Php. ini configuration, php. ini php-5.2.0 configuration instructions

Php. detailed instructions on php-5.2.0 configuration in ini; author: kingbu ;;;;;;;;;;;;;;;;;; copyright statement ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; BUG report, discussion and discussion;

Detailed explanation of php-5.2.0 configuration commands in php. ini
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; Author: jin bu guo
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; BUG reports, discussions and discussions ;;
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; Introduction ;;
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This article is not a brief translation of the English version of php. ini, but a reference to a lot of materials, combined with their own understanding,
Added some practical module configuration clarification based on the original php. ini, and adjusted the file content arrangement.
Because the author does not like "no-free", the configuration options of other database modules except MySQL and PostgreSQL are deleted.

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; About php. ini ;;
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The file must be named \ 'php. ini \ 'and placed in the directory specified by the PHPIniDir command in httpd. conf.
The latest version of php. ini can be viewed in the following two statuses:
;Http://cvs.php.net/viewvc.cgi/php-src/php.ini-recommended? View = co
;Http://cvs.php.net/viewvc.cgi/php-src/php.ini-dist? View = co

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; Syntax ;;
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; The syntax of this file is very simple. The vacant characters and the line starting with a semicolon are neglected.
Chapter titles (for example, [php]) are also neglected, even if they may make some sense in the future.
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The command format is as follows:
; Directive = value
; Directive name (direve VE) is case sensitive! Therefore, \ "foo = bar \" is different from \ "FOO = bar \".
; Value can be:
; 1. a string defined by quotation marks (for example, \ "foo \")
; 2. a Number (integer or floating point number, such as: 0, 1, 34,-1, 33.55)
3. a PHP constant (for example, E_ALL, M_PI)
4. an INI constant (On, Off, none)
; 5. an expression (for example, E_ALL &~ E_NOTICE)
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The expressions in the INI file only apply: Bit Operators, non-logical operators, and parentheses:
; | Bit or
; & Bit and
;~ Bitwise
;! Non-logical
;
; Boolean mark is opened by the On expression, and closed by the Off expression.
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An empty string can be used after the equal sign without writing anything, or use the none keyword:
; Foo =; set foo as an empty string
; Foo = none; set foo as an empty string
; Foo = \ "none \"; set foo to string \ 'none \'
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If you apply a constant in the command value of dynamic expansion (PHP expansion or Zend expansion,
Then you can only apply these constants after loading these dynamically expanded command lines.

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You can also overwrite the php. ini value in httpd. conf for more flexible configuration: