phar.hasmetadata.html
来自「php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容」· HTML 代码 · 共 91 行
HTML
91 行
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Returns whether phar has global meta-data</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="phar.getversion.html">Phar::getVersion</a></div> <div class="next" style="text-align: right; float: right;"><a href="phar.interceptfilefuncs.html">Phar::interceptFileFuncs</a></div> <div class="up"><a href="class.Phar.html">Phar</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="phar.hasmetadata" class="refentry"> <div class="refnamediv"> <h1 class="refname">Phar::hasMetaData</h1> <p class="verinfo">(PECL phar:1.2.0-1.2.1)</p><p class="refpurpose"><span class="refname">Phar::hasMetaData</span> — <span class="dc-title">Returns whether phar has global meta-data</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>Phar::hasMetadata</b></b></span> ( <span class="methodparam">void</span> )</div> <p class="para rdfs-comment"> Returns whether phar has global meta-data set. </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 meta-data has been set, and <b><tt>FALSE</tt></b> if not. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 A <b>Phar::hasMetaData()</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">$phar </span><span style="color: #007700">= new </span><span style="color: #0000BB">Phar</span><span style="color: #007700">(</span><span style="color: #DD0000">'myphar.phar'</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$phar</span><span style="color: #007700">-></span><span style="color: #0000BB">hasMetadata</span><span style="color: #007700">());<br /> </span><span style="color: #0000BB">$phar</span><span style="color: #007700">-></span><span style="color: #0000BB">setMetadata</span><span style="color: #007700">(array(</span><span style="color: #DD0000">'thing' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'hi'</span><span style="color: #007700">));<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$phar</span><span style="color: #007700">-></span><span style="color: #0000BB">hasMetadata</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">hasMetadata</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 error<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="phar.getmetadata.html" class="function" rel="rdfs-seeAlso">Phar::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.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="phar.getversion.html">Phar::getVersion</a></div> <div class="next" style="text-align: right; float: right;"><a href="phar.interceptfilefuncs.html">Phar::interceptFileFuncs</a></div> <div class="up"><a href="class.Phar.html">Phar</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?