function.gzuncompress.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>Uncompress a compressed string</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.gztell.html">gztell</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.gzwrite.html">gzwrite</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.gzuncompress" class="refentry"> <div class="refnamediv"> <h1 class="refname">gzuncompress</h1> <p class="verinfo">(PHP 4 >= 4.0.1, PHP 5)</p><p class="refpurpose"><span class="refname">gzuncompress</span> — <span class="dc-title">Uncompress a compressed string</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><b>gzuncompress</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$data</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$length</tt></span> ] )</div> <p class="para rdfs-comment"> This function uncompress a compressed string. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">data</tt></i></span> <dd> <p class="para"> The data compressed by <a href="function.gzcompress.html" class="function">gzcompress()</a>. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">length</tt></i></span> <dd> <p class="para"> The maximum length of data to decode. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> The original uncompressed data or <b><tt>FALSE</tt></b> on error. </p> <p class="para"> The function will return an error if the uncompressed data is more than 32768 times the length of the compressed input <i><tt class="parameter">data</tt></i> or more than the optional parameter <i><tt class="parameter">length</tt></i>. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>gzuncompress()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$compressed </span><span style="color: #007700">= </span><span style="color: #0000BB">gzcompress</span><span style="color: #007700">(</span><span style="color: #DD0000">'Compress me'</span><span style="color: #007700">, </span><span style="color: #0000BB">9</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$uncompressed </span><span style="color: #007700">= </span><span style="color: #0000BB">gzuncompress</span><span style="color: #007700">(</span><span style="color: #0000BB">$compressed</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">$uncompressed</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.gzcompress.html" class="function" rel="rdfs-seeAlso">gzcompress()</a></li> <li class="member"><a href="function.gzinflate.html" class="function" rel="rdfs-seeAlso">gzinflate()</a></li> <li class="member"><a href="function.gzdeflate.html" class="function" rel="rdfs-seeAlso">gzdeflate()</a></li> <li class="member"><a href="function.gzencode.html" class="function" rel="rdfs-seeAlso">gzencode()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.gztell.html">gztell</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.gzwrite.html">gzwrite</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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