From 28c34128eeb70dd4ec1c7e736ffc9ee75a80e8c0 Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Mon, 8 Nov 2021 15:03:05 +0100
Subject: [PATCH] Fix php proxies to resolve __FILE__ and __DIR__ using
 realpath on PHP <8, fixes #10261

---
 src/Composer/Installer/BinaryInstaller.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Composer/Installer/BinaryInstaller.php b/src/Composer/Installer/BinaryInstaller.php
index 91be81b54..084bef18a 100644
--- a/src/Composer/Installer/BinaryInstaller.php
+++ b/src/Composer/Installer/BinaryInstaller.php
@@ -291,6 +291,7 @@ if (PHP_VERSION_ID < 80000) {
             {
                 // get rid of composer-bin-proxy:// prefix for __FILE__ & __DIR__ resolution
                 \$opened_path = substr(\$path, 21);
+                \$opened_path = realpath(\$opened_path) ?: \$opened_path;
                 \$this->handle = fopen(\$opened_path, \$mode);
                 \$this->position = 0;