where args issue fix for review function

Author: sanjana4khan

classes/Utils.php

@@ -4266,15 +4266,13 @@ public function get_reviews_by_instructor( $instructor_id = 0, $offset = 0, $lim
 		$course_id     = sanitize_text_field( $course_id );
 		$date_filter   = sanitize_text_field( $date_filter );
 		$instructor_id = $this->get_user_id( $instructor_id );
-		$args          = $this->sanitize_array( $args );
 
 		$course_query = '';
 		$date_query   = '';
-
 		$where_clause = '';
 
-		if ( ! empty( $args['where'] ) ) {
-			$where_clause = ' AND ' . $args['where'];
+		if ( ! empty( $args['where'] ) && is_array( $args['where'] ) ) {
+			$where_clause = count( $args['where'] ) ? ' AND ' . QueryHelper::prepare_where_clause( $args['where'] ) : '';
 		}
 
 		if ( '' !== $course_id ) {

templates/dashboard/instructor/home.php

@@ -330,7 +330,7 @@ function ( $carry, $section ) {
 if ( ! $is_all_time ) {
 	$review_where['comment_date'] = array( 'BETWEEN', array( $start_date, $end_date ) );
 }
-$review_args    = array( 'where' => QueryHelper::prepare_where_clause( $review_where ) );
+$review_args    = array( 'where' => $review_where );
 $reviews        = tutor_utils()->get_reviews_by_instructor( $user->ID, 0, 3, '', '', $review_args );
 $recent_reviews = Instructor::format_instructor_recent_reviews( $reviews->results );
 ?>