Set a default error/exception handler

router.php

@@ -1,5 +1,19 @@
 <?php
 umask(0077);
+
+set_error_handler(function ($level, $message, $file = '', $line = 0) {
+	throw new ErrorException($message, 0, $level, $file, $line);
+});
+set_exception_handler(function ($e) {
+	error_log($e);
+	http_response_code(500);
+	echo '<h1>Error</h1>An error occured.';
+});
+register_shutdown_function(function () { // Also catch fatal errors
+	if (($error = error_get_last()) !== NULL)
+		throw new ErrorException($error['message'], 0, $error['type'], $error['file'], $error['line']);
+});
+
 const ROOT_PATH = __DIR__;
 define('CONF', parse_ini_file(ROOT_PATH . '/config.ini', true, INI_SCANNER_TYPED));