What are some best practices for handling external page calls in PHP to ensure data integrity?

When making external page calls in PHP, it is important to handle errors and exceptions gracefully to ensure data integrity. One best practice is to use try-catch blocks to catch any exceptions that may occur during the external call and handle them appropriately. Additionally, validating input data before making the call can help prevent unexpected behavior. 

try {
    $response = file_get_contents('https://api.example.com/data');
    
    if ($response === false) {
        throw new Exception('Failed to retrieve data from external API');
    }
    
    // Process the response data here
    
} catch (Exception $e) {
    // Log or handle the error in a way that maintains data integrity
    error_log($e->getMessage());
}

Keywords

cURL error handling data validation API integration exception handling

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