📄 function.gzopen.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Open gz-file</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.gzinflate.html">gzinflate</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.gzpassthru.html">gzpassthru</a></div> <div class="up"><a href="ref.zlib.html">Zlib Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.gzopen" class="refentry"> <div class="refnamediv"> <h1 class="refname">gzopen</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">gzopen</span> — <span class="dc-title">Open gz-file</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">resource</span> <span class="methodname"><b><b>gzopen</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$filename</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$mode</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$use_include_path</tt></span> ] )</div> <p class="para rdfs-comment"> Opens a gzip (.gz) file for reading or writing. </p> <p class="para"> <b>gzopen()</b> can be used to read a file which is not in gzip format; in this case <a href="function.gzread.html" class="function">gzread()</a> will directly read from the file without decompression. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">filename</tt></i></span> <dd> <p class="para"> The file name. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">mode</tt></i></span> <dd> <p class="para"> As in <a href="function.fopen.html" class="function">fopen()</a> (<i>rb</i> or <i>wb</i>) but can also include a compression level (<i>wb9</i>) or a strategy: <i>f</i> for filtered data as in <i>wb6f</i>, <i>h</i> for <i>Huffman only compression</i> as in <i>wb1h</i>. (See the description of deflateInit2 in <var class="filename">zlib.h</var> for more information about the strategy parameter.) </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">use_include_path</tt></i></span> <dd> <p class="para"> You can set this optional parameter to <i>1</i>, if you want to search for the file in the <a href="ini.core.html#ini.include-path" class="link">include_path</a> too. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns a file pointer to the file opened, after that, everything you read from this file descriptor will be transparently decompressed and what you write gets compressed. </p> <p class="para"> If the open fails, the function returns <b><tt>FALSE</tt></b>. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>gzopen()</b> Example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$fp </span><span style="color: #007700">= </span><span style="color: #0000BB">gzopen</span><span style="color: #007700">(</span><span style="color: #DD0000">"/tmp/file.gz"</span><span style="color: #007700">, </span><span style="color: #DD0000">"r"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.gzclose.html" class="function" rel="rdfs-seeAlso">gzclose()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.gzinflate.html">gzinflate</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.gzpassthru.html">gzpassthru</a></div> <div class="up"><a href="ref.zlib.html">Zlib Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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