PHP configuration file php.ini Chinese annotation version

This file controls many aspects of PHP's perspective. In order for PHP to read this file, it must be named

; ´php.ini´. PHP will locate the file in turn: current working directory; environment variable PHPRC

; The specified path, the path specified at compile time.

; Under Windows, the path at compile time is the Windows installation directory.

; In command line mode, the php.ini lookup path can be replaced with the-c parameter.

; The syntax for this file is very simple. White-space characters and lines starting with a semicolon ´;´ are simply ignored (as you might

; guessed). Chapter headings (For example: [Foo]) are also simply ignored, even though they may

; Have some kind of meaning.

;

; Indicates that the following syntax is specified:

; Indicates an identifier = value

; directive = value

; Indicates that the identifier is * case sensitive *-Foo=bar is different from foo = bar.

;

; The value can be a string, a number, a PHP constant (such as: E_all or M_PI), and the INI constant

; One (on, off, True, False, Yes, No and None), or an expression

; (such as: E_all & ~e_notice), or a string enclosed in quotes ("foo").

;

; INI file is limited to bitwise operators and parentheses.

; Bitwise OR

; & Bitwise AND

; ~ Bitwise NOT

; ! Boolean not

;

; Boolean flags can be placed in the open state with 1, on, True or Yes.

; They can be placed on a state that has a value of 0, off, False, or No.

;

; An empty string can be represented by an equal sign without writing anything, or with the None keyword:

;

; Foo =; Place Foo as an empty string

; foo = none; Place Foo as an empty string

; Foo = "None"; Place Foo as a string ´none´

;

; If you use constants in your value settings, these constants belong to the extended libraries that are dynamically transferred (not PHP extensions, or

; Zend extension), you can only transfer these extended rows * and use these constants.

;

; All the values set in the Php.ini-dist file are the same as the built-in defaults (which is to say that if the php.ini

; is not used or you have deleted these lines, the default value is the same.

;;;;;;;;;;;;;;;;;;;;

; Language Options;

;;;;;;;;;;;;;;;;;;;;

Engine = On

; Make PHP scripting language engine (PHP scripting language Engine) valid under Apache.

Short_open_tag = On

; Allowed? Identification (this simple representation). Otherwise only

Asp_tags = Off

; Allow Asp-style <%%> tags

Precision = 14

; Number of significant digits when the number of floating-point types is displayed

Y2k_compliance = Off

; Whether to open the 2000 adaptation (may cause problems in a Y2K-adapted browser)

Output_buffering = Off

; Output caching allows you to even send headers (headers, including cookies) after the body content is exported.

; The cost is that the output layer slows down a little bit. You can use the output cache to open the output cache at run time,

; or set the indication here to on so that the output cache for all files is open.

Implicit_flush = Off

; Force flush (refresh) Let PHP tell the output layer to automatically refresh its own data after each output block.

; This is equivalent to calling the flush () function after each print () or echo () call and each HTML block.

; Opening this setting can cause serious run-time conflicts and is recommended for opening only during Debug.

Allow_call_time_pass_reference = On

; Whether to pass arguments by reference when forcing a function call. This approach has been protested,

; and may no longer be supported in future versions of Php/zend.

; The method that is encouraged to specify which parameters are passed by reference is in the function declaration.

; You are encouraged to try to close this option and confirm that your script is still working to ensure that in future versions of the language

; They can still work. (You will get a warning each time you use this feature, and the parameters will be by value instead of by reference

; Delivery).

; Safe Mode

Safe_mode = Off

Safe_mode_exec_dir =

Safe_mode_allowed_env_vars = Php_

; ？ Setting Certain environment variables

; ？ May is a potential security breach.

; The indication contains a comma-delimited list of prefixes. In Safe mode, users can only replace

; The value of the environment variable that starts with the prefix listed here.

; By default, users will only be able to set environment variables that start with PHP_, (such as: Php_foo=bar).

; Note: If this indicator is empty, PHP will let the user change any environment variable!

Safe_mode_protected_env_vars = Ld_library_path

; This instruction contains a comma-delimited list of environment variables that the end user will not be able to change with putenv ().

; These variables are even protected when the Safe_mode_allowed_env_vars is set to allow.

Disable_functions =

; This instruction allows you to invalidate a particular function for security reasons.

; It accepts a comma-delimited list of function names.

; This indication * is not affected by whether the Safe mode is open.

; Syntax highlighting mode of color.

; As long as you can be

highlight.string = #DD0000

Highlight.comment = #FF8000

Highlight.keyword = #007700

highlight.bg = #FFFFFF

Highlight.default = #0000BB

highlight.html = #000000

; Misc Miscellaneous

expose_php = Off

; Decide whether PHP will indicate the fact that it's installed on the server (for example: add it to the-php-Web service

; sent on the signal).

; (My personal opinion, in the presence of what power-by header, turn this off.) ）

; It doesn't have a security threat, but it makes it possible to check if PHP is installed on your server.

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