if ( !empty($q['category__in']) ) {

			$q['category__in'] = array_map('absint', array_unique( (array) $q['category__in'] ) );

		if ( !empty($q['category__not_in']) ) {

			$q['category__not_in'] = array_map('absint', array_unique( (array) $q['category__not_in'] ) );

		if ( !empty($q['category__and']) ) {

			$q['category__and'] = array_map('absint', array_unique( (array) $q['category__and'] ) );

		if ( !empty($q['tag__in']) ) {

			$q['tag__in'] = array_map('absint', array_unique( (array) $q['tag__in'] ) );

		if ( !empty($q['tag__not_in']) ) {

			$q['tag__not_in'] = array_map('absint', array_unique( (array) $q['tag__not_in'] ) );

		if ( !empty($q['tag__and']) ) {

			$q['tag__and'] = array_map('absint', array_unique( (array) $q['tag__and'] ) );

		if ( !empty($q['tag_slug__in']) ) {

			$q['tag_slug__in'] = array_map('sanitize_title_for_query', array_unique( (array) $q['tag_slug__in'] ) );

		if ( !empty($q['tag_slug__and']) ) {

			$q['tag_slug__and'] = array_map('sanitize_title_for_query', array_unique( (array) $q['tag_slug__and'] ) );

		if ( !empty( $field['helps'] ) )

			$item .= "<p class='help'>" . join( "</p>\n<p class='help'>", array_unique( (array) $field['helps'] ) ) . '</p>';

		if ( !empty( $field['errors'] ) )

			foreach ( array_unique( (array) $field['errors'] ) as $error )

	return array_unique(array_map('absint', $list));

			$search_string = strtolower( stripslashes( $_REQUEST['s'] ) );

			$search_terms = array_unique( array_filter( array_map( 'trim', explode( ',', $search_string ) ) ) );

		if ( ! empty( $_REQUEST['s'] ) )

			$this->search_terms = array_unique( array_filter( array_map( 'trim', explode( ',', strtolower( stripslashes( $_REQUEST['s'] ) ) ) ) ) );