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217 lines
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HTML
217 lines
7.4 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Translate a gopher formatted directory entry into an associative array</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.gopher-parsedir" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">gopher_parsedir</h1>
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<p class="verinfo">(PECL net_gopher >= 0.1)</p><p class="refpurpose"><span class="refname">gopher_parsedir</span> — <span class="dc-title">Translate a gopher formatted directory entry into an associative array</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.gopher-parsedir-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>gopher_parsedir</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$dirent</code></span>
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) : <span class="type">array</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>gopher_parsedir()</strong></span> parses a gopher formatted directory
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entry into an associative array.
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</p>
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<p class="para">
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While gopher returns <em>text/plain</em> documents for
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actual document requests. A request to a directory (such as /) will
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return specially encoded series of lines with each line being one
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directory entry or information line.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.gopher-parsedir-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">dirent</code></dt>
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<dd>
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<p class="para">
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The directory entry.
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.gopher-parsedir-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns an associative array whose components are:
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<ul class="itemizedlist">
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<li class="listitem">
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<span class="simpara">
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<em>type</em> - One of the
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<em>GOPHER_XXX</em> constants.
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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<em>title</em> - The name of the resource.
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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<em>path</em> - The path of the resource.
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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<em>host</em> - The domain name of the host that has
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this document (or directory).
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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<em>port</em> - The port at which to connect on
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<em>host</em>.
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</span>
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</li>
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</ul>
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</p>
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<p class="para">
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Upon failure, the additional <em>data</em> entry of the
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returned array will hold the parsed line.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.gopher-parsedir-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-5363">
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<p><strong>Example #1 Hypothetical output from <em>gopher://gopher.example.com/</em></strong></p>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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0All about my gopher site. /allabout.txt gopher.example.com 70
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9A picture of my cat. /pics/cat.png gopher.example.com 70
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1A collection of my writings. /stories gopher.example.com 70
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hThe HTTP version of this site. URL:http://www.example.com gopher.example.com 70
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1Mirror of this site in Spain. / gopher.ejemplo.co.es 70
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iWelcome to my gopher site. error.host 1
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iPlease select one of the options above error.host 1
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iSend complaints to /dev/null error.host 1
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iLong live gopher! error.host 1
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</pre></div>
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</div>
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</div>
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</p>
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<p class="para">
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In the example above, the root directory at gopher.example.com knows about
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one <em>DOCUMENT</em> identified by <em>0</em> located at
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<em>gopher://gopher.example.com:70/allabout.txt</em>. It also knows
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about two other directory (which have their own listing files) at
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<em>gopher://gopher.exmaple.com:70/stories</em> and at
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<em>gopher://gopher.ejemplo.co.es:70/</em>.
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In addition there is a binary file, a link to an HTTP url, and several
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informative lines.
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</p>
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<p class="para">
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By passing each line of the directory listing into
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<span class="function"><strong>gopher_parsedir()</strong></span>, an associative array is formed containing
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a parsed out version of the data.
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</p>
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<p class="para">
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<div class="example" id="example-5364">
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<p><strong>Example #2 Using <span class="function"><strong>gopher_parsedir()</strong></span></strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br />$directory </span><span style="color: #007700">= </span><span style="color: #0000BB">file</span><span style="color: #007700">(</span><span style="color: #DD0000">"gopher://gopher.example.com"</span><span style="color: #007700">);<br /><br />foreach(</span><span style="color: #0000BB">$directory </span><span style="color: #007700">as </span><span style="color: #0000BB">$dirent</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">gopher_parsedir</span><span style="color: #007700">(</span><span style="color: #0000BB">$dirent</span><span style="color: #007700">));<br />}<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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<div class="example-contents"><p>以上例程会输出：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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Array (
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[type] => 0
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[title] => All about my gopher site.
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[path] => /allabout.txt
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[host] => gopher.example.com
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[port] => 70
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)
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Array (
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[type] => 9
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[title] => A picture of my cat.
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[path] => /pics/cat.png
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[host] => gopher.example.com
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[port] => 70
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)
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Array (
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[type] => 1
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[title] => A collection of my writings.
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[path] => /stories
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[host] => gopher.example.com
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[port] => 70
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)
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Array (
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[type] => 254
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[title] => The HTTP version of this site.
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[path] => URL:http://www.example.com
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[host] => gopher.example.com
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[port] => 70
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)
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Array (
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[type] => 1
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[title] => Mirror of this site in Spain.
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[path] => /
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[host] => gopher.ejemplo.co.es
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[port] => 70
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)
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Array (
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[type] => 255
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[title] => Welcome to my gopher site.
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[path] =>
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[host] => error.host
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[port] => 1
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)
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Array (
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[type] => 255
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[title] => Please select one of the options above.
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[path] =>
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[host] => error.host
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[port] => 1
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)
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Array (
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[type] => 255
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[title] => Send complaints to /dev/null
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[path] =>
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[host] => error.host
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[port] => 1
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)
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Array (
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[type] => 255
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[title] => Long live gopher!
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[path] =>
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[host] => error.host
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[port] => 1
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)
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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</div></div></div></body></html> |