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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@68431 c90b9560-bf6c-de11-be94-00142212c4b1
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Philip Olson 2002-01-23 04:24:26 +00:00
parent eba0daf2cc
commit 66667da010

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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.87 $ -->
<!-- $Revision: 1.88 $ -->
<reference id="ref.info">
<title>PHP options &amp; information</title>
<titleabbrev>PHP options/info</titleabbrev>
@ -1490,102 +1490,115 @@ phpcredits(CREDITS_GROUP + CREDITS_DOCS + CREDITS_FULLPAGE);
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>int <function>phpinfo</function></funcdef>
<paramdef>int <parameter><optional>what</optional></parameter></paramdef>
</funcprototype>
</funcsynopsis>
<para>
Outputs a large amount of information about the current state of
PHP. This includes information about PHP compilation options and
extensions, the PHP version, server information and environment
(if compiled as a module), the PHP environment, OS version
information, paths, master and local values of configuration
options, HTTP headers, and the PHP License.
</para>
<para>
Because every system is setup differently, <function>phpinfo</function>
is commonly used to check <link linkend="configuration">configuration
settings</link> and for available
<link linkend="language.variables.predefined">predefined variables</link>
on a given system. Also, <function>phpinfo</function> is a valuable
debugging tool as it contains all EGPCS (Environment, GET, POST,
Cookie, Server) data.
</para>
<para>
The output may be customized by passing one or more of the following
<emphasis>constants</emphasis> bitwise values summed together in the
optional <parameter>what</parameter> parameter. One can also combine
the respective constants or bitwise values together with the
<link linkend="language.operators.bitwise">or</link> operator.
<funcdef>int <function>phpinfo</function></funcdef>
<paramdef>int <parameter><optional>what</optional></parameter></paramdef>
</funcprototype>
</funcsynopsis>
<para>
Outputs a large amount of information about the current state of
PHP. This includes information about PHP compilation options and
extensions, the PHP version, server information and environment
(if compiled as a module), the PHP environment, OS version
information, paths, master and local values of configuration
options, HTTP headers, and the PHP License.
</para>
<para>
Because every system is setup differently, <function>phpinfo</function>
is commonly used to check <link linkend="configuration">configuration
settings</link> and for available
<link linkend="language.variables.predefined">predefined variables</link>
on a given system. Also, <function>phpinfo</function> is a valuable
debugging tool as it contains all EGPCS (Environment, GET, POST,
Cookie, Server) data.
</para>
<para>
The output may be customized by passing one or more of the following
<emphasis>constants</emphasis> bitwise values summed together in the
optional <parameter>what</parameter> parameter. One can also combine
the respective constants or bitwise values together with the
<link linkend="language.operators.bitwise">or</link> operator.
<table>
<title><function>phpinfo</function> options</title>
<tgroup cols="3">
<thead>
<row>
<entry>Name (constant)</entry>
<entry>Bitwise value</entry>
<entry>Description</entry>
</row>
</thead>
<tbody>
<row>
<entry>INFO_GENERAL</entry>
<entry>1</entry>
<entry>The configuration line, php.ini location, build date,
Web Server, System and more.
</entry>
</row>
<row>
<entry>INFO_CREDITS</entry>
<entry>2</entry>
<entry>PHP 4 Credits. See also <function>phpcredits</function>.</entry>
</row>
<row>
<entry>INFO_CONFIGURATION</entry>
<entry>4</entry>
<entry>Current Local and Master values for php directives.
See also <function>ini_get</function>.</entry>
</row>
<row>
<entry>INFO_MODULES</entry>
<entry>8</entry>
<entry>Loaded modules and there respective settings.</entry>
</row>
<row>
<entry>INFO_ENVIRONMENT</entry>
<entry>16</entry>
<entry>Environment Variable information that's also
available in <varname>$_ENV</varname>.</entry>
</row>
<row>
<entry>INFO_VARIABLES</entry>
<entry>32</entry>
<entry>Shows all predefined variables, from EGPCS
(Environment, GET, POST, Cookie, Server).
</entry>
</row>
<row>
<entry>INFO_LICENSE</entry>
<entry>64</entry>
<entry>PHP License information. See also the
<ulink url="&url.php.license;">license faq</ulink>.
</entry>
</row>
<row>
<entry>INFO_ALL</entry>
<entry>-1</entry>
<entry>Shows all of the above. This is the default.
</entry>
</row>
</tbody>
</tgroup>
</table>
</para>
<para>
<example>
<title><function>phpinfo</function> examples</title>
<programlisting role="php">
<table>
<title><function>phpinfo</function> options</title>
<tgroup cols="3">
<thead>
<row>
<entry>Name (constant)</entry>
<entry>Value</entry>
<entry>Description</entry>
</row>
</thead>
<tbody>
<row>
<entry>INFO_GENERAL</entry>
<entry>1</entry>
<entry>
The configuration line, php.ini location, build date,
Web Server, System and more.
</entry>
</row>
<row>
<entry>INFO_CREDITS</entry>
<entry>2</entry>
<entry>
PHP 4 Credits. See also <function>phpcredits</function>.
</entry>
</row>
<row>
<entry>INFO_CONFIGURATION</entry>
<entry>4</entry>
<entry>
Current Local and Master values for php directives.
See also <function>ini_get</function>.
</entry>
</row>
<row>
<entry>INFO_MODULES</entry>
<entry>8</entry>
<entry>
Loaded modules and there respective settings.
</entry>
</row>
<row>
<entry>INFO_ENVIRONMENT</entry>
<entry>16</entry>
<entry>
Environment Variable information that's also available
in <varname>$_ENV</varname>.
</entry>
</row>
<row>
<entry>INFO_VARIABLES</entry>
<entry>32</entry>
<entry>
Shows all <link linkend="language.variables.predefined">
predefined variables</link> from EGPCS (Environment, GET,
POST, Cookie, Server).
</entry>
</row>
<row>
<entry>INFO_LICENSE</entry>
<entry>64</entry>
<entry>
PHP License information. See also
the <ulink url="&url.php.license;">license faq</ulink>.
</entry>
</row>
<row>
<entry>INFO_ALL</entry>
<entry>-1</entry>
<entry>
Shows all of the above. This is the default value.
</entry>
</row>
</tbody>
</tgroup>
</table>
</para>
<para>
<example>
<title><function>phpinfo</function> examples</title>
<programlisting role="php">
<![CDATA[
<?php
@ -1602,20 +1615,20 @@ phpinfo(INFO_MODULES);
</example>
</para>
<note>
<para>
Parts of the information displayed are disabled when the
<literal>expose_php</literal> configuration setting is set to
<literal>off</literal>. This includes the PHP and Zend logos, and the
credits.
</para>
</note>
<note>
<para>
See also <function>phpversion</function>,
<function>phpcredits</function>, <function>php_logo_guid</function>,
<function>ini_get</function>, <function>ini_set</function>, and the section
on <link linkend="language.variables.predefined">Predefined Variables</link>.
Parts of the information displayed are disabled when the
<literal>expose_php</literal> configuration setting is set to
<literal>off</literal>. This includes the PHP and Zend logos, and the
credits.
</para>
</note>
<para>
See also <function>phpversion</function>,
<function>phpcredits</function>, <function>php_logo_guid</function>,
<function>ini_get</function>, <function>ini_set</function>, and the section
on <link linkend="language.variables.predefined">Predefined Variables</link>.
</para>
</refsect1>
</refentry>
@ -1638,7 +1651,8 @@ phpinfo(INFO_MODULES);
</para>
<note>
<para>
This information is also available in the predefined constant <constant>PHP_VERSION</constant>.
This information is also available in the predefined constant
<constant>PHP_VERSION</constant>.
</para>
</note>
<para>