●バックアップ
[root@web2 /www]# cp -p /etc/php.ini /etc/php.ini.org

●php.ini編集
[root@web2 /www]# vi /etc/php.ini

以下の内容に変更する。
[root@web2 /www]# diff -c /etc/php.ini /etc/php.ini.org
*** /etc/php.ini        Thu Nov 24 16:02:48 2011
--- /etc/php.ini.org    Tue Nov 30 06:53:48 2010
***************
*** 302,317 ****
  ; (e.g. by adding its signature to the Web server header).  It is no security
  ; threat in any way, but it makes it possible to determine whether you use PHP
  ; on your server or not.
! expose_php = Off


  ;;;;;;;;;;;;;;;;;;;
  ; Resource Limits ;
  ;;;;;;;;;;;;;;;;;;;

! max_execution_time = 60     ; Maximum execution time of each script, in seconds
  max_input_time = 60   ; Maximum amount of time each script may spend parsing request data
! memory_limit = 256M      ; Maximum amount of memory a script may consume


  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
--- 302,317 ----
  ; (e.g. by adding its signature to the Web server header).  It is no security
  ; threat in any way, but it makes it possible to determine whether you use PHP
  ; on your server or not.
! expose_php = On


  ;;;;;;;;;;;;;;;;;;;
  ; Resource Limits ;
  ;;;;;;;;;;;;;;;;;;;

! max_execution_time = 30     ; Maximum execution time of each script, in seconds
  max_input_time = 60   ; Maximum amount of time each script may spend parsing request data
! memory_limit = 128M      ; Maximum amount of memory a script may consume


  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
***************
*** 345,351 ****
  ;
  ;   - Show all errors, except for notices and coding standards warnings
  ;
! error_reporting = E_ALL & ~E_NOTICE
  ;
  ;   - Show all errors, except for notices
  ;
--- 345,351 ----
  ;
  ;   - Show all errors, except for notices and coding standards warnings
  ;
! ;error_reporting = E_ALL & ~E_NOTICE
  ;
  ;   - Show all errors, except for notices
  ;
***************
*** 357,375 ****
  ;
  ;   - Show all errors, except coding standards warnings
  ;
! ;error_reporting  =  E_ALL

  ; Print out errors (as a part of the output).  For production web sites,
  ; you're strongly encouraged to turn this feature off, and use error logging
  ; instead (see below).  Keeping display_errors enabled on a production web site
  ; may reveal security information to end users, such as file paths on your Web
  ; server, your database schema or other information.
! display_errors = On

  ; Even when display_errors is on, errors that occur during PHP's startup
  ; sequence are not displayed.  It's strongly recommended to keep
  ; display_startup_errors off, except for when debugging.
! display_startup_errors = On

  ; Log errors into a log file (server-specific log, stderr, or error_log (below))
  ; As stated above, you're strongly advised to use error logging in place of
--- 357,375 ----
  ;
  ;   - Show all errors, except coding standards warnings
  ;
! error_reporting  =  E_ALL

  ; Print out errors (as a part of the output).  For production web sites,
  ; you're strongly encouraged to turn this feature off, and use error logging
  ; instead (see below).  Keeping display_errors enabled on a production web site
  ; may reveal security information to end users, such as file paths on your Web
  ; server, your database schema or other information.
! display_errors = Off

  ; Even when display_errors is on, errors that occur during PHP's startup
  ; sequence are not displayed.  It's strongly recommended to keep
  ; display_startup_errors off, except for when debugging.
! display_startup_errors = Off

  ; Log errors into a log file (server-specific log, stderr, or error_log (below))
  ; As stated above, you're strongly advised to use error logging in place of
***************
*** 474,486 ****
  auto_globals_jit = On

  ; Maximum size of POST data that PHP will accept.
! post_max_size = 50M

  ; Magic quotes
  ;

  ; Magic quotes for incoming GET/POST/Cookie data.
! magic_quotes_gpc = On

  ; Magic quotes for runtime-generated data, e.g. data from SQL, from exec(), etc.
  magic_quotes_runtime = Off
--- 474,486 ----
  auto_globals_jit = On

  ; Maximum size of POST data that PHP will accept.
! post_max_size = 8M

  ; Magic quotes
  ;

  ; Magic quotes for incoming GET/POST/Cookie data.
! magic_quotes_gpc = Off

  ; Magic quotes for runtime-generated data, e.g. data from SQL, from exec(), etc.
  magic_quotes_runtime = Off
***************
*** 498,504 ****
  ;
  ; PHP's built-in default is text/html
  default_mimetype = "text/html"
! default_charset = "Shift_JIS"

  ; Always populate the $HTTP_RAW_POST_DATA variable.
  ;always_populate_raw_post_data = On
--- 498,504 ----
  ;
  ; PHP's built-in default is text/html
  default_mimetype = "text/html"
! ;default_charset = "iso-8859-1"

  ; Always populate the $HTTP_RAW_POST_DATA variable.
  ;always_populate_raw_post_data = On
***************
*** 579,585 ****
  ;upload_tmp_dir =

  ; Maximum allowed size for uploaded files.
! upload_max_filesize = 50M


  ;;;;;;;;;;;;;;;;;;
--- 579,585 ----
  ;upload_tmp_dir =

  ; Maximum allowed size for uploaded files.
! upload_max_filesize = 2M


  ;;;;;;;;;;;;;;;;;;
***************
*** 1122,1140 ****

  [mbstring]
  ; language for internal character representation.
! mbstring.language = Japanese

  ; internal/script encoding.
  ; Some encoding cannot work as internal encoding.
  ; (e.g. SJIS, BIG5, ISO-2022-*)
! mbstring.internal_encoding = SJIS

  ; http input encoding.
! mbstring.http_input = pass

  ; http output encoding. mb_output_handler must be
  ; registered as output buffer to function
! mbstring.http_output = pass

  ; enable automatic encoding translation according to
  ; mbstring.internal_encoding setting. Input chars are
--- 1122,1140 ----

  [mbstring]
  ; language for internal character representation.
! ;mbstring.language = Japanese

  ; internal/script encoding.
  ; Some encoding cannot work as internal encoding.
  ; (e.g. SJIS, BIG5, ISO-2022-*)
! ;mbstring.internal_encoding = EUC-JP

  ; http input encoding.
! ;mbstring.http_input = auto

  ; http output encoding. mb_output_handler must be
  ; registered as output buffer to function
! ;mbstring.http_output = SJIS

  ; enable automatic encoding translation according to
  ; mbstring.internal_encoding setting. Input chars are
***************
*** 1145,1151 ****

  ; automatic encoding detection order.
  ; auto means
! mbstring.detect_order = SJIS,EUC-JP,UTF-8,JIS,ASCII

  ; substitute_character used when character cannot be converted
  ; one from another
--- 1145,1151 ----

  ; automatic encoding detection order.
  ; auto means
! ;mbstring.detect_order = auto

  ; substitute_character used when character cannot be converted
  ; one from another

●Apache再起動
[root@web2 /www]# /etc/init.d/httpd restart