In what ways can PHP scripts be optimized to handle 404 errors more efficiently and effectively?

To optimize PHP scripts to handle 404 errors more efficiently, you can create a custom error handling function that checks for 404 errors specifically and handles them appropriately. This can help improve the user experience by providing a more user-friendly error message or redirecting users to a custom error page. 

// Custom error handling function to handle 404 errors
function custom_error_handler($errno, $errstr, $errfile, $errline) {
    if ($errno == 404) {
        // Handle 404 error here (e.g. redirect to custom error page)
        header("Location: /error-404.php");
        exit();
    } else {
        // Handle other errors as needed
        // Log the error, display a generic error message, etc.
    }
}

// Set custom error handler
set_error_handler("custom_error_handler");

Keywords

Error handling HTTP status codes custom error pages redirection error logging

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