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<?xml version="1.0" encoding="big5"?>
<chapter id="features.cookies">
<title>Cookies</title>
<para>
PHP transparently supports HTTP cookies. Cookies are a mechanism
for storing data in the remote browser and thus tracking
or identifying return users. You can set cookies using the
<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>
<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>
</chapter>
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