Chinese php.ini_PHP tutorial

[PHP] ; PHP is still an evolving tool, and its functions are constantly being reduced; and changes in php.ini settings can reflect considerable changes, ; before using a new PHP version, study the php.ini function Beneficial;;;;;;;;;;;;;;;;;;;;; About this file; ;;;;;;;;;;;;;;;;;;;;; This file controls Views on many aspects of PHP. In order for PHP to read this file, it must be named ; php.ini. PHP will search for the file in these places: the current working directory; the environment variable PHPRC; the path specified; the path specified during compilation. ; Under Windows, the path when compiling is the Windows installation directory. ; In command line mode, the search path of php.ini can be replaced with the -c parameter. ; The syntax of this file is very simple. Whitespace characters and lines starting with a semicolon; are simply ignored (as you might have guessed). Section titles (eg: [Foo]) are also simply ignored, even though they may have some meaning in the future. ; ; directives are specified using the following syntax: ; directive = value ; directive = value ; directive is *case-sensitive* - foo=bar is different from FOO = bar. ; ; 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 ; (eg: E_ALL & ~E_NOTICE), or a quoted string ("foo"). ; ; INI file expressions are restricted to bitwise operators and parentheses. ; | bitwise OR ; & bitwise AND ; ~ bitwise NOT ; ! boolean NOT ; ; Boolean flags are available 1, On, True or Yes. These values ​​are turned on. ; They can be turned off using the values ​​0, Off, False or No. ; ; An empty string can be represented by writing nothing 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" ; Set foo to the string none ; ; If you use constants in value settings, and these constants belong to dynamically loaded extension libraries (not PHP extensions, that is; Zend extensions), you can only call them in These extended lines *after* use these constants. ; ; All values ​​set in the php.ini-dist file are the same as the built-in defaults (that is, if php.ini ; is not used or you delete these lines, the defaults are the same). ;;;;;;;;;;;;;;;;;;;;;; Language options; ;;;;;;;;;;;;;;;;;;;;;; engine = On ; Enable PHP The scripting language engine (PHP scripting language engine) is available under Apache. short_open_tag = On ; Allow 标识（这种简单表示）。否则 仅有