Merge branch 'PHP-7.1'

* PHP-7.1:
  Increase realpath_cache_size default value
  add UPGRADING note for realpath_cache_size

Author: krakjoe

UPGRADING

@@ -207,6 +207,9 @@ PHP 7.2 UPGRADE NOTES
 - sql.safe_mode
   . This INI directive have been removed.
 
+- realpath_cache_size
+  . Set to 4096k by default
+
 ========================================
 12. Windows Support
 ========================================

main/main.c

@@ -601,7 +601,7 @@ PHP_INI_BEGIN()
 	STD_PHP_INI_BOOLEAN("allow_url_include",	"0",		PHP_INI_SYSTEM,		OnUpdateBool,		allow_url_include,		php_core_globals,		core_globals)
 	STD_PHP_INI_BOOLEAN("enable_post_data_reading",	"1",	PHP_INI_SYSTEM|PHP_INI_PERDIR,	OnUpdateBool,	enable_post_data_reading,	php_core_globals,	core_globals)
 
-	STD_PHP_INI_ENTRY("realpath_cache_size",	"16K",		PHP_INI_SYSTEM,		OnUpdateLong,	realpath_cache_size_limit,	virtual_cwd_globals,	cwd_globals)
+	STD_PHP_INI_ENTRY("realpath_cache_size",	"4096K",	PHP_INI_SYSTEM,		OnUpdateLong,	realpath_cache_size_limit,	virtual_cwd_globals,	cwd_globals)
 	STD_PHP_INI_ENTRY("realpath_cache_ttl",		"120",		PHP_INI_SYSTEM,		OnUpdateLong,	realpath_cache_ttl,			virtual_cwd_globals,	cwd_globals)
 
 	STD_PHP_INI_ENTRY("user_ini.filename",		".user.ini",	PHP_INI_SYSTEM,		OnUpdateString,		user_ini_filename,	php_core_globals,		core_globals)

php.ini-development

@@ -338,7 +338,7 @@ disable_classes =
 ; be increased on systems where PHP opens many files to reflect the quantity of
 ; the file operations performed.
 ; http://php.net/realpath-cache-size
-;realpath_cache_size = 16k
+;realpath_cache_size = 4096k
 
 ; Duration of time, in seconds for which to cache realpath information for a given
 ; file or directory. For systems with rarely changing files, consider increasing this

php.ini-production

@@ -338,7 +338,7 @@ disable_classes =
 ; be increased on systems where PHP opens many files to reflect the quantity of
 ; the file operations performed.
 ; http://php.net/realpath-cache-size
-;realpath_cache_size = 16k
+;realpath_cache_size = 4096k
 
 ; Duration of time, in seconds for which to cache realpath information for a given
 ; file or directory. For systems with rarely changing files, consider increasing this