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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 |
|---|---|
| 1607 | * |
| 1608 | * The dynamic portions of the filter name, `$taxonomy` and `$field`, refer |
| 1609 | * to the taxonomy slug and taxonomy field, respectively. |
| 1610 | * |
| 1611 | * @since 2.3.0 |
| 1612 | * |
| 1613 | * @param mixed $value Value of the taxonomy field to edit. |
| 1614 | * @param int $term_id Term ID. |
| 1615 | */ |
| 1616 | $value = apply_filters( "edit_{$taxonomy}_{$field}", $value, $term_id ); |
| 1617 | |
| 1618 | if ( 'description' === $field ) { |
| 1619 | $value = esc_html( $value ); // textarea_escaped |
| 1620 | } else { |
| 1621 | $value = esc_attr( $value ); |
| 1622 | } |
| 1623 | } elseif ( 'db' === $context ) { |
| 1624 | |
| 1625 | /** |