From 9ab4622b6756e245776ffef830384d2a0178f2f0 Mon Sep 17 00:00:00 2001
From: cypherbits <info@avanix.es>
Date: Mon, 11 May 2020 18:24:25 +0200
Subject: [PATCH] If encryption is enabled, check the PHP version is at least
 7.2

---
 chat.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/chat.php b/chat.php
index d5e5c25..d18ce10 100644
--- a/chat.php
+++ b/chat.php
@@ -4229,6 +4229,9 @@ function load_config(){
 	define('COOKIENAME', PREFIX . 'chat_session'); // Cookie name storing the session information
 	define('LANG', 'en'); // Default language
     if (MSGENCRYPTED){
+        if (version_compare(PHP_VERSION, '7.2.0') < 0) {
+            die("You need at least PHP >= 7.2.x");
+        }
         //Do not touch: Compute real keys needed by encryption functions
         if (strlen(ENCRYPTKEY_PASS) !== SODIUM_CRYPTO_AEAD_AES256GCM_KEYBYTES){
             define('ENCRYPTKEY', substr(hash("sha512/256",ENCRYPTKEY_PASS),0, SODIUM_CRYPTO_AEAD_AES256GCM_KEYBYTES));