sync php.ini with upstream

php.ini

@@ -729,6 +729,10 @@ user_dir =
 ; On windows:
 ; extension_dir = "ext"
 
+; Directory where the temporary files should be placed.
+; Defaults to the system default (see sys_get_temp_dir)
+; sys_temp_dir = "/tmp"
+
 ; Whether or not to enable the dl() function.  The dl() function does NOT work
 ; properly in multithreaded servers, such as IIS or Zeus, and is automatically
 ; disabled on them.
@@ -954,16 +958,6 @@ pdo_mysql.default_socket=
 ;phar.cache_list =
 
 [mail function]
-; For Win32 only.
-; http://php.net/smtp
-SMTP = localhost
-; http://php.net/smtp-port
-smtp_port = 25
-
-; For Win32 only.
-; http://php.net/sendmail-from
-;sendmail_from = me@example.com
-
 ; For Unix only.  You may supply arguments as well (default: "sendmail -t -i").
 ; http://php.net/sendmail-path
 sendmail_path = /usr/sbin/sendmail -t -i
@@ -979,6 +973,8 @@ mail.add_x_header = On
 ; The path to a log file that will log all mail() calls. Log entries include
 ; the full path of the script, line number, To address and headers.
 ;mail.log =
+; Log mail to syslog (Event Log on NT, not valid in Windows 95).
+;mail.log = syslog
 
 [SQL]
 ; http://php.net/sql.safe-mode
@@ -1663,16 +1659,16 @@ mssql.secure_connection = Off
 ; Some encoding cannot work as internal encoding.
 ; (e.g. SJIS, BIG5, ISO-2022-*)
 ; http://php.net/mbstring.internal-encoding
-;mbstring.internal_encoding = EUC-JP
+;mbstring.internal_encoding = UTF-8
 
 ; http input encoding.
 ; http://php.net/mbstring.http-input
-;mbstring.http_input = auto
+;mbstring.http_input = UTF-8
 
 ; http output encoding. mb_output_handler must be
 ; registered as output buffer to function
 ; http://php.net/mbstring.http-output
-;mbstring.http_output = SJIS
+;mbstring.http_output = pass
 
 ; enable automatic encoding translation according to
 ; mbstring.internal_encoding setting. Input chars are
@@ -1690,7 +1686,7 @@ mssql.secure_connection = Off
 ; substitute_character used when character cannot be converted
 ; one from another
 ; http://php.net/mbstring.substitute-character
-;mbstring.substitute_character = none;
+;mbstring.substitute_character = none
 
 ; overload(replace) single byte functions by mbstring functions.
 ; mail(), ereg(), etc are overloaded by mb_send_mail(), mb_ereg(),
@@ -1704,7 +1700,7 @@ mssql.secure_connection = Off
 ;mbstring.func_overload = 0
 
 ; enable strict encoding detection.
-;mbstring.strict_detection = Off
+;mbstring.strict_detection = On
 
 ; This directive specifies the regex pattern of content types for which mb_output_handler()
 ; is activated.