From a53d12674cb334df0cc8c84f456d67e53e3add15 Mon Sep 17 00:00:00 2001
From: Catalin Dan <dancatalin18@gmail.com>
Date: Tue, 12 May 2020 20:28:51 +0300
Subject: [PATCH] bug #36793 [DI][Preload] Use require_once instead of require
 when appending cache warmer-returned files to preload file.

---
 src/Symfony/Component/DependencyInjection/Dumper/Preloader.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Symfony/Component/DependencyInjection/Dumper/Preloader.php b/src/Symfony/Component/DependencyInjection/Dumper/Preloader.php
index 7d4c42c46c..c2c805861b 100644
--- a/src/Symfony/Component/DependencyInjection/Dumper/Preloader.php
+++ b/src/Symfony/Component/DependencyInjection/Dumper/Preloader.php
@@ -27,7 +27,7 @@ final class Preloader
 
         foreach ($list as $item) {
             if (0 === strpos($item, $cacheDir)) {
-                file_put_contents($file, sprintf("require __DIR__.%s;\n", var_export(substr($item, \strlen($cacheDir)), true)), FILE_APPEND);
+                file_put_contents($file, sprintf("require_once __DIR__.%s;\n", var_export(substr($item, \strlen($cacheDir)), true)), FILE_APPEND);
                 continue;
             }