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96 lines
4.7 KiB
HTML
96 lines
4.7 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>解压经 bzip2 编码过的数据</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.bzdecompress" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">bzdecompress</h1>
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<p class="verinfo">(PHP 4 >= 4.0.4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">bzdecompress</span> — <span class="dc-title">解压经 bzip2 编码过的数据</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.bzdecompress-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>bzdecompress</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$source</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$small</code><span class="initializer"> = 0</span></span>
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] ) : <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>bzdecompress()</strong></span> 解压了包含 bzip2 压缩数据的指定字符串。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.bzdecompress-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">source</code></dt>
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<dd>
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<p class="para">
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要解压的字符串。
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</p>
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</dd>
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<dt>
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<code class="parameter">small</code></dt>
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<dd>
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<p class="para">
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如果为 <strong><code>TRUE</code></strong>，将会使用一种内存开销更小的替代算法（最大内存需求降低至大约 2300K）但速度会降低约一半。
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</p>
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<p class="para">
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寻找该功能的更多信息可参见 <a href="http://www.bzip.org/" class="link external">» bzip2 文档</a>。
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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.bzdecompress-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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解压后的字符串，如果发生了一个错误则返回一个错误码。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.bzdecompress-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-697">
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<p><strong>Example #1 解压一个字符串</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 />$start_str </span><span style="color: #007700">= </span><span style="color: #DD0000">"This is not an honest face?"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$bzstr </span><span style="color: #007700">= </span><span style="color: #0000BB">bzcompress</span><span style="color: #007700">(</span><span style="color: #0000BB">$start_str</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #DD0000">"Compressed String: "</span><span style="color: #007700">;<br />echo </span><span style="color: #0000BB">$bzstr</span><span style="color: #007700">;<br />echo </span><span style="color: #DD0000">"\n<br />\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$str </span><span style="color: #007700">= </span><span style="color: #0000BB">bzdecompress</span><span style="color: #007700">(</span><span style="color: #0000BB">$bzstr</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">"Decompressed String: "</span><span style="color: #007700">;<br />echo </span><span style="color: #0000BB">$str</span><span style="color: #007700">;<br />echo </span><span style="color: #DD0000">"\n<br />\n"</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 class="refsect1 seealso" id="refsect1-function.bzdecompress-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="bzcompress.html" class="function" rel="rdfs-seeAlso">bzcompress()</a> - 把一个字符串压缩成 bzip2 编码数据</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |