From d81405411c4b336cbe3b2894ae719b13fc86a721 Mon Sep 17 00:00:00 2001
From: Joe <joe.hunt.consulting@gmail.com>
Date: Sat, 23 Jul 2022 00:47:07 +0200
Subject: [PATCH] php 8. strpos(): Passing null to parameter #1 ($haystack) of
 type string is deprecated. Fixed.

---
 includes/date_functions.inc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/includes/date_functions.inc b/includes/date_functions.inc
index f80bb271..2538f79d 100644
--- a/includes/date_functions.inc
+++ b/includes/date_functions.inc
@@ -350,7 +350,8 @@ function sql2date($date_)
 	global $SysPrefs;
 
 	//for MySQL dates are in the format YYYY-mm-dd
-
+	if ($date_ == null)
+		return "";
 	if (strpos($date_, "/")) 
 	{ // In MySQL it could be either / or -
 		list($year, $month, $day) = explode("/", $date_);
-- 
2.30.2