now shows fatal error message (if possible)

index.php

@@ -1,6 +1,16 @@
 <?php
-ini_set('log_errors', 0);
-ini_set('display_errors', 1);
+
+/**
+ * PHP Sandbox: https://github.com/MightyPork/php-sandbox
+ */
+ 
+ini_set('log_errors', false);
+ini_set('display_errors', true);
+ini_set('display_startup_errors', true);
+ini_set('display_not_found_reason', true);
+ini_set('display_exceptions', true);
+ini_set('html_errors', false);
+
 error_reporting(E_ALL | E_STRICT);
 
 // --- Handle config ---

php-console.js

@@ -65,7 +65,7 @@
 	};
 
 	handleAjaxError = function (event, jqxhr, settings, exception) {
-        $('div.output').html("<em>Error occured while posting your code.</em>");
+		$('div.output').html("<em>Error occured while posting your code.</em>" + jqxhr.responseText);
 	};
 
 	initializeAce = function () {

styles.css

@@ -1,6 +1,6 @@
 body, textarea, input {
 	font-size: 12px;
-    font-family: monospace "Source Code Pro";
+	font-family: "Source Code Pro", monospace;
 }
 
 body {
@@ -77,6 +77,16 @@ a {
 	word-wrap: break-word;	   /* Internet Explorer 5.5+ */
 }
 
+.output h1 {
+	margin: .5em 0 0 0;
+}
+
+.output p, .output pre {
+	margin: .5em 0;
+	-webkit-margin-before: 0;
+	-webkit-margin-after: 0;
+}
+
 .input-wrapper {
 	border-right: 4px solid #686860;
 }