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88 lines
5.8 KiB
HTML
88 lines
5.8 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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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Prepend bucket to brigade</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.stream-bucket-prepend" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">stream_bucket_prepend</h1>
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<p class="verinfo">(PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">stream_bucket_prepend</span> — <span class="dc-title">
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Prepend bucket to brigade
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</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.stream-bucket-prepend-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>stream_bucket_prepend</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$brigade</code></span>
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, <span class="methodparam"><span class="type">object</span> <code class="parameter">$bucket</code></span>
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) : <span class="type"><span class="type void">void</span></span></div>
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<p class="para rdfs-comment">
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This function can be called to prepend a bucket to a bucket brigade. It
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is typically called from <span class="methodname"><a href="php_user_filter.filter.html" class="methodname">php_user_filter::filter()</a></span>.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.stream-bucket-prepend-parameters">
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<h3 class="title">参数</h3>
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<dl>
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<dt>
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<code class="parameter">brigade</code></dt>
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<dd>
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<p class="para">
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<code class="parameter">brigade</code> is a resource pointing to a <em>bucket brigade</em>
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which contains one or more <em>bucket</em> objects.
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</p>
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</dd>
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<dt>
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<code class="parameter">bucket</code></dt>
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<dd>
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<p class="para">
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A bucket object.
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</p>
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</dd>
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</dl>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.stream-bucket-prepend-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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没有返回值。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.stream-bucket-prepend-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-4812">
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<p><strong>Example #1 <span class="function"><strong>stream_bucket_prepend()</strong></span> examples</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 /><br /></span><span style="color: #007700">class </span><span style="color: #0000BB">foo </span><span style="color: #007700">extends </span><span style="color: #0000BB">php_user_filter </span><span style="color: #007700">{<br /> protected </span><span style="color: #0000BB">$calls </span><span style="color: #007700">= </span><span style="color: #0000BB">0</span><span style="color: #007700">;<br /> public function </span><span style="color: #0000BB">filter</span><span style="color: #007700">(</span><span style="color: #0000BB">$in</span><span style="color: #007700">, </span><span style="color: #0000BB">$out</span><span style="color: #007700">, &</span><span style="color: #0000BB">$consumed</span><span style="color: #007700">, </span><span style="color: #0000BB">$closing</span><span style="color: #007700">) {<br /> while (</span><span style="color: #0000BB">$bucket </span><span style="color: #007700">= </span><span style="color: #0000BB">stream_bucket_make_writeable</span><span style="color: #007700">(</span><span style="color: #0000BB">$in</span><span style="color: #007700">)) {<br /> </span><span style="color: #0000BB">$consumed </span><span style="color: #007700">+= </span><span style="color: #0000BB">$bucket</span><span style="color: #007700">-></span><span style="color: #0000BB">datalen</span><span style="color: #007700">;<br /> if (</span><span style="color: #0000BB">$this</span><span style="color: #007700">-></span><span style="color: #0000BB">calls</span><span style="color: #007700">++ == </span><span style="color: #0000BB">2</span><span style="color: #007700">) {<br /> </span><span style="color: #FF8000">// This bucket will appear again before any other bucket.<br /> </span><span style="color: #0000BB">stream_bucket_prepend</span><span style="color: #007700">(</span><span style="color: #0000BB">$in</span><span style="color: #007700">, </span><span style="color: #0000BB">$bucket</span><span style="color: #007700">);<br /> }<br /> }<br /> return </span><span style="color: #0000BB">PSFS_FEED_ME</span><span style="color: #007700">;<br /> }<br />}<br /></span><span style="color: #0000BB">stream_filter_register</span><span style="color: #007700">(</span><span style="color: #DD0000">'test'</span><span style="color: #007700">, </span><span style="color: #DD0000">'foo'</span><span style="color: #007700">);<br />print </span><span style="color: #0000BB">file_get_contents</span><span style="color: #007700">(</span><span style="color: #DD0000">'php://filter/read=test/resource=foo'</span><span style="color: #007700">);<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>
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</p>
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</div>
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</div></div></div></body></html> |