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Philip Olson
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1 changed files with 123 additions and 109 deletions
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@ -1,5 +1,5 @@
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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.87 $ -->
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<!-- $Revision: 1.88 $ -->
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<reference id="ref.info">
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<title>PHP options & information</title>
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<titleabbrev>PHP options/info</titleabbrev>
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@ -1490,102 +1490,115 @@ phpcredits(CREDITS_GROUP + CREDITS_DOCS + CREDITS_FULLPAGE);
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<title>Description</title>
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<funcsynopsis>
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<funcprototype>
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<funcdef>int <function>phpinfo</function></funcdef>
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<paramdef>int <parameter><optional>what</optional></parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<para>
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Outputs a large amount of information about the current state of
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PHP. This includes information about PHP compilation options and
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extensions, the PHP version, server information and environment
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(if compiled as a module), the PHP environment, OS version
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information, paths, master and local values of configuration
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options, HTTP headers, and the PHP License.
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</para>
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<para>
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Because every system is setup differently, <function>phpinfo</function>
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is commonly used to check <link linkend="configuration">configuration
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settings</link> and for available
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<link linkend="language.variables.predefined">predefined variables</link>
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on a given system. Also, <function>phpinfo</function> is a valuable
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debugging tool as it contains all EGPCS (Environment, GET, POST,
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Cookie, Server) data.
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</para>
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<para>
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The output may be customized by passing one or more of the following
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<emphasis>constants</emphasis> bitwise values summed together in the
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optional <parameter>what</parameter> parameter. One can also combine
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the respective constants or bitwise values together with the
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<link linkend="language.operators.bitwise">or</link> operator.
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<funcdef>int <function>phpinfo</function></funcdef>
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<paramdef>int <parameter><optional>what</optional></parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<para>
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Outputs a large amount of information about the current state of
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PHP. This includes information about PHP compilation options and
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extensions, the PHP version, server information and environment
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(if compiled as a module), the PHP environment, OS version
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information, paths, master and local values of configuration
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options, HTTP headers, and the PHP License.
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</para>
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<para>
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Because every system is setup differently, <function>phpinfo</function>
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is commonly used to check <link linkend="configuration">configuration
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settings</link> and for available
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<link linkend="language.variables.predefined">predefined variables</link>
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on a given system. Also, <function>phpinfo</function> is a valuable
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debugging tool as it contains all EGPCS (Environment, GET, POST,
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Cookie, Server) data.
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</para>
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<para>
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The output may be customized by passing one or more of the following
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<emphasis>constants</emphasis> bitwise values summed together in the
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optional <parameter>what</parameter> parameter. One can also combine
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the respective constants or bitwise values together with the
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<link linkend="language.operators.bitwise">or</link> operator.
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<table>
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<title><function>phpinfo</function> options</title>
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<tgroup cols="3">
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<thead>
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<row>
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<entry>Name (constant)</entry>
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<entry>Bitwise value</entry>
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<entry>Description</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>INFO_GENERAL</entry>
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<entry>1</entry>
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<entry>The configuration line, php.ini location, build date,
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Web Server, System and more.
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</entry>
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</row>
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<row>
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<entry>INFO_CREDITS</entry>
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<entry>2</entry>
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<entry>PHP 4 Credits. See also <function>phpcredits</function>.</entry>
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</row>
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<row>
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<entry>INFO_CONFIGURATION</entry>
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<entry>4</entry>
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<entry>Current Local and Master values for php directives.
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See also <function>ini_get</function>.</entry>
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</row>
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<row>
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<entry>INFO_MODULES</entry>
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<entry>8</entry>
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<entry>Loaded modules and there respective settings.</entry>
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</row>
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<row>
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<entry>INFO_ENVIRONMENT</entry>
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<entry>16</entry>
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<entry>Environment Variable information that's also
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available in <varname>$_ENV</varname>.</entry>
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</row>
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<row>
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<entry>INFO_VARIABLES</entry>
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<entry>32</entry>
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<entry>Shows all predefined variables, from EGPCS
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(Environment, GET, POST, Cookie, Server).
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</entry>
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</row>
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<row>
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<entry>INFO_LICENSE</entry>
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<entry>64</entry>
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<entry>PHP License information. See also the
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<ulink url="&url.php.license;">license faq</ulink>.
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</entry>
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</row>
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<row>
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<entry>INFO_ALL</entry>
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<entry>-1</entry>
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<entry>Shows all of the above. This is the default.
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</entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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</para>
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<para>
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<example>
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<title><function>phpinfo</function> examples</title>
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<programlisting role="php">
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<table>
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<title><function>phpinfo</function> options</title>
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<tgroup cols="3">
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<thead>
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<row>
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<entry>Name (constant)</entry>
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<entry>Value</entry>
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<entry>Description</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>INFO_GENERAL</entry>
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<entry>1</entry>
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<entry>
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The configuration line, php.ini location, build date,
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Web Server, System and more.
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</entry>
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</row>
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<row>
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<entry>INFO_CREDITS</entry>
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<entry>2</entry>
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<entry>
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PHP 4 Credits. See also <function>phpcredits</function>.
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</entry>
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</row>
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<row>
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<entry>INFO_CONFIGURATION</entry>
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<entry>4</entry>
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<entry>
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Current Local and Master values for php directives.
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See also <function>ini_get</function>.
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</entry>
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</row>
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<row>
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<entry>INFO_MODULES</entry>
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<entry>8</entry>
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<entry>
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Loaded modules and there respective settings.
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</entry>
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</row>
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<row>
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<entry>INFO_ENVIRONMENT</entry>
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<entry>16</entry>
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<entry>
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Environment Variable information that's also available
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in <varname>$_ENV</varname>.
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</entry>
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</row>
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<row>
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<entry>INFO_VARIABLES</entry>
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<entry>32</entry>
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<entry>
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Shows all <link linkend="language.variables.predefined">
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predefined variables</link> from EGPCS (Environment, GET,
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POST, Cookie, Server).
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</entry>
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</row>
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<row>
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<entry>INFO_LICENSE</entry>
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<entry>64</entry>
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<entry>
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PHP License information. See also
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the <ulink url="&url.php.license;">license faq</ulink>.
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</entry>
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</row>
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<row>
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<entry>INFO_ALL</entry>
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<entry>-1</entry>
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<entry>
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Shows all of the above. This is the default value.
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</entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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</para>
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<para>
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<example>
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<title><function>phpinfo</function> examples</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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@ -1602,20 +1615,20 @@ phpinfo(INFO_MODULES);
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</example>
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</para>
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<note>
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<para>
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Parts of the information displayed are disabled when the
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<literal>expose_php</literal> configuration setting is set to
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<literal>off</literal>. This includes the PHP and Zend logos, and the
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credits.
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</para>
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</note>
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<note>
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<para>
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See also <function>phpversion</function>,
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<function>phpcredits</function>, <function>php_logo_guid</function>,
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<function>ini_get</function>, <function>ini_set</function>, and the section
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on <link linkend="language.variables.predefined">Predefined Variables</link>.
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Parts of the information displayed are disabled when the
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<literal>expose_php</literal> configuration setting is set to
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<literal>off</literal>. This includes the PHP and Zend logos, and the
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credits.
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</para>
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</note>
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<para>
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See also <function>phpversion</function>,
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<function>phpcredits</function>, <function>php_logo_guid</function>,
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<function>ini_get</function>, <function>ini_set</function>, and the section
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on <link linkend="language.variables.predefined">Predefined Variables</link>.
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</para>
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</refsect1>
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</refentry>
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@ -1638,7 +1651,8 @@ phpinfo(INFO_MODULES);
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</para>
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<note>
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<para>
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This information is also available in the predefined constant <constant>PHP_VERSION</constant>.
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This information is also available in the predefined constant
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<constant>PHP_VERSION</constant>.
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</para>
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</note>
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<para>
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