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https://github.com/sigmasternchen/php-doc-en
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dc5be4ec88
fix typos git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@203660 c90b9560-bf6c-de11-be94-00142212c4b1
137 lines
3.6 KiB
XML
137 lines
3.6 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.3 $ -->
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<refentry id="function.Memcache-replace">
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<refnamediv>
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<refname>Memcache::replace</refname>
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<refpurpose>Replace value of the existing item</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>Memcache::replace</methodname>
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<methodparam><type>string</type><parameter>key</parameter></methodparam>
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<methodparam><type>mixed</type><parameter>var</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>flag</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>expire</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>Memcache::replace</function> should be used to replace value of
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existing item with <parameter>key</parameter>. In case if item with such
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key doesn't exists, <function>Memcache::replace</function> returns
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&false;. For the rest <function>Memcache::replace</function> behaves
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similarly to <function>Memcache::set</function>.
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Also you can use <function>memcache_replace</function> function.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>key</parameter></term>
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<listitem>
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<para>
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The key that will be associated with the item.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>var</parameter></term>
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<listitem>
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<para>
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The variable to store. Strings and integers are stored as is, other
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types are stored serialized.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>flag</parameter></term>
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<listitem>
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<para>
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Use <constant>MEMCACHE_COMPRESSED</constant> to store the item
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compressed (uses zlib).
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>expire</parameter></term>
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<listitem>
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<para>
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Expiration time of the item. If it's equal to zero, the item will never
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expire. You can also use unix timestamp or a number of seconds starting
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from current time, but in the latter case the number of seconds may not
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exceed 2592000 (30 days).
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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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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&return.success;
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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><function>Memcache::replace</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$memcache_obj = memcache_connect('memcache_host', 11211);
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/* procedural API */
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memcache_replace($memcache_obj, "test_key", "some variable", false, 30);
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/* OO API */
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$memcache_obj->replace("test_key", "some variable", false, 30);
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?>
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]]>
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</programlisting>
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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>Memcache::set</function></member>
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<member><function>Memcache::add</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
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"../../../../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
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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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