uTools-Manuals/docs/php/gzgets.html
2019-04-08 23:22:26 +08:00

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<title>Get line from file pointer</title>
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<body class="docs"><div id="layout">
<div id="layout-content"><div id="function.gzgets" class="refentry">
<div class="refnamediv">
<h1 class="refname">gzgets</h1>
<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">gzgets</span> &mdash; <span class="dc-title">Get line from file pointer</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.gzgets-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>gzgets</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$zp</code></span>
[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$length</code></span>
] ) : <span class="type">string</span></div>
<p class="para rdfs-comment">
Gets a (uncompressed) string of up to length - 1 bytes read from the given
file pointer. Reading ends when length - 1 bytes have been read, on a
newline, or on EOF (whichever comes first).
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.gzgets-parameters">
<h3 class="title">参数</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">zp</code></dt>
<dd>
<p class="para">
The gz-file pointer. It must be valid, and must point to a file
successfully opened by <span class="function"><a href="gzopen.html" class="function">gzopen()</a></span>.
</p>
</dd>
<dt>
<code class="parameter">length</code></dt>
<dd>
<p class="para">
The length of data to get.
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.gzgets-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
The uncompressed string, or <strong><code>FALSE</code></strong> on error.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.gzgets-examples">
<h3 class="title">范例</h3>
<p class="para">
<div class="example" id="example-875">
<p><strong>Example #1 <span class="function"><strong>gzgets()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$handle&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">gzopen</span><span style="color: #007700">(</span><span style="color: #DD0000">'somefile.gz'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'r'</span><span style="color: #007700">);<br />while&nbsp;(!</span><span style="color: #0000BB">gzeof</span><span style="color: #007700">(</span><span style="color: #0000BB">$handle</span><span style="color: #007700">))&nbsp;{<br />&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$buffer&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">gzgets</span><span style="color: #007700">(</span><span style="color: #0000BB">$handle</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">4096</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #0000BB">$buffer</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">gzclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$handle</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.gzgets-seealso">
<h3 class="title">参见</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="function"><a href="gzopen.html" class="function" rel="rdfs-seeAlso">gzopen()</a> - Open gz-file</span></li>
<li class="member"><span class="function"><a href="gzgetc.html" class="function" rel="rdfs-seeAlso">gzgetc()</a> - Get character from gz-file pointer</span></li>
<li class="member"><span class="function"><a href="gzwrite.html" class="function" rel="rdfs-seeAlso">gzwrite()</a> - Binary-safe gz-file write</span></li>
</ul>
</p>
</div>
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