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<title>Determine if GeoIP Database is available</title>
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<div class="refnamediv">
<h1 class="refname">geoip_db_avail</h1>
<p class="verinfo">(PECL geoip >= 1.0.1)</p><p class="refpurpose"><span class="refname">geoip_db_avail</span> — <span class="dc-title">Determine if GeoIP Database is available</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.geoip-db-avail-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">bool</span> <span class="methodname"><strong>geoip_db_avail</strong></span>
( <span class="methodparam"><span class="type">int</span> <code class="parameter">$database</code></span>
)</div>
<p class="para rdfs-comment">
The <span class="function"><strong>geoip_db_avail()</strong></span> function returns if the corresponding
GeoIP Database is available and can be opened on disk.
</p>
<p class="para">
It does not indicate if the file is a proper database, only if it is readable.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.geoip-db-avail-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">database</code></em></span>
<dd>
<p class="para">
The database type as an integer. You can use the
<a href="geoip.constants.html" class="link">various constants</a> defined with
this extension (ie: GEOIP_*_EDITION).
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.geoip-db-avail-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns <strong><code>TRUE</code></strong> is database exists, <strong><code>FALSE</code></strong> if not found, or <strong><code>NULL</code></strong> on error.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.geoip-db-avail-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-3734">
<p><strong>Example #1 A <span class="function"><strong>geoip_db_avail()</strong></span> example</strong></p>
<div class="example-contents"><p>
This will output the current database version string.
</p></div>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br /></span><span style="color: #007700">if (</span><span style="color: #0000BB">geoip_db_avail</span><span style="color: #007700">(</span><span style="color: #0000BB">GEOIP_COUNTRY_EDITION</span><span style="color: #007700">))<br /> print </span><span style="color: #0000BB">geoip_database_info</span><span style="color: #007700">(</span><span style="color: #0000BB">GEOIP_COUNTRY_EDITION</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>
GEO-106FREE 20080801 Build 1 Copyright (c) 2006 MaxMind LLC All Rights Reserved
</pre></div>
</div>
</div>
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