This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.
WP_Tax_Query::clean_query( array $query )
Validates a single query.
Parameters
- $query
-
(Required) The single query. Passed by reference.
Source
File: wp-includes/class-wp-tax-query.php
private function clean_query( &$query ) {
if ( empty( $query['taxonomy'] ) ) {
if ( 'term_taxonomy_id' !== $query['field'] ) {
$query = new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
return;
}
// so long as there are shared terms, include_children requires that a taxonomy is set
$query['include_children'] = false;
} elseif ( ! taxonomy_exists( $query['taxonomy'] ) ) {
$query = new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
return;
}
$query['terms'] = array_unique( (array) $query['terms'] );
if ( is_taxonomy_hierarchical( $query['taxonomy'] ) && $query['include_children'] ) {
$this->transform_query( $query, 'term_id' );
if ( is_wp_error( $query ) )
return;
$children = array();
foreach ( $query['terms'] as $term ) {
$children = array_merge( $children, get_term_children( $term, $query['taxonomy'] ) );
$children[] = $term;
}
$query['terms'] = $children;
}
$this->transform_query( $query, 'term_taxonomy_id' );
}
Changelog
Version | Description |
---|---|
WP-3.2.0 | Introduced. |