'category', ) ); /** * Set default query args */ $field['query_args'] = wp_parse_args( $field['query_args'], array( 'hide_empty' => false, ) ); /** * Set default placeholder * - If multiple taxonomies: show 'Select a term' * - If single taxonomy: show 'Select a %taxonomy_name%' */ if ( empty( $field['placeholder'] ) ) { $field['placeholder'] = esc_html__( 'Select a term', 'brunch-lite' ); if ( is_string( $field['taxonomy'] ) && taxonomy_exists( $field['taxonomy'] ) ) { $taxonomy_object = get_taxonomy( $field['taxonomy'] ); $field['placeholder'] = sprintf( esc_html__( 'Select a %s', 'brunch-lite' ), $taxonomy_object->labels->singular_name ); } } /** * Prevent cloning for taxonomy field */ $field['clone'] = false; return $field; } /** * Get field names of object to be used by walker * * @return array */ public static function get_db_fields() { return array( 'parent' => 'parent', 'id' => 'term_id', 'label' => 'name', ); } /** * Get options for selects, checkbox list, etc via the terms * * @param array $field Field parameters * * @return array */ public static function get_options( $field ) { $options = get_terms( $field['taxonomy'], $field['query_args'] ); return $options; } /** * Save meta value * * @param mixed $new * @param mixed $old * @param int $post_id * @param array $field */ public static function save( $new, $old, $post_id, $field ) { $new = array_unique( array_map( 'intval', (array) $new ) ); $new = empty( $new ) ? null : $new; wp_set_object_terms( $post_id, $new, $field['taxonomy'] ); } /** * Get raw meta value * * @param int $post_id * @param array $field * * @return mixed */ public static function raw_meta( $post_id, $field ) { if ( empty( $field['id'] ) ) { return ''; } $meta = get_the_terms( $post_id, $field['taxonomy'] ); $meta = (array) $meta; return wp_list_pluck( $meta, 'term_id' ); } /** * Get the field value * Return list of post term objects * * @param array $field Field parameters * @param array $args Additional arguments. Rarely used. See specific fields for details * @param int|null $post_id Post ID. null for current post. Optional. * * @return array List of post term objects */ public static function get_value( $field, $args = array(), $post_id = null ) { $value = get_the_terms( $post_id, $field['taxonomy'] ); // Get single value if necessary if ( ! $field['clone'] && ! $field['multiple'] && is_array( $value ) ) { $value = reset( $value ); } return $value; } /** * Get option label * * @param string $value Option value * @param array $field Field parameter * * @return string */ public static function get_option_label( $field, $value ) { return sprintf( '%s', esc_url( get_term_link( $value ) ), esc_attr( $value->name ), $value->name ); } }