mirror of
https://github.com/sigmasternchen/php-doc-en
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5ece80a00a
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@84119 c90b9560-bf6c-de11-be94-00142212c4b1
59 lines
2 KiB
XML
59 lines
2 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.3 $ -->
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<!-- splitted from ./en/functions/session.xml, last change in rev 1.2 -->
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<refentry id="function.session-id">
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<refnamediv>
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<refname>session_id</refname>
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<refpurpose>Get and/or set the current session id</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>string</type><methodname>session_id</methodname>
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<methodparam choice="opt"><type>string</type><parameter>id</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>session_id</function> returns the session id for the
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current session.
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</para>
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<para>
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If <parameter>id</parameter> is specified, it will replace the current
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session id. <function>session_id</function> needs to be called before
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<function>session_start</function> for that purpose. Depending on the
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session handler, not all characters are allowed within the session id.
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For example, the file session handler only allows characters in the range
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<literal>a-z, A-Z and 0-9</literal>!
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</para>
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<para>
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The constant <systemitem>SID</systemitem> can also be used to
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retrieve the current name and session id as a string suitable for
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adding to URLs. Note that <systemitem>SID</systemitem> is only defined if
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the client didn't sent the right cookie. See also <link
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linkend="ref.session">Session handling</link>.
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</para>
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<para>
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See also <function>session_start</function>.
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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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