デフォルトから変更を加えた箇所のメモ。
allow_call_time_pass_reference = Off
expose_php = Off
error_reporting = E_ALL
log_errors = On
log_errors_max_len = 4096
error_log = "x:/xxx/error.log" (任意のパス)
variables_order = "GPCS"
register_argc_argv = Off
magic_quotes_gpc = Off
default_charset = "utf-8" (任意の文字コード)
session.use_only_cookies = 1