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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>Get version of an ID3 tag</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.id3-get-tag.html">id3_get_tag</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.id3-remove-tag.html">id3_remove_tag</a></div> <div class="up"><a href="ref.id3.html">ID3 Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.id3-get-version" class="refentry"> <div class="refnamediv"> <h1 class="refname">id3_get_version</h1> <p class="verinfo">(PECL id3:0.1-0.2)</p><p class="refpurpose"><span class="refname">id3_get_version</span> — <span class="dc-title">Get version of an ID3 tag</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>id3_get_version</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$filename</tt></span> )</div> <p class="para rdfs-comment"> <b>id3_get_version()</b> retrieves the version(s) of the ID3 tag(s) in the MP3 file. </p> <p class="para"> If a file contains an ID3 v1.1 tag, it always contains a 1.0 tag, as version 1.1 is just an extension of 1.0. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">filename</tt></i></span> <dd> <p class="para"> The path to the MP3 file </p> <p class="para"> Instead of a filename you may also pass a valid stream resource </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the version number of the ID3 tag of the file. As a tag can contain ID3 v1.x and v2.x tags, the return value of this function should be bitwise compared with the predefined constants <b><tt>ID3_V1_0</tt></b>, <b><tt>ID3_V1_1</tt></b> and <b><tt>ID3_V2</tt></b>. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>id3_get_version()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$version </span><span style="color: #007700">= </span><span style="color: #0000BB">id3_get_version</span><span style="color: #007700">( </span><span style="color: #DD0000">"path/to/example.mp3" </span><span style="color: #007700">);<br />if (</span><span style="color: #0000BB">$version </span><span style="color: #007700">& </span><span style="color: #0000BB">ID3_V1_0</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"Contains a 1.x tag\n"</span><span style="color: #007700">;<br />}<br />if (</span><span style="color: #0000BB">$version </span><span style="color: #007700">& </span><span style="color: #0000BB">ID3_V1_1</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"Contains a 1.1 tag\n"</span><span style="color: #007700">;<br />}<br />if (</span><span style="color: #0000BB">$version </span><span style="color: #007700">& </span><span style="color: #0000BB">ID3_V2</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"Contains a 2.x tag\n"</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 something similar to:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>Contains a 1.x tagContains a 1.1 tag</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="function.id3-set-tag.html" class="function" rel="rdfs-seeAlso">id3_set_tag()</a></li> <li class="member"><a href="function.id3-get-tag.html" class="function" rel="rdfs-seeAlso">id3_get_tag()</a></li> <li class="member"><a href="function.id3-remove-tag.html" class="function" rel="rdfs-seeAlso">id3_remove_tag()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.id3-get-tag.html">id3_get_tag</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.id3-remove-tag.html">id3_remove_tag</a></div> <div class="up"><a href="ref.id3.html">ID3 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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