What could be causing the error "Class 'cl_extended_database' not found" in the PHP code provided?

The error "Class 'cl_extended_database' not found" indicates that the PHP code is trying to use a class called 'cl_extended_database' that is not included or defined in the code. To solve this issue, you need to include the file or define the class where it is located before trying to use it in the code. 

// Include the file containing the 'cl_extended_database' class
require_once 'cl_extended_database.php';

// Now you can use the 'cl_extended_database' class
$database = new cl_extended_database();

Keywords

PHP class cl_extended_database error not found

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