Fatal error: Uncaught PDOException: SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1 in /home/city4uapp/public_html/functions.php:157 Stack trace: #0 /home/city4uapp/public_html/functions.php(157): PDOStatement->execute(Array) #1 /home/city4uapp/public_html/admin/teacher/eidet.php(31): updateData('teachers', Array, 'teacher_id = ') #2 {main} thrown in /home/city4uapp/public_html/functions.php on line 157