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PHP.ini配置文件解析_PHP教程

时间:2021-07-01 10:21:17 帮助过:21人阅读

[PHP]

;;;;;;;;;;;;;;;;;;;
; About php.ini ;
;;;;;;;;;;;;;;;;;;;
; PHP's initialization file, generally called php.ini, is responsible for
; configuring many of the aspects of PHP's behavior.
;PHP的初始化文件,命名为php.ini,负责配置PHP的各种行为和功能。

; PHP attempts to find and load this configuration from a number of locations.
; PHP会尝试从某个位置加载配置
; The following is a summary of its search order:
; php.ini的加载是有顺序的,PHP会按照以下顺序依次加载
; 1. SAPI module specific location.
; SAPI模块的位置
; 2. The PHPRC environment variable. (As of PHP 5.2.0)
; 环境变量PHPRC PHPRC即php.ini的查找路径
; 3. A number of predefined registry keys on Windows (As of PHP 5.2.0)
; Windows注册表的指定位置
; 4. Current working directory (except CLI)
; 当前工作目录(CLI除外)
; 5. The web server's directory (for SAPI modules), or directory of PHP
; web服务器目录(SAPI模块)或者PHP目录位置
; (otherwise in Windows)
; 6. The directory from the --with-config-file-path compile time option, or the
; Windows directory (C:\windows or C:\winnt)
; 编译时 –with-config-file-path的指定目录
; See the PHP docs for more specific information.
; http://php.com/configuration.file

; The syntax of the file is extremely simple. Whitespace and Lines
; beginning with a semicolon are silently ignored (as you probably guessed).
; Section headers (e.g. [Foo]) are also silently ignored, even though
; they might mean something in the future.
; 文档注释方式:空白字符和用分号开始的行被被忽略(这个你可能已经猜到了)。 章节标题(例如 : [Foo])也被忽略,即使将来它们可能 有某种的意义。

; Directives following the section heading [PATH=/www/mysite] only
; apply to PHP files in the /www/mysite directory. Directives
; following the section heading [HOST=www.example.com] only apply to
; PHP files served from www.example.com. Directives set in these
; special sections cannot be overridden by user-defined INI files or
; at runtime. Currently, [PATH=] and [HOST=] sections only work under
; CGI/FastCGI.

;PHP作用域:指令[PATH=/www/mysite]仅仅适用于目录/www/mysite中的php文件; [HOST=www.example.com]仅仅对www.example.com中 的php文件起作用。目前,[PATH=]和[HOST=]仅仅工作在CGI和FastCGI中。特别的字段不能对用户单独的设置覆盖,即设置以用户单独 设置的为准。
; http://php.com/ini.sections


; Directives are specified using the following syntax:
; directive = value
; Directive names are *case sensitive* - foo=bar is different from FOO=bar.
; Directives are variables used to configure PHP or PHP extensions.
; There is no name validation. If PHP can't find an expected
; directive because it is not set or is mistyped, a default value will be used.

;PHP指令说明:语法:指令=值;指令区分大小写;指令定义的变量用于配置PHP或PHP扩展;无名称验证,如果php找不到指定 的指令或指令配置错误,则启用默认值;

; The value can be a string, a number, a PHP constant (e.g. E_ALL or M_PI), one
; of the INI constants (On, Off, True, False, Yes, No and None) or an expression
; (e.g. E_ALL & ~E_NOTICE), a quoted string ("bar"), or a reference to a
; previously set variable or directive (e.g. ${foo})

; 指令的值可以是:字符串,数字,php常量,INI常量 (On,Off,True,False,Yes,No,None),带引号的字符串,先前设置的变量或者指令引用;

; Expressions in the INI file are limited to bitwise operators and parentheses:
; | bitwise OR
; ^ bitwise XOR
; & bitwise AND
; ~ bitwise NOT
; ! boolean NOT

; Boolean flags can be turned on using the values 1, On, True or Yes.
; They can be turned off using the values 0, Off, False or No.

; An empty string can be denoted by simply not writing anything after the equal
; sign, or by using the None keyword:

; foo = ; sets foo to an empty string
; foo = None ; sets foo to an empty string
; foo = "None" ; sets foo to the string 'None'

;表达式限于操作符或者括号| (OR)^(XOR)&(AND)~(NOT)!(NOT);布尔值:真可以是1,On,Ture,Yes假值可以为 0,Off,False,No;空值:可以是None或者空白(即什么都不写);

; If you use constants in your value, and these constants belong to a
; dynamically loaded extension (either a PHP extension or a Zend extension),
; you may only use these constants *after* the line that loads the extension.

;如果你在值中使用常量,并且这些常量属于动态加载的模块(PHP扩展或 Zend扩展),你只能在扩展中加载了后再使用这个变量(即变量要先定义后使用)

;;;;;;;;;;;;;;;;;;;
; About this file ;
;;;;;;;;;;;;;;;;;;;
; PHP comes packaged with two INI files. One that is recommended to be used
; in production environments and one that is recommended to be used in
; development environments.

; php.ini-production contains settings which hold security, performance and
; best practices at its core. But please be aware, these settings may break
; compatibility with older or less security conscience applications. We
; recommending using the production ini in production and testing environments.

; php.ini-development is very similar to its production variant, except it's
; much more verbose when it comes to errors. We recommending using the
; development version only in development environments as errors shown to
; application users can inadvertently leak otherwise secure information.
;PHP自带了两个文件,一个用于生产环境,另一个用于开发环境。php.ini-production在内核中包含了安全,性能和 最佳做法的设置;但是请注意,这些设置可能破坏和老版本的兼容性和极少的安全良心应用;我们建议在生产和测试环境中使用此文件。php.ini- development和生产版本非常相似,除了它出错后提供的详细信息;建议仅在开发环境中使用此文件,否则错误输出到程序导致用户在不经意间泄露安全 信息。
;;;;;;;;;;;;;;;;;;;
; Quick Reference ;
;;;;;;;;;;;;;;;;;;;
; The following are all the settings which are different in either the production
; or development versions of the INIs with respect to PHP's default behavior.
; Please see the actual settings later in the document for more details as to why
; we recommend these changes in PHP's behavior.

; 快速参考
;以下是关于在INI文件中生产和开发环境中的默认行为的区别。请查看文档后面的实际设置来得到更多详细的信息,从而可以看出我们做这些 变化的原因。

; allow_call_time_pass_reference
; Default Value: On
; Development Value: Off
; Production Value: Off
; allow_call_time_pass_reference 在函数调用时参数被按照引用传递时是否发出警告。默认ON开启,开发环境中是OFF,正式发布环境中是OFF

; display_errors
; Default Value: On
; Development Value: On
; Production Value: Off
; display_errors 显示所有错误信息,默认ON开启,开发环境中是on,正式发布环境中是off

; display_startup_errors
; Default Value: Off
; Development Value: On
; Production Value: Off
; display_startup_errors 显示PHP启动过程中的错误信息 默认off,开发环境中是on,正式发布环境中是off

; error_reporting
; Default Value: E_ALL & ~E_NOTICE
; Development Value: E_ALL | E_STRICT
; Production Value: E_ALL & ~E_DEPRECATED

; html_errors
; Default Value: On
; Development Value: On
; Production value: Off

; html_errors 在错误信息中关闭HTML标签 默认on,开发环境中是on,正式发布环境中是off

; log_errors
; Default Value: Off
; Development Value: On
; Production Value: On

;log_errors 设置是否将脚本运行的错误信息记录到服务器错误日志或者error_log之中 默认off,开发环境on,正式发布环境on

; magic_quotes_gpc
; Default Value: On
; Development Value: Off
; Production Value: Off

;magic_quotes_gpc 设置是否自动为GPC(get,post,cookie)传来的数据中的\'\"\\加上反斜线进行转义 默认on,开发环境off,正式发布环境off

; max_input_time
; Default Value: -1 (Unlimited)
; Development Value: 60 (60 seconds)
; Production Value: 60 (60 seconds)

; max_input_time 设置POST、GET以及PUT方式接收数据时间限制 默认-1 不限制,开发环境60秒,正式发布环境60秒

; output_buffering
; Default Value: Off
; Development Value: 4096
; Production Value: 4096

; output_buffering 设置输出缓存限制 off:关闭PHP输出缓存,On: 打开无限大的输出缓存; 默认off,开发环境打开大小为4096Byte的输出缓存

; register_argc_argv
; Default Value: On
; Development Value: Off
; Production Value: Off

; register_argc_argv 设置是否能够给脚本传递参数 默认on,开发环境off,正式发布环境off

; register_long_arrays
; Default Value: On
; Development Value: Off
; Production Value: Off

; register_long_arrays 设定 PHP 是否注册已过时的 $HTTP_*_VARS 之类的预定义变量 默认on,开发环境off,正式发布环境off

; request_order
; Default Value: None
; Development Value: "GP"
; Production Value: "GP"

; request_order PHP注册GET,POST和COOKIE变量的REQUEST数组的值。注册是由左到右,新的值将覆盖旧值。 默认为none,开发环境为GP,正式环境为GP GP表示$_REQUEST只包含$_GET和$_POST而不包括$_COOKIE

; session.bug_compat_42
; Default Value: On
; Development Value: On
; Production Value: Off
;session.bug_compat_42 设定register_globals被禁用的情况下,是否允许您初始一个处于全局的session变量;默认on,开发环境on,正式发布环境off

; session.bug_compat_warn
; Default Value: On
; Development Value: On
; Production Value: Off

;session.bug_compat_warn设定register_globals被禁用的情况下,是否允许在初始一个处于全局的session变量时,显示警告信息;默认on,开发环境on,正式发布环境off

; session.gc_divisor
; Default Value: 100
; Development Value: 1000
; Production Value: 1000
;session.gc_divisor 设置会话初始化时启动 gc(garbage collection 垃圾回收)进程的概率的除数。session.gc_divisor 与 session.gc_probability 合起来定义了在每个会话初始化时启动 gc(garbage collection 垃圾回收)进程的概率。此概率用 gc_probability/gc_divisor 计算得来。例如 1/100 意味着在每个请求中有 1% 的概率启动 gc 进程。

; session.hash_bits_per_character
; Default Value: 4
; Development Value: 5
; Production Value: 5
;session.hash_bits_per_character允许用户定义将二进制散列数据转换为可读的格式时每个字符存放多少个比特。

; short_open_tag
; Default Value: On
; Development Value: Off
; Production Value: Off
;short_open_tag 设定是否允许 标签被认为是PHP脚本.

; track_errors
; Default Value: Off
; Development Value: On
; Production Value: Off
; track_errors 设定是否在$php_errormsg中存储错误/警告信息

; url_rewriter.tags
; Default Value: "a=href,area=href,frame=src,form=,fieldset="
; Development Value: "a=href,area=href,frame=src,input=src,form=fakeentry"
; Production Value: "a=href,area=href,frame=src,input=src,form=fakeentry"

;url_rewriter.tags 指定在使用透明 SID 支持时哪些 HTML 标记会被修改以加入会话 ID;

; variables_order
; Default Value: "EGPCS"
; Development Value: "GPCS"
; Production Value: "GPCS"
; variables_order 指定PHP记录GET,POST,Cookie,Environment和Built-in这些变量的顺序;以G,P,C,E和S代表,通常以EGPCS或GPC的方式引用,按从左到右记录,最新的记录覆盖较旧的

;;;;;;;;;;;;;;;;;;;;
; php.ini Options ;
;;;;;;;;;;;;;;;;;;;;
; Name for user-defined php.ini (.htaccess) files. Default is ".user.ini"
;user_ini.filename = ".user.ini"
;用户可以自定义的php.ini文件(。htaccess文件)的名称。默认值是“.user.ini”

; To disable this feature set this option to empty value
;user_ini.filename =


; TTL for user-defined php.ini files (time-to-live) in seconds. Default is 300 seconds (5 minutes)
;user_ini.cache_ttl = 300

;读取.user.ini后会缓存起来,根据user_ini.cache_ttl确定重新读取的时间

;;;;;;;;;;;;;;;;;;;;
; Language Options ;
;;;;;;;;;;;;;;;;;;;;

;是否使PHP脚本语言在Apache服务器下有效
; Enable the PHP scripting language engine under Apache.
; http://php.com/engine
engine = On


; This directive determines whether or not PHP will recognize code between
; tags as PHP source which should be processed as such. It's been
; recommended for several years that you not use the short tag "short cut" and
; instead to use the full tag combination. With the wide spread use
; of XML and use of these tags by other languages, the server can become easily
; confused and end up parsing the wrong code in the wrong context. But because
; this short cut has been a feature for such a long time, it's currently still
; supported for backwards compatibility, but we recommend you don't use them.
; Default Value: On
; Development Value: Off
; Production Value: Off
; http://php.com/short-open-tag
short_open_tag = Off

; short_open_tag 是否允许使用""短标识。否则必须使用""长标识。
; 除非你的php程序仅在受控环境下运行,且只供自己使用,否则请不要使用短标记。
; 如果要和XML结合使用PHP,可以选择关闭此选项以方便直接嵌入"",
; 不然你必须用PHP来输出:
; 本指令也会影响到缩写形式"


; Allow ASP-style <% %> tags.
; http://php.com/asp-tags
asp_tags = Off

; 是否允许ASP风格的标记"<% %>",这也会影响到缩写形式"<%="。
; PHP6中将删除此指令

; The number of significant digits displayed in floating point numbers.
; http://php.com/precision
precision = 14
; 浮点型数据显示的有效位数。

; Enforce year 2000 compliance (will cause problems with non-compliant browsers)
; http://php.com/y2k-compliance

y2k_compliance = On

; 是否强制打开2000年适应(可能在非Y2K适应的浏览器中导致问题)。

; Output buffering is a mechanism for controlling how much output data
; (excluding headers and cookies) PHP should keep internally before pushing that
; data to the client. If your application's output exceeds this setting, PHP
; will send that data in chunks of roughly the size you specify.
; Turning on this setting and managing its maximum buffer size can yield some
; interesting side-effects depending on your application and web server.
; You may be able to send headers and cookies after you've already sent output
; through print or echo. You also may see performance benefits if your server is
; emitting less packets due to buffered output versus PHP streaming the output
; as it gets it. On production servers, 4096 bytes is a good setting for performance
; reasons.
; Note: Output buffering can also be controlled via Output Buffering Control
; functions.
; Possible Values:
; On = Enabled and buffer is unlimited. (Use with caution)
; Off = Disabled
; Integer = Enables the buffer and sets its maximum size in bytes.
; Note: This directive is hardcoded to Off for the CLI SAPI
; Default Value: Off
; Development Value: 4096
; Production Value: 4096
; http://php.com/output-buffering
output_buffering = 4096

; 输出缓冲区大小(字节)。建议值为4096~8192。
; 输出缓冲允许你甚至在输出正文内容之后再发送HTTP头(包括cookies)。
; 其代价是输出层减慢一点点速度。
; 设置输出缓冲可以减少写入,有时还能减少网络数据包的发送。
; 这个参数的实际收益很大程度上取决于你使用的是什么Web服务器以及什么样的脚本。

; You can redirect all of the output of your scripts to a function. For
; example, if you set output_handler to "mb_output_handler", character
; encoding will be transparently converted to the specified encoding.
; Setting any output handler automatically turns on output buffering.
; Note: People who wrote portable scripts should not depend on this ini
; directive. Instead, explicitly set the output handler using ob_start().
; Using this ini directive may cause problems unless you know what script
; is doing.
; Note: You cannot use both "mb_output_handler" with "ob_iconv_handler"
; and you cannot use both "ob_gzhandler" and "zlib.output_compression".
; Note: output_handler must be empty if this is set 'On' !!!!
; Instead you must use zlib.output_handler.
; http://php.com/output-handler
;output_handler =

  ; 将所有脚本的输出重定向到一个输出处理函数。
  ; 比如,重定向到mb_output_handler()函数时,字符编码将被透明地转换为指定的编码。
  ; 一旦你在这里指定了输出处理程序,输出缓冲将被自动打开(output_buffering=4096)。
  ; 注意0: 此处仅能使用PHP内置的函数,自定义函数应在脚本中使用ob_start()指定。
  ; 注意1: 可移植脚本不能依赖该指令,而应使用ob_start()函数明确指定输出处理函数。
  ; 使用这个指令可能会导致某些你不熟悉的脚本出错。
  ; 注意2: 你不能同时使用"mb_output_handler"和"ob_iconv_handler"两个输出处理函数。
  ; 你也不能同时使用"ob_gzhandler"输出处理函数和zlib.output_compression指令。
  ; 注意3: 如果使用zlib.output_handler指令开启zlib输出压缩,该指令必须为空。
; Transparent output compression using the zlib library
; Valid values for this option are 'off', 'on', or a specific buffer size
; to be used for compression (default is 4KB)
; Note: Resulting chunk size may vary due to nature of compression. PHP
; outputs chunks that are few hundreds bytes each as a result of
; compression. If you prefer a larger chunk size for better
; performance, enable output_buffering in addition.
; Note: You need to use zlib.output_handler instead of the standard
; output_handler, or otherwise the output will be corrupted.
; http://php.com/zlib.output-compression
zlib.output_compression = Off


; http://php.com/zlib.output-compression-level
;zlib.output_compression_level = -1

; 使用zlib库对输出进行压缩
; 对此选项的有效值是 'off', 'on', 或者字节数 (用来压缩的缓冲大小 , 默认是 4KB)
; 注意: 结果的chunk大小可能由于压缩对象的大小而不同.
; PHP输出块的大小一般压缩之后每个大小时几百个字节.
; 如果你希望藉由一个大块的堆大小来获取更好的性能, 需要额外的打开 output_buffering 选项.
; 注意: 你必须使用 zlib.output_handler 来替代标准的
; output_handler, 否则输出可能会有问题.

; You cannot specify additional output handlers if zlib.output_compression
; is activated here. This setting does the same as output_handler but in
; a different order.
; http://php.com/zlib.output-handler
;zlib.output_handler =

; 这里激活 zlib.output_compression 之后,你无法再指定额外的输出处理.
; 这个设置和 output_handler 一样,但是处理顺序不同.


; Implicit flush tells PHP to tell the output layer to flush itself
; automatically after every output block. This is equivalent to calling the
; PHP function flush() after each and every call to print() or echo() and each
; and every HTML block. Turning this option on has serious performance
; implications and is generally recommended for debugging purposes only.
; http://php.com/implicit-flush
; Note: This directive is hardcoded to On for the CLI SAPI
implicit_flush = Off

; 是否要求PHP输出层在每个输出块之后自动刷新数据。
; 这等效于在每个 print()、echo()、HTML块 之后自动调用flush()函数。
; 打开这个选项对程序执行的性能有严重的影响,通常只推荐在调试时使用。
; 在CLI SAPI的执行模式下,该指令默认为 On 。

; The unserialize callback function will be called (with the undefined class'
; name as parameter), if the unserializer finds an undefined class
; which should be instantiated. A warning appears if the specified function is
; not defined, or if the function doesn't include/implement the missing class.
; So only set this entry, if you really want to implement such a
; callback-function.
unserialize_callback_func =

; 如果解序列化处理器需要实例化一个未定义的类,
; 这里指定的回调函数将以该未定义类的名字作为参数被unserialize()调用,
; 以免得到不完整的"__PHP_Incomplete_Class"对象。
; 如果这里没有指定函数,或指定的函数不包含(或实现)那个未定义的类,将会显示警告信息。
; 所以仅在确实需要实现这样的回调函数时才设置该指令。
; 若要禁止这个特性,只需置空即可。

; When floats & doubles are serialized store serialize_precision significant
; digits after the floating point. The default value ensures that when floats
; are decoded with unserialize, the data will remain the same.
serialize_precision = 17
; 将浮点型和双精度型数据序列化存储时的精度(有效位数)。
; 默认值能够确保浮点型数据被解序列化程序解码时不会丢失数据。

; This directive allows you to enable and disable warnings which PHP will issue
; if you pass a value by reference at function call time. Passing values by
; reference at function call time is a deprecated feature which will be removed
; from PHP at some point in the near future. The acceptable method for passing a
; value by reference to a function is by declaring the reference in the functions
; definition, not at call time. This directive does not disable this feature, it
; only determines whether PHP will warn you about it or not. These warnings
; should enabled in development environments only.
; Default Value: On (Suppress warnings)
; Development Value: Off (Issue warnings)
; Production Value: Off (Issue warnings)
; http://php.com/allow-call-time-pass-reference
allow_call_time_pass_reference = Off

; 是否**在函数调用时按引用传递参数(每次使用此特性都会收到一条警告)。
; php反对这种做法,并在PHP6里删除了该指令(相当于设为Off),因为它影响到了代码的整洁。
; 鼓励的方法是在函数声明里明确指定哪些参数按引用传递。
; 我们鼓励你关闭这一选项,以保证你的脚本在将来版本的语言里仍能正常工作。

; Safe Mode
; http://php.com/safe-mode
safe_mode = Off
; 是否启用安全模式。
; 打开时,PHP将检查当前脚本的拥有者是否和被操作的文件的拥有者相同,
;相同则允许操作,不同则拒绝操作。


; By default, Safe Mode does a UID compare check when
; opening files. If you want to relax this to a GID compare,
; then turn on safe_mode_gid.
; http://php.com/safe-mode-gid
safe_mode_gid = Off

; 在安全模式下,默认在访问文件时会做UID比较检查。
; 但有些情况下严格的UID检查反而是不适合的,宽松的GID检查已经足够。
; 如果你想将其放宽到仅做GID比较,可以打开这个参数。


; When safe_mode is on, UID/GID checks are bypassed when
; including files from this directory and its subdirectories.
; (directory must also be in include_path or full path must
; be used when including)
; http://php.com/safe-mode-include-dir
safe_mode_include_dir =

; When safe_mode is on, only executables located in the safe_mode_exec_dir
; will be allowed to be executed via the exec family of functions.
; http://php.com/safe-mode-exec-dir
safe_mode_exec_dir =

; 在安全模式下,只有该目录下的可执行程序才允许被执行系统程序的函数执行。
; 这些函数是:system, escapeshellarg, escapeshellcmd, exec, passthru,


; Setting certain environment variables may be a potential security breach.
; This directive contains a comma-delimited list of prefixes. In Safe Mode,
; the user may only alter environment variables whose names begin with the
; prefixes supplied here. By default, users will only be able to set
; environment variables that begin with PHP_ (e.g. PHP_FOO=BAR).
; Note: If this directive is empty, PHP will let the user modify ANY
; environment variable!
; http://php.com/safe-mode-allowed-env-vars
safe_mode_allowed_env_vars = PHP_

; 在安全模式下,用户仅可以更改的环境变量的前缀列表(逗号分隔)。
; 允许用户设置某些环境变量,可能会导致潜在的安全漏洞。
; 注意: 如果这一参数值为空,PHP将允许用户更改任意环境变量!

; This directive contains a comma-delimited list of environment variables that
; the end user won't be able to change using putenv(). These variables will be
; protected even if safe_mode_allowed_env_vars is set to allow to change them.
; http://php.com/safe-mode-protected-env-vars
safe_mode_protected_env_vars = LD_LIBRARY_PATH

; 在安全模式下,用户不能更改的环境变量列表(逗号分隔)。
; 这些变量即使在safe_mode_allowed_env_vars指令设置为允许的情况下也会得到保护。

; open_basedir, if set, limits all file operations to the defined directory
; and below. This directive makes most sense if used in a per-directory
; or per-virtualhost web server configuration file. This directive is
; *NOT* affected by whether Safe Mode is turned On or Off.
; http://php.com/open-basedir
;open_basedir =

; 将PHP允许操作的所有文件(包括文件自身)都限制在此组目录列表下。
; 当一个脚本试图打开一个指定目录树之外的文件时,将遭到拒绝。
; 所有的符号连接都会被解析,所以不可能通过符号连接来避开此限制。
; 特殊值'.'指定了存放该脚本的目录将被当做基准目录,
; 但这有些危险,因为脚本的工作目录可以轻易被chdir()改变。
; 对于共享服务器,在httpd.conf中针对不同的虚拟主机或目录灵活设置该指令将变得非常有用。
;在Windows中用分号分隔目录,UNIX系统中用冒号分隔目录。
; 作为Apache模块时,父目录中的open_basedir路径将自动被继承。
; 指定的限制实际上是一个前缀,而非一个目录名,
; 也就是说"/dir/incl"将允许访问"/dir/include"和"/dir/incls",
; 如果您希望将访问控制在一个指定的目录,那么请在结尾加上一个斜线。
; 默认是允许打开所有文件。

; This directive allows you to disable certain functions for security reasons.
; It receives a comma-delimited list of function names. This directive is
; *NOT* affected by whether Safe Mode is turned On or Off.
; http://php.com/disable-functions
disable_functions =

; disable_functions 指令接受一个用逗号分隔的函数名列表,以禁用特定的函数。


; This directive allows you to disable certain classes for security reasons.
; It receives a comma-delimited list of class names. This directive is
; *NOT* affected by whether Safe Mode is turned On or Off.
; http://php.com/disable-classes
disable_classes =

; disable_classes 指令接受一个用逗号分隔的类名列表,以禁用特定的类。

; Colors for Syntax Highlighting mode. Anything that's acceptable in
; would work.
; http://php.com/syntax-highlighting
;highlight.string = #DD0000
;highlight.comment = #FF9900
;highlight.keyword = #007700
;highlight.bg = #FFFFFF
;highlight.default = #0000BB
;highlight.html = #000000

; 语法高亮模式的色彩(通常用于显示 .phps 文件)。
; 只要能被接受的东西就能正常工作。


; If enabled, the request will be allowed to complete even if the user aborts
; the request. Consider enabling it if executing long requests, which may end up
; being interrupted by the user or a browser timing out. PHP's default behavior
; is to disable this feature.
; http://php.com/ignore-user-abort
;ignore_user_abort = On

; 是否即使在用户中止请求后也坚持完成整个请求。
; 在执行一个长请求的时候应当考虑打开该它,
; 因为长请求可能会导致用户中途中止或浏览器超时。


; Determines the size of the realpath cache to be used by PHP. This value should
; be increased on systems where PHP opens many files to reflect the quantity of
; the file operations performed.
; http://php.com/realpath-cache-size
;realpath_cache_size = 16k

;;realpath_cache_size 指定PHP使用的realpath(规范化的绝对路径名)缓冲区大小。
; 在PHP打开大量文件的系统上应当增大该值以提高性能。


; Duration of time, in seconds for which to cache realpath information for a given
; file or directory. For systems with rarely changing files, consider increasing this
; value.
; http://php.com/realpath-cache-ttl
;realpath_cache_ttl = 120

; realpath缓冲区中信息的有效期(秒)。
; 对文件很少变动的系统,可以增大该值以提高性能。


; Enables or disables the circular reference collector.
; http://php.com/zend.enable-gc
zend.enable_gc = On

;设定是否开启PHP的垃圾回收机制

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