From 1997bb8f364eef2e227b66511a1358a6ed139ea8 Mon Sep 17 00:00:00 2001
From: homersimpsons <guillaume.alabre@gmail.com>
Date: Fri, 10 Feb 2023 13:25:03 +0100
Subject: [PATCH] :rotating_light: Fix `strpos()` deprecation notice with
 `null` (#11310)

Deprecation Notice: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in composer/src/Composer/DependencyResolver/SolverProblemsException.php:80
---
 .../DependencyResolver/SolverProblemsException.php         | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/Composer/DependencyResolver/SolverProblemsException.php b/src/Composer/DependencyResolver/SolverProblemsException.php
index a39e90ddd..7f5df6092 100644
--- a/src/Composer/DependencyResolver/SolverProblemsException.php
+++ b/src/Composer/DependencyResolver/SolverProblemsException.php
@@ -77,8 +77,11 @@ class SolverProblemsException extends \RuntimeException
     {
         foreach ($reasonSets as $reasonSet) {
             foreach ($reasonSet as $reason) {
-                if (isset($reason["rule"]) && 0 === strpos($reason["rule"]->getRequiredPackage(), 'ext-')) {
-                    return true;
+                if (isset($reason["rule"])) {
+                    $requiredPackage = $reason["rule"]->getRequiredPackage();
+                    if ($requiredPackage !== null && 0 === strpos($requiredPackage, 'ext-')) {
+                        return true;
+                    }
                 }
             }
         }