From d0db26891035a3f8d5663d485192eee7f41b301b Mon Sep 17 00:00:00 2001
From: Isaac Russell <24508439+sisaacrussell@users.noreply.github.com>
Date: Sat, 16 Mar 2024 14:29:41 -0500
Subject: [PATCH] Update class-login.php

Use the null coalescing operator to ensure $user_agent is always a string. This prevents passing null to strpos, which is deprecated in newer PHP versions.
---
 src/wp-includes/class-login.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/wp-includes/class-login.php b/src/wp-includes/class-login.php
index a2fca32..964119d 100755
--- a/src/wp-includes/class-login.php
+++ b/src/wp-includes/class-login.php
@@ -88,7 +88,9 @@ public function process( $user_id ) {
 		}
 
 		// Check for bots.
-		$user_agent = filter_input( INPUT_SERVER, 'HTTP_USER_AGENT' );
+		// Use the null coalescing operator to ensure $user_agent is always a string.
+		// This prevents passing null to strpos, which is deprecated in newer PHP versions.
+		$user_agent = filter_input( INPUT_SERVER, 'HTTP_USER_AGENT' ) ?? '';
 		$bot        = false !== strpos( $user_agent, 'bot' );
 		if ( $bot ) {
 			return $user_id;