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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 |
|---|---|
| 1528 | * The dynamic portions of the filter name, `$taxonomy`, and `$field`, refer |
| 1529 | * to the taxonomy slug and taxonomy field, respectively. |
| 1530 | * |
| 1531 | * @since 2.3.0 |
| 1532 | * |
| 1533 | * @param mixed $value Value of the taxonomy field. |
| 1534 | * @param int $term_id Term ID. |
| 1535 | * @param string $context Context to retrieve the taxonomy field value. |
| 1536 | */ |
| 1537 | $value = apply_filters( "{$taxonomy}_{$field}", $value, $term_id, $context ); |
| 1538 | } |
| 1539 | |
| 1540 | if ( 'attribute' == $context ) { |
| 1541 | $value = esc_attr($value); |
| 1542 | } elseif ( 'js' == $context ) { |
| 1543 | $value = esc_js($value); |
| 1544 | } |
| 1545 | return $value; |
| 1546 | } |