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Rc @p!Xi ; About this file ;
&R2 5J$ ;
XvWUJ6M ; 关于这个文件
,?728pfw ;
v]BN. SHE_ ;;;;;;;;;;;;;;;;;;;
`uY77co6 ;
^+I{*0{/[ ; This is the recommended, PHP 4-style version of the php.ini-dist file. It
26j ; RV ; sets some non standard settings, that make PHP more efficient, more secure,
Y2}\~I0 ; and encourage cleaner coding.
Z{|wjZb( ;
+as(m ;
XK>B mq/] ; 这个是推荐的,PHP 4 版本类型的 php.ini-dist 文件,他设置了一些非标准的设置,他们使得
{qK>A?9 ; PHP更加有效,更加安全,鼓励整洁的编码。
N|wI=To ;
%kUIIHV} ;
}k$2r3 ; The price is that with these settings, PHP may be incompatible with some
|?g k%g ; applications, and sometimes, more difficult to develop with. Using this
(wkeo{lx ; file is warmly recommended for production sites. As all of the changes from
[+UF]m%W ; the standard settings are thoroughly documented, you can go over each one,
|-bAzt ; and decide whether you want to use it or not.
<a; <|Fm. ;
h",kA(+P ;
=5isT ; 这样做的代价是,某些应用程序可能在这样的配置下不兼容,在某些情况下,开发会更加困难。
3x=T&X+ ; 使用这个文件是我门对建设站点的热心建议。每个标准设置的改变都有彻底的说明稳当,你可以
!gu#
#MrJ9 ; 处理没一个,决定是否使用他们。
Pi`}-GUe, ;
+9M#-:qB ;
Enyx+]9 ; For general information about the php.ini file, please consult the php.ini-dist
)V7bi^r ; file, included in your PHP distribution.
*bsS%qD] ;
(X;D.s ;
s:CsUl | ; 关于 php.ini 的一般信息,请参考 php.ini-dist 文件,包括你的 PHP 的说明
MqRpG5 . ;
Ny\p$v
"p ;
U*b1yxt ; This file is different from the php.ini-dist file in the fact that it features
.}C
pX ; different values for several directives, in order to improve performance, while
yalT6 ; possibly breaking compatibility with the standard out-of-the-box behavior of
Qt`}$] ; PHP 3. Please make sure you read what's different, and modify your scripts
R^4JM,v9x` ; accordingly, if you decide to use this file instead.
[jU.58* ;
]hRCB=G ;
Tc$Jvy-G4A ; 这个文件和 php.ini-dist 的区别在于它给予了一些指示不同的值,来提高性能,同时可能破坏了
@p~f*b4H? ; PHP 3 的标准的 out-of-the-box 特性。
F$X"?fj ;
?U$H`[VF} ;
4-1=1)c* ; - register_globals = Off [Security, Performance]
+G)L8{FY( ; Global variables are no longer registered for input data (POST, GET, cookies,
hX;JMQ915 ; environment and other server variables). Instead of using $foo, you must use
K?`Fpg( ; you can use $_REQUEST["foo"] (includes any variable that arrives through the
Em?bV( ; request, namely, POST, GET and cookie variables), or use one of the specific
`saDeur#X ; $_GET["foo"], $_POST["foo"], $_COOKIE["foo"] or $_FILES["foo"], depending
>|IUjv2L ; on where the input originates. Also, you can look at the
>NDI<9<'0} ; import_request_variables() function.
Gf*|f"O ; Note that register_globals is going to be depracated (i.e., turned off by
hj[&.w ; default) in the next version of PHP, because it often leads to security bugs.
<A"[Wk ; Read
http://php.net/manual/en/security.registerglobals.php for further
Xy0*1$IS] ; information.
SHWD@WLE4 ;
+es|0;Z4yP ;
j6}/pe*;;T ; 全局变量不再注册输入的数据(POST,GET,cookies,环境变量和其他的服务器变量)。作为代替的是使用
O!xul$9 ; $foo, 你必须使用 $_REQUEST["foo"] ( 包括所有的通过请求传来的变量,也就是说,POST,GET,和
N;gI %6 ; cookies 变量)或者根据输入的来源使用指定的 $_GET["foo"],$_POST["foo"],$_COOKIE["foo"]
?>
)(;Ir9 ; ,$_FILES["foo"] (访问他们).同时,你可以查看 import_request_variables()函数。
u)J&3Ah% ;
GI']&{ ; 注意,这个参数可能在下个版本去掉(默认为off),因为他经常引起安全 bugs.到
cHP~J%&L ;
http://php.net/manual/en/security.registerglobals.php <a_ytSoG1 ; 查看详细内容
I54`}Npp ;
4Cm+xAXG ;
Vh=10Et ; - display_errors = Off [Security]
U~H]w,^ ; With this directive set to off, errors that occur during the execution of
.d/e?H: ; scripts will no longer be displayed as a part of the script output, and thus,
,%Sf,h?"^ ; will no longer be exposed to remote users. With some errors, the error message
Qx<86aKkF ; content may expose information about your script, web server, or database
w`ebZa/j ; server that may be exploitable for hacking. Production sites should have this
?y"=jn ; directive set to off.
.Aj4?AXWc ;
H+lBb$ ;
(m:ktd=x ; 设置这个指示为Off,在脚本执行期间发生错误时,不再将错误作为输出的一部分显示,这样就不会暴露给
`?P)RS30 ; 远端用户。对于某些错误,错误信息的内容可能暴露你的脚本,web服务器,数据库服务器的信息,可能被
pQ2'0u5w5 ; 黑客利用。最终产品占点需要设置这个指示为off.
nz+k , ;
nymro[@O~ ;
)a99@`L\P ; - log_errors = On [Security]
T3H\KRe6 ; This directive complements the above one. Any errors that occur during the
{_[\k^98> ; execution of your script will be logged (typically, to your server's error log,
t:$^iUrx ; but can be configured in several ways). Along with setting display_errors to off,
Ct@O S227x ; this setup gives you the ability to fully understand what may have gone wrong,
Lgr(j60s ; without exposing any sensitive information to remote users.
;fiH=_{us ;
2":{3=oW~ ;
%OT} r ; 这个指示补充上面的。所有的发生在脚本运行期间的错误都会纪录在日志中(代表性的,记录在服务器的错误
#z$g1\v ; 日志中,但是可以配置不同的方式)。随着 display_errors 设置为 off,这个设置给你全面了解到底什么
:9?y-X ; 发生错误的能力,而不会向远端用户暴露任何信息。
3IB||oN$T ;
ZF@T,i9 ;
C[c^zn
; - output_buffering = 4096 [Performance]
8>4@g!9E ; Set a 4KB output buffer. Enabling output buffering typically results in less
\A#YL1hh ; writes, and sometimes less packets sent on the wire, which can often lead to
Ah#bj8} ; better performance. The gain this directive actually yields greatly depends
#" &<^ ; on which Web server you're working with, and what kind of scripts you're using.
0[L)`7 ;
Wks?9)Is ;
^VL",Nt ; 设置 4KB 的输出缓冲区。打开输出缓冲可以减少写的次数,有时减少线路发送包的数量,这样能提高性能。
?xX9o ; 这个指示真正得到的益处很大程度的依赖于你的工作的 WEB 服务器,以及你使用的脚本。
nNj<!}HvV ;
C]dK/~Z#r ;
A4Sb(X|j ; - register_argc_argv = Off [Performance]
~3'}^V\ ; Disables registration of the somewhat redundant $argv and $argc global
g._`"c ; variables.
&[#iM0;)W0 ;
9lU"m_
QT4 ;
&GKtD) ; 禁止注册某些多于的 $argv 和 $argc 全局变量
V =9 ;
jt5:rWB ;
iup "P ; - magic_quotes_gpc = Off [Performance]
CQ;.}=j
, ; Input data is no longer escaped with slashes so that it can be sent into
|g)/6jG<- ; SQL databases without further manipulation. Instead, you should use the
( :h#H[F ; function addslashes() on each input element you wish to send to a database.
u*w'.5l ;
@a~GHG[x ;
QtSJ9;eP ; 输入数据不再被斜线转义,以便于无需更多的处理就可以发送到SQL数据库里面。作为代替,你可
glL.CkJ ; 以对每个要发送到数据库的输入元素使用 addslashes()函数。
(,P6cWt}" ;
P[L] S7FTr ;
zqJ0pDS ; - variables_order = "GPCS" [Performance]
Thc"QIk&4 ; The environment variables are not hashed into the $HTTP_ENV_VARS[]. To access
!TwH;#U w ; environment variables, you can use getenv() instead.
hAi`2GP. ;
<<vT"2Q] ; 环境变量不再进入 $HTTP_ENV_VARS[],你需要用 getenv()来访问环境变量。
%Eq4>o?D ;
P&$ m2^K ;
_]aA58,j ; - error_reporting = E_ALL [Code Cleanliness, Security(?)]
AhA4IOG`. ; By default, PHP surpresses errors of type E_NOTICE. These error messages
.).}ffhOL ; are emitted for non-critical errors, but that could be a symptom of a bigger
,'}qLor ; problem. Most notably, this will cause error messages about the use
N0mP
EF2 ; of uninitialized variables to be displayed.
a@?2T,$ ;
+-$Hx5 ;
~[*\YN); ; 默认的,PHP 给出 E_NOTICE 错误类型,这些错误信息不是核心错误,但是可能是个更大错误的隐患。
$C.;GU EQ ; 大多数提醒是那些没有初始化变量引起的错误信息。
6R=dg2tKT ;
V!&O5T