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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 |
---|---|
1673 |
|
1674 | /** |
1675 | * Filter the terms query arguments. |
1676 | * |
1677 | * @since 3.1.0 |
1678 | * |
1679 | * @param array $args An array of arguments. |
1680 | * @param array $taxonomies An array of taxonomies. |
1681 | */ |
1682 | $args = apply_filters( 'get_terms_args', $args, $taxonomies ); |
1683 |
|
1684 | // Avoid the query if the queried parent/child_of term has no descendants. |
1685 | $child_of = $args['child_of']; |
1686 | $parent = $args['parent']; |
1687 |
|
1688 | if ( $child_of ) { |
1689 | $_parent = $child_of; |
1690 | } elseif ( $parent ) { |
1691 | $_parent = $parent; |