PHP: Custom error and exception handler

custom_error_handler.php

<?php

error_reporting(E_ALL);
set_error_handler('errorHandler');
set_exception_handler('exceptionHandler');

function errorHandler ($level, $message, $file, $line)
{
    if (error_reporting() !== 0) {  // to keep the @ operator working
        throw new \ErrorException($message, 0, $level, $file, $line);
    }
}
function exceptionHandler ($exception)
{
    echo "<h1>Fatal Error</h1>";
    echo "<p>Uncaught exception: '" . get_class($exception) . "'</p>";
    echo "<p>Message: '" . $exception->getMessage() . "'</p>";
    echo "<p>Stack trace:<pre>" . $exception->getTraceAsString() . "</pre>";
    echo "<p>Thrown in: '" . $exception->getFile() . "' on line '" . $exception->getLine() . "'</p>";
}