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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>Compresses the current Phar entry with either zlib or bzip2 compression</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="pharfileinfo.chmod.html">PharFileInfo::chmod</a></div> <div class="next" style="text-align: right; float: right;"><a href="pharfileinfo.construct.html">PharFileInfo::__construct</a></div> <div class="up"><a href="class.PharFileInfo.html">PharFileInfo</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="pharfileinfo.compress" class="refentry"> <div class="refnamediv"> <h1 class="refname">PharFileInfo::compress</h1> <p class="verinfo">(No version information available, might be only in CVS)</p><p class="refpurpose"><span class="refname">PharFileInfo::compress</span> — <span class="dc-title">Compresses the current Phar entry with either zlib or bzip2 compression</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>PharFileInfo::compress</b></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$compression</tt></span> )</div> <p class="para rdfs-comment"> This method compresses the file inside the Phar archive using either bzip2 compression or zlib compression. The <a href="ref.bzip2.html" class="link">bzip2</a> or <a href="ref.zlib.html" class="link">zlib</a> extension must be enabled to take advantage of this feature. In addition, if the file is already compressed, the respective extension must be enabled in order to decompress the file. As with all functionality that modifies the contents of a phar, the <a href="phar.configuration.html#ini.phar.readonly" class="link">phar.readonly</a> INI variable must be off in order to succeed if the file is within a <a href="class.Phar.html" class="classname">Phar</a> archive. Files within <a href="class.PharData.html" class="classname">PharData</a> archives do not have this restriction. </p> </div> <div class="refsect1 errors"> <h3 class="title">Errors/Exceptions</h3> <p class="para"> Throws <b class="classname">BadMethodCallException</b> if the <a href="phar.configuration.html#ini.phar.readonly" class="link">phar.readonly</a> INI variable is on, or if the <a href="ref.bzip2.html" class="link">bzip2</a>/<a href="ref.zlib.html" class="link">zlib</a> extension is not available. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 A <b>PharFileInfo::compress()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #007700">try {<br /> </span><span style="color: #0000BB">$p </span><span style="color: #007700">= new </span><span style="color: #0000BB">Phar</span><span style="color: #007700">(</span><span style="color: #DD0000">'/path/to/my.phar'</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #DD0000">'my.phar'</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$p</span><span style="color: #007700">[</span><span style="color: #DD0000">'myfile.txt'</span><span style="color: #007700">] = </span><span style="color: #DD0000">'hi'</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$file </span><span style="color: #007700">= </span><span style="color: #0000BB">$p</span><span style="color: #007700">[</span><span style="color: #DD0000">'myfile.txt'</span><span style="color: #007700">];<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$file</span><span style="color: #007700">-></span><span style="color: #0000BB">isCompressed</span><span style="color: #007700">(</span><span style="color: #0000BB">Phar</span><span style="color: #007700">::</span><span style="color: #0000BB">BZ2</span><span style="color: #007700">));<br /> </span><span style="color: #0000BB">$p</span><span style="color: #007700">[</span><span style="color: #DD0000">'myfile.txt'</span><span style="color: #007700">]-></span><span style="color: #0000BB">compress</span><span style="color: #007700">(</span><span style="color: #0000BB">Phar</span><span style="color: #007700">::</span><span style="color: #0000BB">BZ2</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$file</span><span style="color: #007700">-></span><span style="color: #0000BB">isCompressed</span><span style="color: #007700">(</span><span style="color: #0000BB">Phar</span><span style="color: #007700">::</span><span style="color: #0000BB">BZ2</span><span style="color: #007700">));<br />} catch (</span><span style="color: #0000BB">Exception $e</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">'Create/modify operations on my.phar failed: '</span><span style="color: #007700">, </span><span style="color: #0000BB">$e</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>bool(false)bool(true)</pre></div> </pre></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="pharfileinfo.getcompressedsize.html" class="function" rel="rdfs-seeAlso">PharFileInfo::getCompressedSize()</a></li> <li class="member"><a href="pharfileinfo.iscompressed.html" class="function" rel="rdfs-seeAlso">PharFileInfo::isCompressed()</a></li> <li class="member"><a href="pharfileinfo.decompress.html" class="function" rel="rdfs-seeAlso">PharFileInfo::decompress()</a></li> <li class="member"><a href="phar.cancompress.html" class="function" rel="rdfs-seeAlso">Phar::canCompress()</a></li> <li class="member"><a href="phar.iscompressed.html" class="function" rel="rdfs-seeAlso">Phar::isCompressed()</a></li> <li class="member"><a href="phar.compressfiles.html" class="function" rel="rdfs-seeAlso">Phar::compressFiles()</a></li> <li class="member"><a href="phar.decompressfiles.html" class="function" rel="rdfs-seeAlso">Phar::decompressFiles()</a></li> <li class="member"><a href="phar.compress.html" class="function" rel="rdfs-seeAlso">Phar::compress()</a></li> <li class="member"><a href="phar.decompress.html" class="function" rel="rdfs-seeAlso">Phar::decompress()</a></li> <li class="member"><a href="phar.getsupportedcompression.html" class="function" rel="rdfs-seeAlso">Phar::getSupportedCompression()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="pharfileinfo.chmod.html">PharFileInfo::chmod</a></div> <div class="next" style="text-align: right; float: right;"><a href="pharfileinfo.construct.html">PharFileInfo::__construct</a></div> <div class="up"><a href="class.PharFileInfo.html">PharFileInfo</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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