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Changes by Xyphoid of Freenode's ##PHP

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@321993 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Joey Smith 2012-01-10 05:33:14 +00:00
parent 53a617808f
commit 68b0acad00
1 changed files with 7 additions and 9 deletions
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16
reference/session/book.xml
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@ -20,8 +20,8 @@
user side or is propagated in the URL.
</para>
<para>
The session support allows you to register arbitrary numbers of
variables to be preserved across requests. When a visitor accesses
The session support allows you to store data between requests in the
<varname>$_SESSION</varname> superglobal array. When a visitor accesses
your site, PHP will check automatically (if <link
linkend="ini.session.auto-start">session.auto_start</link>
is set to 1) or on your request (explicitly through
@ -43,17 +43,15 @@
</para>
</caution>
<para>
All registered variables are serialized after the request
finishes. Registered variables which are undefined are marked as
being not defined. On subsequent accesses, these are not defined
<varname>$_SESSION</varname> (and all registered variables) are serialized
after the request finishes. Registered variables which are undefined are
marked as being not defined. On subsequent accesses, these are not defined
by the session module unless the user defines them later.
</para>
<warning>
<para>
Some types of data can not be serialized thus stored in sessions. It
includes <type>resource</type> variables or objects with circular
references (i.e. objects which passes a reference to itself to another
object).
Because session data is serialized, <type>resource</type> variables cannot
be stored in the session.
</para>
</warning>
<note>