Fatal error: Uncaught PDOException: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry 'numara' for key 'phone_number' in /home/ucuzbayi/public_html/demo.ucuzbayi.com.tr/numara-sorgula/number.php:17 Stack trace: #0 /home/ucuzbayi/public_html/demo.ucuzbayi.com.tr/numara-sorgula/number.php(17): PDOStatement->execute(Array) #1 {main} thrown in /home/ucuzbayi/public_html/demo.ucuzbayi.com.tr/numara-sorgula/number.php on line 17

hocam size zahmet olmazsa int zorunluğu eklerseniz iyi olur.