What considerations should be made when using PHP to customize error handling for a website, especially in relation to server resources and functionality limitations?

When customizing error handling in PHP for a website, it's important to consider the impact on server resources and functionality limitations. This includes ensuring that error messages are logged efficiently and not displayed to users in a way that could expose sensitive information. Additionally, implementing proper error handling can help improve the overall user experience by providing more informative and user-friendly error messages. 

// Set custom error handler function
function customErrorHandler($errno, $errstr, $errfile, $errline) {
    // Log error message to a file or database
    error_log("Error: [$errno] $errstr in $errfile on line $errline", 0);
    
    // Display a user-friendly error message
    echo "An error occurred. Please try again later.";
}

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

Keywords

PHP error handling server resources functionality limitations customizing website

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