Warning: Undefined array key "start_date" in /home/awadall4/public_html/week11/handle_date.php on line 3

Warning: Undefined array key "end_date" in /home/awadall4/public_html/week11/handle_date.php on line 4
SELECT * FROM `orders` WHERE requiredDate >= '' AND requiredDate <= ''


Fatal error: Uncaught mysqli_sql_exception: Incorrect DATE value: '' in /home/awadall4/public_html/week11/handle_date.php:8 Stack trace: #0 /home/awadall4/public_html/week11/handle_date.php(8): mysqli_query(Object(mysqli), 'SELECT * FROM `...') #1 {main} thrown in /home/awadall4/public_html/week11/handle_date.php on line 8