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Get terms by custom post types and taxonomy
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<?php | |
/** | |
* my_terms_clauses | |
* | |
* filter the terms clauses | |
* | |
* @param $clauses array | |
* @param $taxonomy string | |
* @param $args array | |
* @return array | |
* @link http://wordpress.stackexchange.com/a/183200/45728 | |
**/ | |
function my_terms_clauses( $clauses, $taxonomy, $args ) { | |
global $wpdb; | |
if ( $args['post_types'] ) { | |
$post_types = $args['post_types']; | |
// allow for arrays | |
if ( is_array($args['post_types']) ) { | |
$post_types = implode("','", $args['post_types']); | |
} | |
$clauses['join'] .= " INNER JOIN $wpdb->term_relationships AS r ON r.term_taxonomy_id = tt.term_taxonomy_id INNER JOIN $wpdb->posts AS p ON p.ID = r.object_id"; | |
$clauses['where'] .= " AND p.post_type IN ('". esc_sql( $post_types ). "') GROUP BY t.term_id"; | |
} | |
return $clauses; | |
} | |
add_filter('terms_clauses', 'my_terms_clauses', 99999, 3); |
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