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document $_COOKIE, $HTTP_COOKIE_VARS, mention relevant configuration settings, be more explicit in pointing to setcookie documentation, note how to use output buffering

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@65780 c90b9560-bf6c-de11-be94-00142212c4b1
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jim winstead 2001-12-20 21:21:04 +00:00
parent ca159b0e1d
commit 390cd85f04
1 changed files with 24 additions and 7 deletions
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31
features/cookies.xml
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.11 $ -->
<!-- $Revision: 1.12 $ -->
<chapter id="features.cookies">
<title>Cookies</title>
@ -10,14 +10,31 @@
<function>setcookie</function> function. Cookies are part of the
HTTP header, so <function>setcookie</function> must be called before
any output is sent to the browser. This is the same limitation that
<function>header</function> has.</para>
<function>header</function> has. You can use the <link
linkend="ref.outcontrol">output buffering functions</link> to delay the
script output until you have decided whether or not to set any cookies or
send any headers.
</para>
<para>
Any cookies sent to you from the client will automatically be
turned into a PHP variable just like GET and POST method data. If
you wish to assign multiple values to a single cookie, just add
<emphasis>[]</emphasis> to the cookie name. For more details see
the <function>setcookie</function> function.</para>
Any cookies sent to you from the client will automatically be turned into a
PHP variable just like GET and POST method data, depending on the
<literal>register_globals</literal> and <literal>gpc_order</literal>
configuration variables. If you wish to assign multiple values to a single
cookie, just add <emphasis>[]</emphasis> to the cookie name.
</para>
<para>
In PHP 4.1.0 and later, the <literal>$_COOKIE</literal> auto-global
array will always be set with any cookies sent from the client.
<literal>$HTTP_COOKIE_VARS</literal> is also set in earlier versions of PHP
when the <literal>track_vars</literal> configuration variable is set.
</para>
<para>
For more details, including notes on browser bugs, see the
<function>setcookie</function> function.
</para>
</chapter>