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@@ -59,28 +59,18 @@

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special characters (<literal>|</literal>

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and <literal>!</literal>) cannot be used. Using these will end up

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with errors at script shutdown. <literal>php_serialize</literal>

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does not have such limitations. <literal>php_serialize</literal>

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is available from PHP 5.5.4.

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does not have such limitations.

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</para>

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</warning>

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<note>

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<para>

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Please note when working with sessions that a record of a session

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is not created until a variable has been registered using the

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<function>session_register</function> function or by adding a new

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is not created until a variable has been registered by adding a new

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key to the <varname>$_SESSION</varname> superglobal array. This

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holds true regardless of if a session has been started using the

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<function>session_start</function> function.

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</para>

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</note>

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<note>

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<para>

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PHP 5.2.2 introduced an undocumented feature to store session files

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in "/tmp" even if <link linkend="ini.open-basedir">open_basedir</link>

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was enabled and "/tmp" is not explicitly added to the allowed paths

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list. This feature has been removed from PHP as of PHP 5.3.0.

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</para>

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</note>

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</preface>

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<!-- }}} -->

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