pharfileinfo.delmetadata.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>Deletes the metadata of the entry</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.decompress.html">PharFileInfo::decompress</a></div> <div class="next" style="text-align: right; float: right;"><a href="pharfileinfo.getcrc32.html">PharFileInfo::getCRC32</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.delmetadata" class="refentry"> <div class="refnamediv"> <h1 class="refname">PharFileInfo::delMetadata</h1> <p class="verinfo">(PECL phar:1.2.0-1.2.1)</p><p class="refpurpose"><span class="refname">PharFileInfo::delMetadata</span> — <span class="dc-title">Deletes the metadata of the entry</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::delMetadata</b></b></span> ( <span class="methodparam">void</span> )</div> <p class="para rdfs-comment"> Deletes the metadata of the entry, if any. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> No parameters. </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> if successful, <b><tt>FALSE</tt></b> if the entry had no metadata. 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 <a href="class.PharException.html" class="classname">PharException</a> if errors occurred while flushing changes to disk, and <b class="classname">BadMethodCallException</b> if write access is disabled. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 A <b>PharFileInfo::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">$a </span><span style="color: #007700">= new </span><span style="color: #0000BB">Phar</span><span style="color: #007700">(</span><span style="color: #DD0000">'myphar.phar'</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$a</span><span style="color: #007700">[</span><span style="color: #DD0000">'hi'</span><span style="color: #007700">] = </span><span style="color: #DD0000">'hi'</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">[</span><span style="color: #DD0000">'hi'</span><span style="color: #007700">]-></span><span style="color: #0000BB">delMetadata</span><span style="color: #007700">());<br /> </span><span style="color: #0000BB">$a</span><span style="color: #007700">[</span><span style="color: #DD0000">'hi'</span><span style="color: #007700">]-></span><span style="color: #0000BB">setMetadata</span><span style="color: #007700">(</span><span style="color: #DD0000">'there'</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">[</span><span style="color: #DD0000">'hi'</span><span style="color: #007700">]-></span><span style="color: #0000BB">delMetadata</span><span style="color: #007700">());<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">[</span><span style="color: #DD0000">'hi'</span><span style="color: #007700">]-></span><span style="color: #0000BB">delMetadata</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>bool(false)bool(true)bool(false)</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.setmetadata.html" class="function" rel="rdfs-seeAlso">PharFileInfo::setMetadata()</a></li> <li class="member"><a href="pharfileinfo.hasmetadata.html" class="function" rel="rdfs-seeAlso">PharFileInfo::hasMetadata()</a></li> <li class="member"><a href="pharfileinfo.getmetadata.html" class="function" rel="rdfs-seeAlso">PharFileInfo::getMetadata()</a></li> <li class="member"><a href="phardata.setmetadata.html" class="function" rel="rdfs-seeAlso">Phar::setMetadata()</a></li> <li class="member"><a href="phar.hasmetadata.html" class="function" rel="rdfs-seeAlso">Phar::hasMetadata()</a></li> <li class="member"><a href="phar.getmetadata.html" class="function" rel="rdfs-seeAlso">Phar::getMetadata()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="pharfileinfo.decompress.html">PharFileInfo::decompress</a></div> <div class="next" style="text-align: right; float: right;"><a href="pharfileinfo.getcrc32.html">PharFileInfo::getCRC32</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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