mirror of
https://github.com/sigmasternchen/php-doc-en
synced 2025-03-16 00:48:54 +00:00
Updating WinCache docs to include information about v1.1.0 features and API's.
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@295806 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Ruslan Yakushev
parent
be4feedda9
commit
0034cb11ce
19 changed files with 416 additions and 4 deletions
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@ -15,7 +15,7 @@
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functionality without any code modifications.
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</para>
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<para>
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The Windows Cache Extension includes 3 different types of caches. The following describes
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The Windows Cache Extension includes 5 different types of caches. The following describes
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the purpose of each cache type and the benefits it provides.
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</para>
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<itemizedlist>
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@ -33,7 +33,7 @@
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</listitem>
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<listitem>
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<para>
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<emphasis>File Cache</emphasis> - Even with the PHP bytecode cache enabled, the PHP engine
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<emphasis>File Cache</emphasis> - Even with the PHP opcode cache enabled, the PHP engine
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has to accesses the script files on a file system. When PHP scripts are stored on a remote
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UNC file share, the file operations introduce a significant performance overhead.
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The Windows Cache Extension for PHP includes a file cache that is used to store the content
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@ -53,6 +53,21 @@
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PHP engine has to perform.
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</para>
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</listitem>
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<listitem>
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<para>
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<emphasis>User Cache (available since version 1.1.0)</emphasis> - PHP scripts can take advantage of
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the shared memory cache by using the user cache API's. PHP objects and variables can be stored in the
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user cache and then re-used on subsequent requests. This can be used to improve performance of PHP scripts
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and to share the data across multiple PHP processes.
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</para>
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</listitem>
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<listitem>
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<para>
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<emphasis>Session Handler (available since version 1.1.0)</emphasis> - The WinCache session handler can be used to
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store the PHP session data in the shared memory cache. This avoids file system operations for reading
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and writing session data, which improves performance when large amound of data is stored in PHP session.
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</para>
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</listitem>
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</itemizedlist>
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</preface>
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@ -138,6 +138,8 @@ Array
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<member><function>wincache_rplist_fileinfo</function></member>
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<member><function>wincache_rplist_meminfo</function></member>
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<member><function>wincache_refresh_if_changed</function></member>
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<member><function>wincache_ucache_meminfo</function></member>
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<member><function>wincache_ucache_info</function></member>
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</simplelist>
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</para>
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</refsect1>
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@ -96,6 +96,8 @@ Array
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<member><function>wincache_rplist_fileinfo</function></member>
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<member><function>wincache_rplist_meminfo</function></member>
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<member><function>wincache_refresh_if_changed</function></member>
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<member><function>wincache_ucache_meminfo</function></member>
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<member><function>wincache_ucache_info</function></member>
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</simplelist>
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</para>
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</refsect1>
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@ -151,6 +151,8 @@ Array
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<member><function>wincache_rplist_fileinfo</function></member>
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<member><function>wincache_rplist_meminfo</function></member>
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<member><function>wincache_refresh_if_changed</function></member>
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<member><function>wincache_ucache_meminfo</function></member>
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<member><function>wincache_ucache_info</function></member>
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</simplelist>
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</para>
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</refsect1>
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@ -96,6 +96,8 @@ Array
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<member><function>wincache_rplist_fileinfo</function></member>
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<member><function>wincache_rplist_meminfo</function></member>
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<member><function>wincache_refresh_if_changed</function></member>
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<member><function>wincache_ucache_meminfo</function></member>
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<member><function>wincache_ucache_info</function></member>
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</simplelist>
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</para>
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</refsect1>
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@ -81,6 +81,8 @@ wincache_refresh_if_changed(array($filename));
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<member><function>wincache_ocache_meminfo</function></member>
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<member><function>wincache_rplist_fileinfo</function></member>
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<member><function>wincache_rplist_meminfo</function></member>
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<member><function>wincache_ucache_meminfo</function></member>
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<member><function>wincache_ucache_info</function></member>
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</simplelist>
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</para>
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</refsect1>
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@ -101,6 +101,8 @@ Array
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<member><function>wincache_ocache_meminfo</function></member>
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<member><function>wincache_rplist_meminfo</function></member>
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<member><function>wincache_refresh_if_changed</function></member>
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<member><function>wincache_ucache_meminfo</function></member>
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<member><function>wincache_ucache_info</function></member>
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</simplelist>
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</para>
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</refsect1>
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@ -96,6 +96,8 @@ Array
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<member><function>wincache_ocache_meminfo</function></member>
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<member><function>wincache_rplist_fileinfo</function></member>
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<member><function>wincache_refresh_if_changed</function></member>
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<member><function>wincache_ucache_meminfo</function></member>
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<member><function>wincache_ucache_info</function></member>
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</simplelist>
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</para>
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</refsect1>
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@ -30,7 +30,7 @@
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<listitem>
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<para>
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Store the variable using this <parameter>key</parameter> name. If a variable with same key is already present the function
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will fail and return false. <parameter>key</parameter> is case sensitive. To override the value even if
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will fail and return <literal>FALSE</literal>. <parameter>key</parameter> is case sensitive. To override the value even if
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<parameter>key</parameter> is present use <function>wincache_ucache_set</function> function instad.
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<parameter>key</parameter> can also take array of name => value pairs where names will be used as keys.
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This can be used to add multiple values in the cache in one operation, thus avoiding race condition.
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@ -118,7 +118,7 @@ string(3) "BAR"
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<programlisting role="php">
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<![CDATA[
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<?php
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$colors_array = array('green' => "5", 'Blue' => "6", 'yellow' => "7", 'cyan' => "8");
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$colors_array = array('green' => '5', 'Blue' => '6', 'yellow' => '7', 'cyan' => '8');
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var_dump(wincache_ucache_add($colors_array));
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var_dump(wincache_ucache_add($colors_array));
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var_dump(wincache_ucache_get('Blue'));
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@ -146,6 +146,8 @@ string(1) "6"
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<member><function>wincache_ucache_delete</function></member>
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<member><function>wincache_ucache_clear</function></member>
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<member><function>wincache_ucache_exists</function></member>
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<member><function>wincache_ucache_meminfo</function></member>
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<member><function>wincache_ucache_info</function></member>
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</simplelist>
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</para>
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</refsect1>
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@ -68,6 +68,8 @@ bool(false)
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<member><function>wincache_ucache_delete</function></member>
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<member><function>wincache_ucache_get</function></member>
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<member><function>wincache_ucache_exists</function></member>
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<member><function>wincache_ucache_meminfo</function></member>
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<member><function>wincache_ucache_info</function></member>
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</simplelist>
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</para>
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</refsect1>
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@ -124,6 +124,8 @@ array(2) { [0]=> string(6) "yellow"
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<member><function>wincache_ucache_get</function></member>
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<member><function>wincache_ucache_clear</function></member>
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<member><function>wincache_ucache_exists</function></member>
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<member><function>wincache_ucache_meminfo</function></member>
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<member><function>wincache_ucache_info</function></member>
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</simplelist>
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</para>
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</refsect1>
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@ -72,6 +72,8 @@ bool(true)
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<member><function>wincache_ucache_get</function></member>
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<member><function>wincache_ucache_clear</function></member>
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<member><function>wincache_ucache_delete</function></member>
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<member><function>wincache_ucache_meminfo</function></member>
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<member><function>wincache_ucache_info</function></member>
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</simplelist>
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</para>
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</refsect1>
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@ -119,6 +119,8 @@ bool(true)
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<member><function>wincache_ucache_delete</function></member>
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<member><function>wincache_ucache_clear</function></member>
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<member><function>wincache_ucache_exists</function></member>
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<member><function>wincache_ucache_meminfo</function></member>
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<member><function>wincache_ucache_info</function></member>
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</simplelist>
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</para>
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</refsect1>
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177
reference/wincache/functions/wincache-ucache-info.xml
Normal file
177
reference/wincache/functions/wincache-ucache-info.xml
Normal file
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@ -0,0 +1,177 @@
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<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision: 295782 $ -->
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<refentry xml:id="function.wincache-ucache-info" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>wincache_ucache_info</refname>
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<refpurpose>
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Retrieves information about data stored in the user cache
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</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>bool</type><methodname>wincache_ucache_info</methodname>
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<void/>
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</methodsynopsis>
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<para>
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Retrieves information about data stored in the user cache.
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Array of meta data about user cache &return.falseforfailure;
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</para>
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<para>
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The array returned by this function contains the following elements:
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<itemizedlist spacing="compact">
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<listitem>
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<simpara>
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<literal>total_cache_uptime</literal> - total time in seconds that the user cache has been active
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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<literal>total_item_count</literal> - total number of elements that are currently in the user cache
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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<literal>total_hit_count</literal> - number of times the data has been served from the cache
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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<literal>total_miss_count</literal> - number of times the data has not been found in the cache
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</simpara>
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</listitem>
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<listitem>
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<para>
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<literal>file_entries</literal> - an array that contains the information about all the cached items:
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<itemizedlist spacing="compact">
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<listitem>
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<simpara>
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<literal>key_name</literal> - name of the key which is used to store the data
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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<literal>value_type</literal> - type of value stored by the key
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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<literal>use_time</literal> - time in seconds since the file has been accessed in the opcode cache
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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<literal>last_check</literal> - time in seconds since the file has been checked for modifications
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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<literal>is_session</literal> - indicates if the data is a session variable
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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<literal>ttl_seconds</literal> - time remaining for the data to live in the cache, 0 meaning infinite
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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<literal>age_seconds</literal> - time elapsed from the time data has been added in the cache
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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<literal>hitcount</literal> - number of times data has been served from the cache
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</simpara>
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</listitem>
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</itemizedlist>
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</para>
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</listitem>
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</itemizedlist>
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title>Using <function>wincache_ucache_info</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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wincache_ucache_get('green');
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wincache_ucache_set('green', 2922);
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wincache_ucache_get('green');
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wincache_ucache_get('green');
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wincache_ucache_get('green');
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print_r(wincache_ucache_info());
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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Array
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( [total_cache_uptime] => 0
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[is_local_cache] =>
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[total_item_count] => 1
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[total_hit_count] => 3
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[total_miss_count] => 1
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[ucache_entries] => Array
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( [1] => Array
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(
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[key_name] => green
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[value_type] => long
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[is_session] => 0
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[ttl_seconds] => 0
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[age_seconds] => 0 [hitcount] => 3
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)
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)
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)
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]]>
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</screen>
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</example>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>wincache_fcache_meminfo</function></member>
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<member><function>wincache_ocache_fileinfo</function></member>
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<member><function>wincache_ocache_meminfo</function></member>
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<member><function>wincache_rplist_meminfo</function></member>
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<member><function>wincache_rplist_fileinfo</function></member>
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<member><function>wincache_refresh_if_changed</function></member>
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<member><function>wincache_ucache_meminfo</function></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
|
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sgml-minimize-attributes:nil
|
||||
sgml-always-quote-attributes:t
|
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sgml-indent-step:1
|
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sgml-indent-data:t
|
||||
indent-tabs-mode:nil
|
||||
sgml-parent-document:nil
|
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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||||
sgml-exposed-tags:nil
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||||
sgml-local-catalogs:nil
|
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sgml-local-ecat-files:nil
|
||||
End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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||||
-->
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@ -150,6 +150,8 @@ string(1) "6"
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<member><function>wincache_ucache_delete</function></member>
|
||||
<member><function>wincache_ucache_clear</function></member>
|
||||
<member><function>wincache_ucache_exists</function></member>
|
||||
<member><function>wincache_ucache_meminfo</function></member>
|
||||
<member><function>wincache_ucache_info</function></member>
|
||||
</simplelist>
|
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</para>
|
||||
</refsect1>
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|
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125
reference/wincache/functions/wincache_ucache_meminfo.xml
Normal file
125
reference/wincache/functions/wincache_ucache_meminfo.xml
Normal file
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@ -0,0 +1,125 @@
|
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<?xml version="1.0" encoding="utf-8"?>
|
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<!-- $Revision: 290998 $ -->
|
||||
<refentry xml:id="function.wincache-ucache-meminfo" xmlns="http://docbook.org/ns/docbook">
|
||||
<refnamediv>
|
||||
<refname>wincache_ucache_meminfo</refname>
|
||||
<refpurpose>
|
||||
Retrieves information about user cache memory usage
|
||||
</refpurpose>
|
||||
</refnamediv>
|
||||
<refsect1 role="description">
|
||||
&reftitle.description;
|
||||
<methodsynopsis>
|
||||
<type>array</type><methodname>wincache_ucache_meminfo</methodname>
|
||||
<void/>
|
||||
</methodsynopsis>
|
||||
<para>
|
||||
Retrieves information about memory usage by user cache.
|
||||
</para>
|
||||
</refsect1>
|
||||
<refsect1 role="returnvalues">
|
||||
&reftitle.returnvalues;
|
||||
<para>
|
||||
Array of meta data about user cache memory usage &return.falseforfailure;
|
||||
</para>
|
||||
<para>
|
||||
The array returned by this function contains the following elements:
|
||||
<itemizedlist spacing="compact">
|
||||
<listitem>
|
||||
<simpara>
|
||||
<literal>memory_total</literal> - amount of memory in bytes allocated for the user cache
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
<literal>memory_free</literal> - amount of free memory in bytes available for the user cache
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
<literal>num_used_blks</literal> - number of memory blocks used by the user cache
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
<literal>num_free_blks</literal> - number of free memory blocks available for the user cache
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
<literal>memory_overhead</literal> - amount of memory in bytes used for the user cache internal structures
|
||||
</simpara>
|
||||
</listitem>
|
||||
</itemizedlist>
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1 role="examples">
|
||||
&reftitle.examples;
|
||||
<para>
|
||||
<example>
|
||||
<title>A <function>wincache_ucache_meminfo</function> example</title>
|
||||
<programlisting role="php">
|
||||
<![CDATA[
|
||||
<pre>
|
||||
<?php
|
||||
print_r(wincache_ucache_meminfo());
|
||||
?>
|
||||
</pre>
|
||||
|
||||
]]>
|
||||
</programlisting>
|
||||
&example.outputs;
|
||||
<screen>
|
||||
<![CDATA[
|
||||
Array
|
||||
(
|
||||
[memory_total] => 5242880
|
||||
[memory_free] => 5215056
|
||||
[num_used_blks] => 6
|
||||
[num_free_blks] => 3
|
||||
[memory_overhead] => 176
|
||||
)
|
||||
]]>
|
||||
</screen>
|
||||
</example>
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1 role="seealso">
|
||||
&reftitle.seealso;
|
||||
<para>
|
||||
<simplelist>
|
||||
<member><function>wincache_fcache_fileinfo</function></member>
|
||||
<member><function>wincache_fcache_meminfo</function></member>
|
||||
<member><function>wincache_ocache_fileinfo</function></member>
|
||||
<member><function>wincache_rplist_fileinfo</function></member>
|
||||
<member><function>wincache_rplist_meminfo</function></member>
|
||||
<member><function>wincache_refresh_if_changed</function></member>
|
||||
<member><function>wincache_ucache_info</function></member>
|
||||
</simplelist>
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
</refentry>
|
||||
|
||||
<!-- Keep this comment at the end of the file
|
||||
Local variables:
|
||||
mode: sgml
|
||||
sgml-omittag:t
|
||||
sgml-shorttag:t
|
||||
sgml-minimize-attributes:nil
|
||||
sgml-always-quote-attributes:t
|
||||
sgml-indent-step:1
|
||||
sgml-indent-data:t
|
||||
indent-tabs-mode:nil
|
||||
sgml-parent-document:nil
|
||||
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
|
||||
sgml-exposed-tags:nil
|
||||
sgml-local-catalogs:nil
|
||||
sgml-local-ecat-files:nil
|
||||
End:
|
||||
vim600: syn=xml fen fdm=syntax fdl=2 si
|
||||
vim: et tw=78 syn=sgml
|
||||
vi: ts=1 sw=1
|
||||
-->
|
||||
|
|
@ -126,6 +126,22 @@
|
|||
<entry>PHP_INI_SYSTEM</entry>
|
||||
<entry>Available since WinCache 1.0.0</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry><link linkend="ini.wincache.ucenabled">wincache.ucenabled</link></entry>
|
||||
<entry>1</entry>
|
||||
<entry>0</entry>
|
||||
<entry>1</entry>
|
||||
<entry>PHP_INI_SYSTEM</entry>
|
||||
<entry>Available since WinCache 1.1.0</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry><link linkend="ini.wincache.namesalt">wincache.ucachesize</link></entry>
|
||||
<entry>8</entry>
|
||||
<entry>5</entry>
|
||||
<entry>85</entry>
|
||||
<entry>PHP_INI_SYSTEM</entry>
|
||||
<entry>Available since WinCache 1.1.0</entry>
|
||||
</row>
|
||||
</tbody>
|
||||
</tgroup>
|
||||
</table>
|
||||
|
|
@ -316,6 +332,30 @@ wincache.ignorelist = "index.php|misc.php|admin.php"
|
|||
</simpara>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry xml:id="ini.wincache.ucenabled">
|
||||
<term>
|
||||
<parameter>wincache.ucenabled</parameter>
|
||||
<type>boolean</type>
|
||||
</term>
|
||||
<listitem>
|
||||
<simpara>
|
||||
Enables or disables the user cache functionality.
|
||||
</simpara>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry xml:id="ini.wincache.ucachesize">
|
||||
<term>
|
||||
<parameter>wincache.ucachesize</parameter>
|
||||
<type>integer</type>
|
||||
</term>
|
||||
<listitem>
|
||||
<simpara>
|
||||
Defines the maximum memory size in megabytes that is allocated for the user cache. If the total
|
||||
size of variables stored in the user cache exceeds the specified value, then the most stale variables
|
||||
will be removed from the cache.
|
||||
</simpara>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
</variablelist>
|
||||
</para>
|
||||
</section>
|
||||
|
|
|
|||
|
|
@ -184,6 +184,33 @@ $user_allowed = array('DOMAIN\user1', 'DOMAIN\user2', 'DOMAIN\user3');
|
|||
</simpara>
|
||||
</note>
|
||||
</para>
|
||||
</section>
|
||||
<section xml:id="wincache.sessionhandler">
|
||||
<title>WinCache Session Handler</title>
|
||||
<para>
|
||||
The WinCache session handler (available since WinCache 1.1.0) can be used to configure PHP to store the session data in shared memory user cache.
|
||||
Using shared memory instead of the default file session storage helps improve performance of PHP applications
|
||||
that store large amount of data in session objects.
|
||||
</para>
|
||||
<para>
|
||||
To configure PHP to use WinCache session handler set the <filename>php.ini</filename> setting
|
||||
<link linkend="ini.session.save-handler">session.save_handler</link> to <emphasis>wincache</emphasis>.
|
||||
<example>
|
||||
<title>Enabling WinCache session handler</title>
|
||||
<programlisting role="php">
|
||||
<![CDATA[
|
||||
session.save_handler = wincache
|
||||
]]>
|
||||
</programlisting>
|
||||
</example>
|
||||
<note>
|
||||
<simpara>
|
||||
In beta release of WinCache Extension 1.1, the user cache is kept in memory and is not backed by a
|
||||
file system storage. This means that the session data stored in the shared memory will be lost when
|
||||
IIS application pool is recycled.
|
||||
</simpara>
|
||||
</note>
|
||||
</para>
|
||||
</section>
|
||||
<section xml:id="wincache.resources">
|
||||
&reftitle.resources;
|
||||
|
|
|
|||
|
|
@ -20,6 +20,8 @@
|
|||
<function name='wincache_ucache_inc' from='PECL wincache >= 1.1.0'/>
|
||||
<function name='wincache_ucache_dec' from='PECL wincache >= 1.1.0'/>
|
||||
<function name='wincache_ucache_cas' from='PECL wincache >= 1.1.0'/>
|
||||
<function name='wincache_ucache_info' from='PECL wincache >= 1.1.0'/>
|
||||
<function name='wincache_ucache_meminfo' from='PECL wincache >= 1.1.0'/>
|
||||
</versions>
|
||||
|
||||
<!-- Keep this comment at the end of the file
|
||||
|
|
|
|||
Loading…
Reference in a new issue