PHP K�sikirja
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# I. Apache-specific Functions

# Introduction

These functions are only available when running PHP as an Apache module.

> Huomaa: As of PHP 4.3.2, PATH_TRANSLATED is no longer set implicitly under the Apache 2 SAPI in contrast to the situation in Apache 1, where it's set to the same value as the SCRIPT_FILENAME server variable when it's not populated by Apache. This change was made to comply with the CGI specification that PATH_TRANSLATED should only exist if PATH_INFO is defined.

> Apache 2 users may use AcceptPathInfo = On inside `httpd.conf` to define PATH_INFO.

# Installation

For PHP installation on Apache see the installation chapter.

# Runtime Configuration

The behaviour of the Apache PHP module is affected by settings in `php.ini`. Configuration settings from `php.ini` may be overridden by php_flag settings in the server configuration file or local `.htaccess` files.

Esimerkki 1. Turning off PHP parsing for a directory using `.htaccess`

    php_flag engine off

Taulu 1. Apache configuration options

Name | Default | Changeable | Changelog
--- | --- | --- | ---
engine | "1" | PHP_INI_ALL | Available since PHP 4.0.5.
child_terminate | "0" | PHP_INI_ALL | Available since PHP 4.0.5.
last_modified | "0" | PHP_INI_ALL | Available since PHP 4.0.5.
xbithack | "0" | PHP_INI_ALL | Available since PHP 4.0.5.

For further details and definitions of the PHP_INI_* constants, see the Liite H.

Here's a short explanation of the configuration directives.

engine boolean

  Turns PHP parsing on or off. This directive is really only useful in the Apache module version of PHP. It is used by sites that would like to turn PHP parsing on and off on a per-directory or per-virtual server basis. By putting `engine off` in the appropriate places in the `httpd.conf` file, PHP can be enabled or disabled.

child_terminate boolean

  Specify whether PHP scripts may request child process termination on end of request, see also apache_child_terminate().

last_modified boolean

  Send PHP scripts modification date as Last-Modified: header for this request.

xbithack boolean

  Parse files with executable bit set as PHP regardless of their file ending.

# Resource Types

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# Predefined Constants

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Funktiot | Ylös | apache_child_terminate