diff --git a/php.ini-development b/php.ini-development
index 04db0580080..b39689f5db3 100644
--- a/php.ini-development
+++ b/php.ini-development
@@ -1843,6 +1843,11 @@ ldap.max_links = -1
 ; Enables or disables checksum validation when script loaded from file cache.
 ;opcache.file_cache_consistency_checks=1
 
+; Implies opcache.file_cache_only=1 for a certain process that failed to
+; reattach to the shared memory (for Windows only). Explicitly enabled file
+; cache is required.
+;opcache.file_cache_fallback=1
+
 ; Enables or disables copying of PHP code (text segment) into HUGE PAGES.
 ; This should improve performance, but requires appropriate OS configuration.
 ;opcache.huge_code_pages=0
diff --git a/php.ini-production b/php.ini-production
index 656c06ad8d5..3c07f752dd4 100644
--- a/php.ini-production
+++ b/php.ini-production
@@ -1843,6 +1843,11 @@ ldap.max_links = -1
 ; Enables or disables checksum validation when script loaded from file cache.
 ;opcache.file_cache_consistency_checks=1
 
+; Implies opcache.file_cache_only=1 for a certain process that failed to
+; reattach to the shared memory (for Windows only). Explicitly enabled file
+; cache is required.
+;opcache.file_cache_fallback=1
+
 ; Enables or disables copying of PHP code (text segment) into HUGE PAGES.
 ; This should improve performance, but requires appropriate OS configuration.
 ;opcache.huge_code_pages=1