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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>Deletes the global metadata of a zip archive</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="phardata.decompressfiles.html">PharData::decompressFiles</a></div> <div class="next" style="text-align: right; float: right;"><a href="phardata.delete.html">PharData::delete</a></div> <div class="up"><a href="class.PharData.html">PharData</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="phardata.delmetadata" class="refentry"> <div class="refnamediv"> <h1 class="refname">PharData::delMetadata</h1> <p class="verinfo">(No version information available, might be only in CVS)</p><p class="refpurpose"><span class="refname">PharData::delMetadata</span> — <span class="dc-title">Deletes the global metadata of a zip archive</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">int</span> <span class="methodname"><b><b>PharData::delMetadata</b></b></span> ( <span class="methodparam">void</span> )</div> <blockquote><p><b class="note">Note</b>: Thismethod requires the <var class="filename">php.ini</var> setting <i>phar.readonly</i> to beset to <i>0</i> in order to work for <a href="class.Phar.html" class="classname">Phar</a>objects. Otherwise, a <a href="class.PharException.html" class="classname">PharException</a> will be thrown.<br /></p></blockquote> <p class="para"> Deletes the global metadata of the zip archive </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> returns <b><tt>TRUE</tt></b> on success, but it is better to check for thrown exception, and assume success if none is thrown. </p> </div> <div class="refsect1 errors"> <h3 class="title">Errors/Exceptions</h3> <p class="para"> Throws <a href="class.PharException.html" class="classname">PharException</a> if errors occur while flushing changes to disk. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 A <b>PharData::delMetaData()</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">$phar </span><span style="color: #007700">= new </span><span style="color: #0000BB">PharData</span><span style="color: #007700">(</span><span style="color: #DD0000">'myphar.zip'</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$phar</span><span style="color: #007700">-></span><span style="color: #0000BB">getMetadata</span><span style="color: #007700">());<br /> </span><span style="color: #0000BB">$phar</span><span style="color: #007700">-></span><span style="color: #0000BB">setMetadata</span><span style="color: #007700">(</span><span style="color: #DD0000">"hi there"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$phar</span><span style="color: #007700">-></span><span style="color: #0000BB">getMetadata</span><span style="color: #007700">());<br /> </span><span style="color: #0000BB">$phar</span><span style="color: #007700">-></span><span style="color: #0000BB">delMetadata</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$phar</span><span style="color: #007700">-></span><span style="color: #0000BB">getMetadata</span><span style="color: #007700">());<br />} catch (</span><span style="color: #0000BB">Exception $e</span><span style="color: #007700">) {<br /> </span><span style="color: #FF8000">// handle errors<br /></span><span style="color: #007700">}<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>NULLstring(8) "hi there"NULL</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="phar.delmetadata.html" class="function" rel="rdfs-seeAlso">Phar::delMetadata()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="phardata.decompressfiles.html">PharData::decompressFiles</a></div> <div class="next" style="text-align: right; float: right;"><a href="phardata.delete.html">PharData::delete</a></div> <div class="up"><a href="class.PharData.html">PharData</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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