | * The dynamic portions of the filter name, `$taxonomy`, and `$field`, refer |
| 2381 | * to the taxonomy slug and taxonomy field, respectively. |
| 2382 | * |
| 2383 | * @since 2.3.0 |
| 2384 | * |
| 2385 | * @param mixed $value Value of the taxonomy field. |
| 2386 | * @param int $term_id Term ID. |
| 2387 | * @param string $context Context to retrieve the taxonomy field value. |
| 2388 | */ |
| 2389 | $value = apply_filters( "{$taxonomy}_{$field}", $value, $term_id, $context ); |
| 2390 | } |
| 2391 | |
| 2392 | if ( 'attribute' == $context ) { |
| 2393 | $value = esc_attr($value); |
| 2394 | } elseif ( 'js' == $context ) { |
| 2395 | $value = esc_js($value); |
| 2396 | } |
| 2397 | return $value; |
| 2398 | } |