php 5.3.o Warning: strtotime() 解決法

Warning: strtotime() [function.strtotime]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Tokyo' for 'JST/9.0/no DST' instead in ・・・

こんなエラーが出た場合の解決法

php.ini に以下の記述を追加する
date.timezone = Asia/Tokyo

php.ini はphp.ini-development をコピーして作成

その他の変更点
[mbstring]
; language for internal character representation.
; http://php.net/mbstring.language
mbstring.language = Japanese

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

; http input encoding.
; http://php.net/mbstring.http-input
mbstring.http_input = auto

; http output encoding. mb_output_handler must be
; registered as output buffer to function
; http://php.net/mbstring.http-output
;mbstring.http_output = SJIS

; enable automatic encoding translation according to
; mbstring.internal_encoding setting. Input chars are
; converted to internal encoding by setting this to On.
; Note: Do _not_ use automatic encoding translation for
; portable libs/applications.
; http://php.net/mbstring.encoding-translation
mbstring.encoding_translation = Off

; automatic encoding detection order.
; auto means
; http://php.net/mbstring.detect-order
mbstring.detect_order = auto

; substitute_character used when character cannot be converted
; one from another
; http://php.net/mbstring.substitute-character
mbstring.substitute_character = none;