function.rpm-is-valid.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>Tests a filename for validity as an RPM file</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.rpm-get-tag.html">rpm_get_tag</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.rpm-open.html">rpm_open</a></div> <div class="up"><a href="ref.rpmreader.html">RPM Reader Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.rpm-is-valid" class="refentry"> <div class="refnamediv"> <h1 class="refname">rpm_is_valid</h1> <p class="verinfo">(PECL rpmreader:0.1-0.3)</p><p class="refpurpose"><span class="refname">rpm_is_valid</span> — <span class="dc-title">Tests a filename for validity as an RPM file</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>rpm_is_valid</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$filename</tt></span> )</div> <p class="para rdfs-comment"> <b>rpm_is_valid()</b> will test an RPM file for validity as an RPM file. This is not the same as <a href="function.rpm-open.html" class="function">rpm_open()</a> as it only checks the file for validity but does not return a file pointer to be used by further functions. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">filename</tt></i></span> <dd> <p class="para"> The filename of the RPM file you wish to check for validity. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>rpm_is_valid()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br />$file </span><span style="color: #007700">= </span><span style="color: #DD0000">"/path/to/file.rpm"</span><span style="color: #007700">;<br /><br />if (</span><span style="color: #0000BB">rpm_is_valid</span><span style="color: #007700">(</span><span style="color: #0000BB">$file</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #DD0000">"File is recognized as an RPM file.<br>\n"</span><span style="color: #007700">;<br />}<br />else {<br /> echo </span><span style="color: #DD0000">"File is not recognized as an RPM file.<br>\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.rpm-get-tag.html">rpm_get_tag</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.rpm-open.html">rpm_open</a></div> <div class="up"><a href="ref.rpmreader.html">RPM Reader 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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