How can error handling be improved in the PHP script to prevent issues with data retrieval?

To improve error handling in a PHP script and prevent issues with data retrieval, you can use try-catch blocks to catch and handle any exceptions that may occur during data retrieval operations. This allows you to gracefully handle errors and prevent the script from crashing. 

try {
    // Data retrieval operations
    $result = fetchData();
} catch (Exception $e) {
    // Handle any exceptions that occur during data retrieval
    echo "An error occurred: " . $e->getMessage();
}

// Function to retrieve data
function fetchData() {
    // Data retrieval logic
    // Return the fetched data
}

Keywords

try-catch exception handling error reporting PDO data validation

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