Deprecated: explode(): Passing null to parameter #2 ($string) of type string is deprecated in /home/myserver/public_www/comparison/search/db_pdo.php on line 420

Deprecated: PDO::prepare(): Passing null to parameter #1 ($query) of type string is deprecated in /home/myserver/public_www/comparison/search/db_pdo.php on line 444

Fatal error: Uncaught ValueError: PDO::prepare(): Argument #1 ($query) must not be empty in /home/myserver/public_www/comparison/search/db_pdo.php:444 Stack trace: #0 /home/myserver/public_www/comparison/search/db_pdo.php(444): PDO->prepare() #1 /home/myserver/public_www/comparison/search/4.php(49): countProductData() #2 {main} thrown in /home/myserver/public_www/comparison/search/db_pdo.php on line 444