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102 lines
5.0 KiB
HTML
102 lines
5.0 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>Binary-safe gz-file read</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.gzread" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">gzread</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">gzread</span> — <span class="dc-title">Binary-safe gz-file read</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.gzread-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>gzread</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$zp</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$length</code></span>
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) : <span class="type">string</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>gzread()</strong></span> reads up to <code class="parameter">length</code> bytes
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from the given gz-file pointer. Reading stops when
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<code class="parameter">length</code> (uncompressed) bytes have been read
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or <acronym title="End Of File">EOF</acronym> is reached, whichever comes first.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.gzread-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">zp</code></dt>
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<dd>
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<p class="para">
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The gz-file pointer. It must be valid, and must point to a file
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successfully opened by <span class="function"><a href="gzopen.html" class="function">gzopen()</a></span>.
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</p>
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</dd>
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<dt>
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<code class="parameter">length</code></dt>
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<dd>
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<p class="para">
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The number of bytes to read.
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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.gzread-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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The data that have been read.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.gzread-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-880">
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<p><strong>Example #1 <span class="function"><strong>gzread()</strong></span> example</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 /></span><span style="color: #FF8000">// get contents of a gz-file into a string<br /></span><span style="color: #0000BB">$filename </span><span style="color: #007700">= </span><span style="color: #DD0000">"/usr/local/something.txt.gz"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$zd </span><span style="color: #007700">= </span><span style="color: #0000BB">gzopen</span><span style="color: #007700">(</span><span style="color: #0000BB">$filename</span><span style="color: #007700">, </span><span style="color: #DD0000">"r"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$contents </span><span style="color: #007700">= </span><span style="color: #0000BB">gzread</span><span style="color: #007700">(</span><span style="color: #0000BB">$zd</span><span style="color: #007700">, </span><span style="color: #0000BB">10000</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">gzclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$zd</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.gzread-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="gzwrite.html" class="function" rel="rdfs-seeAlso">gzwrite()</a> - Binary-safe gz-file write</span></li>
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<li class="member"><span class="function"><a href="gzopen.html" class="function" rel="rdfs-seeAlso">gzopen()</a> - Open gz-file</span></li>
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<li class="member"><span class="function"><a href="gzgets.html" class="function" rel="rdfs-seeAlso">gzgets()</a> - Get line from file pointer</span></li>
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<li class="member"><span class="function"><a href="gzgetss.html" class="function" rel="rdfs-seeAlso">gzgetss()</a> - Get line from gz-file pointer and strip HTML tags</span></li>
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<li class="member"><span class="function"><a href="gzfile.html" class="function" rel="rdfs-seeAlso">gzfile()</a> - Read entire gz-file into an array</span></li>
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<li class="member"><span class="function"><a href="gzpassthru.html" class="function" rel="rdfs-seeAlso">gzpassthru()</a> - Output all remaining data on a gz-file pointer</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> |