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https://github.com/sigmasternchen/php-doc-en
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c030e2adf7
- All id attributes are now xml:id - Add docbook namespace to all root elements - Replace <ulink /> with <link xlink:href /> - Minor markup fixes here and there git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@238160 c90b9560-bf6c-de11-be94-00142212c4b1
119 lines
3.1 KiB
XML
119 lines
3.1 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.17 $ -->
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<!-- Purpose: basic.php -->
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<!-- Membership: core -->
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<reference xml:id="ref.outcontrol" xmlns="http://docbook.org/ns/docbook">
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<title>Output Control Functions</title>
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<titleabbrev>Output Control</titleabbrev>
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<partintro>
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<section xml:id="outcontrol.intro">
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&reftitle.intro;
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<para>
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The Output Control functions allow you to control when output is
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sent from the script. This can be useful in several different
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situations, especially if you need to send headers to the browser
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after your script has began outputting data. The Output Control
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functions do not affect headers sent using
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<function>header</function> or <function>setcookie</function>,
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only functions such as <function>echo</function> and data between
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blocks of PHP code.
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</para>
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<note>
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<para>
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When upgrading from PHP 4.1.x (and 4.2.x) to 4.3.x due to a bug in
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earlier versions you must ensure that
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<literal>implict_flush</literal> is <literal>OFF</literal> in
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your &php.ini;, otherwise any output with
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<function>ob_start</function> will not be hidden from output.
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</para>
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</note>
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</section>
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<section xml:id="outcontrol.requirements">
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&reftitle.required;
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&no.requirement;
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</section>
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<section xml:id="outcontrol.installation">
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&reftitle.install;
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&no.install;
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</section>
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&reference.outcontrol.ini;
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<section xml:id="outcontrol.resources">
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&reftitle.resources;
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&no.resource;
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</section>
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<section xml:id="outcontrol.constants">
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&reftitle.constants;
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&no.constants;
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</section>
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<section xml:id="outcontrol.examples">
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&reftitle.examples;
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<para>
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<example>
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<title>Output Control example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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ob_start();
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echo "Hello\n";
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setcookie("cookiename", "cookiedata");
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ob_end_flush();
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?>
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]]>
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</programlisting>
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</example>
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</para>
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<para>
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In the above example, the output from <function>echo</function>
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would be stored in the output buffer until
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<function>ob_end_flush</function> was called. In the mean time,
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the call to <function>setcookie</function> successfully stored a
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cookie without causing an error. (You can not normally send
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headers to the browser after data has already been sent.)
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</para>
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</section>
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<section xml:id="outcontrol.seealso">
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&reftitle.seealso;
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<para>
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See also <function>header</function> and
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<function>setcookie</function>.
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</para>
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</section>
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</partintro>
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&reference.outcontrol.functions;
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</reference>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"../../../manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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