constants.xml

<?xml version="1.0" encoding="utf-8"?>
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<appendix xml:id="session.constants" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 &reftitle.constants;
 &extension.constants;
 <variablelist>
  <varlistentry xml:id="constant.sid">
   <term>
    <constant>SID</constant>
    (<type>string</type>)
   </term>
   <listitem>
    <simpara>
     Constant containing either the session name and session ID in
     the form of <literal>"name=ID"</literal> or empty string
     if session ID was set in an appropriate session cookie. This is
     the same id as the one returned by <function>session_id</function>.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.php-session-disabled">
   <term>
    <constant>PHP_SESSION_DISABLED</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Return value of <function>session_status</function> if sessions are disabled.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.php-session-none">
   <term>
    <constant>PHP_SESSION_NONE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Return value of <function>session_status</function> if sessions are enabled,
     but no session exists.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.php-session-active">
   <term>
    <constant>PHP_SESSION_ACTIVE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Return value of <function>session_status</function> if sessions are enabled,
     and a session exists.
    </simpara>
   </listitem>
  </varlistentry>
 </variablelist>
</appendix>

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