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<title>Get the header name for an index</title>
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<h1 class="refname">exif_tagname</h1>
<p class="verinfo">(PHP 4 >= 4.2.0, PHP 5)</p><p class="refpurpose"><span class="refname">exif_tagname</span> — <span class="dc-title">Get the header name for an index</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.exif-tagname-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">string</span> <span class="methodname"><strong>exif_tagname</strong></span>
( <span class="methodparam"><span class="type">int</span> <code class="parameter">$index</code></span>
)</div>
</div>
<div class="refsect1 parameters" id="refsect1-function.exif-tagname-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">index</code></em></span>
<dd>
<p class="para">
The Tag ID for which a Tag Name will be looked up.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.exif-tagname-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the header name, or <strong><code>FALSE</code></strong> if <em><code class="parameter">index</code></em> is
not a defined EXIF tag id.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.exif-tagname-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-3164">
<p><strong>Example #1 <span class="function"><strong>exif_tagname()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">"256: "</span><span style="color: #007700">.</span><span style="color: #0000BB">exif_tagname</span><span style="color: #007700">(</span><span style="color: #0000BB">256</span><span style="color: #007700">).</span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br />echo </span><span style="color: #DD0000">"257: "</span><span style="color: #007700">.</span><span style="color: #0000BB">exif_tagname</span><span style="color: #007700">(</span><span style="color: #0000BB">257</span><span style="color: #007700">).</span><span style="color: #0000BB">PHP_EOL</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 screen">
<div class="cdata"><pre>
256: ImageWidth
257: ImageLength
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.exif-tagname-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.exif-imagetype.html" class="function" rel="rdfs-seeAlso">exif_imagetype()</a> - Determine the type of an image</span></li>
<li class="member"><a href="http://exif.org/Exif2-2.PDF" class="link external">» EXIF Specification</a></li>
<li class="member"><a href="http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/EXIF.html" class="link external">» EXIF Tags</a></li>
</ul>
</p>
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