From e783877676db07984a7425a7990c0ee91d9e1d1c Mon Sep 17 00:00:00 2001
From: Trevor Slocum <tslocum@gmail.com>
Date: Mon, 12 Jun 2017 17:11:59 -0700
Subject: [PATCH] Resolve PHP compatibility issue, fixes #29

---
 inc/functions.php | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/inc/functions.php b/inc/functions.php
index edc7fb9..3fda855 100644
--- a/inc/functions.php
+++ b/inc/functions.php
@@ -236,7 +236,14 @@ function checkCAPTCHA() {
 
 		if ($failed_captcha) {
 			$captcha_error = 'Failed CAPTCHA.';
-			if (count($resp->getErrorCodes()) == 1 && $resp->getErrorCodes()[0] == 'missing-input-response') {
+			$error_reason = '';
+
+			if (count($resp->getErrorCodes()) == 1) {
+				$error_codes = $resp->getErrorCodes();
+				$error_reason = $error_codes[0];
+			}
+
+			if ($error_reason == 'missing-input-response') {
 				$captcha_error .= ' Please click the checkbox labeled "I\'m not a robot".';
 			} else {
 				$captcha_error .= ' Reason:';