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251 lines
6.1 KiB
XML
251 lines
6.1 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: a47dff201e3f65c07f6c84a535951632771cf72d Maintainer: yannick Status: ready -->
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<!-- Reviewed: no -->
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<refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="eventhttp.setcallback">
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<refnamediv>
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<refname>EventHttp::setCallback</refname>
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<refpurpose>Définit une fonction de rappel pour une URI spécifique</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<modifier>public</modifier>
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<type>void</type>
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<methodname>EventHttp::setCallback</methodname>
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<methodparam>
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<type>string</type>
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<parameter>path</parameter>
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</methodparam>
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<methodparam>
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<type>string</type>
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<parameter>cb</parameter>
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</methodparam>
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<methodparam choice="opt">
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<type>string</type>
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<parameter>arg</parameter>
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</methodparam>
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</methodsynopsis>
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<para>
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Définit une fonction de rappel pour une URI spécifique.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<variablelist>
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<varlistentry>
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<term>
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<parameter>path</parameter>
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</term>
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<listitem>
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<para>
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L'URI pour laquelle la fonction de rappel doit être invoquée.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<parameter>cb</parameter>
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</term>
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<listitem>
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<para>
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La fonction de rappel <type>callable</type>
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qui sera invoquée lors d'une demande sur l'URI
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<parameter>path</parameter>. Elle doit correspondre au prototype
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suivant :
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</para>
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<methodsynopsis>
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<type>void</type>
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<methodname>callback</methodname>
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<methodparam choice="opt">
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<type>EventHttpRequest</type>
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<parameter>req</parameter>
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<initializer>NULL</initializer>
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</methodparam>
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<methodparam choice="opt">
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<type>mixed</type>
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<parameter>arg</parameter>
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<initializer>NULL</initializer>
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</methodparam>
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</methodsynopsis>
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<variablelist>
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<varlistentry>
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<term>
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<parameter>req</parameter>
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</term>
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<listitem>
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<para>
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Un objet <classname>EventHttpRequest</classname>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<parameter>arg</parameter>
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</term>
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<listitem>
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<para>
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Données personnalisées.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<parameter>arg</parameter>
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</term>
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<listitem>
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<para>
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Données personnalisées.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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&return.success;
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<example>
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<title>Exemple avec <function>EventHttp::setCallback</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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/*
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* Serveur HTTP simple.
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*
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* Pour le tester :
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* 1) Exécutez-le sur le port de votre choix, i.e. :
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* $ php examples/http.php 8010
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* 2) Dans un autre terminal, connectez-vous sur une adresse de ce port
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* et réalisez une requête GET ou POST (les autres sont désactivées ici), i.e.:
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* $ nc -t 127.0.0.1 8010
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* POST /about HTTP/1.0
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* Content-Type: text/plain
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* Content-Length: 4
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* Connection: close
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* (press Enter)
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*
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* Il devrait afficher :
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* a=12
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* HTTP/1.0 200 OK
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* Content-Type: text/html; charset=ISO-8859-1
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* Connection: close
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*
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* 3) Voir ce qu'affiche le serveur sur le précédent terminal.
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*/
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function _http_dump($req, $data) {
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static $counter = 0;
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static $max_requests = 2;
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if (++$counter >= $max_requests) {
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echo "Counter reached max requests $max_requests. Exiting\n";
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exit();
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}
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echo __METHOD__, " called\n";
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echo "request:"; var_dump($req);
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echo "data:"; var_dump($data);
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echo "\n===== DUMP =====\n";
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echo "Command:", $req->getCommand(), PHP_EOL;
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echo "URI:", $req->getUri(), PHP_EOL;
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echo "Input headers:"; var_dump($req->getInputHeaders());
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echo "Output headers:"; var_dump($req->getOutputHeaders());
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echo "\n >> Sending reply ...";
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$req->sendReply(200, "OK");
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echo "OK\n";
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echo "\n >> Reading input buffer ...\n";
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$buf = $req->getInputBuffer();
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while ($s = $buf->readLine(EventBuffer::EOL_ANY)) {
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echo $s, PHP_EOL;
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}
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echo "No more data in the buffer\n";
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}
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function _http_about($req) {
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echo __METHOD__, PHP_EOL;
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echo "URI: ", $req->getUri(), PHP_EOL;
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echo "\n >> Sending reply ...";
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$req->sendReply(200, "OK");
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echo "OK\n";
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}
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function _http_default($req, $data) {
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echo __METHOD__, PHP_EOL;
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echo "URI: ", $req->getUri(), PHP_EOL;
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echo "\n >> Sending reply ...";
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$req->sendReply(200, "OK");
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echo "OK\n";
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}
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$port = 8010;
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if ($argc > 1) {
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$port = (int) $argv[1];
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}
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if ($port <= 0 || $port > 65535) {
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exit("Invalid port");
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}
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$base = new EventBase();
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$http = new EventHttp($base);
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$http->setAllowedMethods(EventHttpRequest::CMD_GET | EventHttpRequest::CMD_POST);
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$http->setCallback("/dump", "_http_dump", array(4, 8));
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$http->setCallback("/about", "_http_about");
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$http->setDefaultCallback("_http_default", "custom data value");
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$http->bind("0.0.0.0", 8010);
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$base->loop();
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?>
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]]>
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</programlisting>
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&example.outputs.similar;
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<screen>
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<![CDATA[
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a=12
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HTTP/1.0 200 OK
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Content-Type: text/html; charset=ISO-8859-1
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Connection: close
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]]>
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</screen>
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</example>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<simplelist>
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<member>
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<methodname>EventHttp::setDefaultCallback</methodname>
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</member>
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</simplelist>
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</refsect1>
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</refentry>
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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:"~/.phpdoc/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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