How can error handling be improved in PHP scripts to ensure that appropriate messages are displayed when a file fails validation?

When a file fails validation in PHP scripts, it is important to implement proper error handling to ensure that appropriate messages are displayed to the user. One way to improve error handling is to use try-catch blocks to catch exceptions and handle them gracefully by displaying meaningful error messages. 

try {
    // Validate the file
    if (!file_exists($file)) {
        throw new Exception("File does not exist.");
    }

    // Process the file
    // ...
    
} catch (Exception $e) {
    echo "Error: " . $e->getMessage();
}

Keywords

error handling PHP scripts file validation messages display

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