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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 |
|---|---|
| 1723 | * |
| 1724 | * The dynamic portions of the filter name, `$taxonomy` and `$field`, refer |
| 1725 | * to the taxonomy slug and taxonomy field, respectively. |
| 1726 | * |
| 1727 | * @since 2.3.0 |
| 1728 | * |
| 1729 | * @param mixed $value Value of the taxonomy field to edit. |
| 1730 | * @param int $term_id Term ID. |
| 1731 | */ |
| 1732 | $value = apply_filters( "edit_{$taxonomy}_{$field}", $value, $term_id ); |
| 1733 | |
| 1734 | if ( 'description' === $field ) { |
| 1735 | $value = esc_html( $value ); // textarea_escaped |
| 1736 | } else { |
| 1737 | $value = esc_attr( $value ); |
| 1738 | } |
| 1739 | } elseif ( 'db' === $context ) { |
| 1740 | |
| 1741 | /** |