Are there best practices for handling errors in PHP scripts to prevent the display of empty white pages?

When errors occur in PHP scripts, they can sometimes result in empty white pages being displayed to users, which can be confusing and unhelpful. To prevent this, it's important to handle errors gracefully by using error handling functions like `set_error_handler` and `set_exception_handler` to catch and log errors instead of displaying them directly to the user. 

// Set custom error handler to log errors instead of displaying them
function customErrorHandler($errno, $errstr, $errfile, $errline) {
    error_log("Error: $errstr in $errfile on line $errline");
    // Display a user-friendly error message or redirect to an error page
}

set_error_handler("customErrorHandler");

// Set custom exception handler to log exceptions
function customExceptionHandler($exception) {
    error_log("Exception: " . $exception->getMessage());
    // Display a user-friendly error message or redirect to an error page
}

set_exception_handler("customExceptionHandler");

// Example code that may cause an error
$undefinedVariable = $undefinedVariable + 1;

Keywords

error handling try-catch error_reporting display_errors log_errors

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