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<div class="refnamediv">
<h1 class="refname">dba_handlers</h1>
<p class="verinfo">(PHP 4 >= 4.3.0, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">dba_handlers</span> — <span class="dc-title">List all the handlers available</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.dba-handlers-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">array</span> <span class="methodname"><strong>dba_handlers</strong></span>
([ <span class="methodparam"><span class="type">bool</span> <code class="parameter">$full_info</code><span class="initializer"> = <strong><code>FALSE</code></strong></span></span>
] )</div>
<p class="para rdfs-comment">
<span class="function"><strong>dba_handlers()</strong></span> list all the handlers supported by this
extension.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.dba-handlers-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">full_info</code></dt>
<dd>
<p class="para">
Turns on/off full information display in the result.
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.dba-handlers-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns an array of database handlers. If <code class="parameter">full_info</code>
is set to <strong><code>TRUE</code></strong>, the array will be associative with the handlers names as
keys, and their version information as value. Otherwise, the result will be
an indexed array of handlers names.
</p>
<blockquote class="note"><p><strong class="note">Note</strong>:
<p class="para">
When the internal cdb library is used you will see
<em>cdb</em> and <em>cdb_make</em>.
</p>
</p></blockquote>
</div>
<div class="refsect1 examples" id="refsect1-function.dba-handlers-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="openssl_spki_export.example.keygen">
<p><strong>Example #1 <span class="function"><strong>dba_handlers()</strong></span> Example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">"Available DBA handlers:\n"</span><span style="color: #007700">;<br />foreach (</span><span style="color: #0000BB">dba_handlers</span><span style="color: #007700">(</span><span style="color: #0000BB">true</span><span style="color: #007700">) as </span><span style="color: #0000BB">$handler_name </span><span style="color: #007700">=> </span><span style="color: #0000BB">$handler_version</span><span style="color: #007700">) {<br /> </span><span style="color: #FF8000">// clean the versions<br /> </span><span style="color: #0000BB">$handler_version </span><span style="color: #007700">= </span><span style="color: #0000BB">str_replace</span><span style="color: #007700">(</span><span style="color: #DD0000">'$'</span><span style="color: #007700">, </span><span style="color: #DD0000">''</span><span style="color: #007700">, </span><span style="color: #0000BB">$handler_version</span><span style="color: #007700">);<br /> echo </span><span style="color: #DD0000">" - </span><span style="color: #0000BB">$handler_name</span><span style="color: #DD0000">: </span><span style="color: #0000BB">$handler_version</span><span style="color: #DD0000">\n"</span><span style="color: #007700">;<br />}<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 screen">
<div class="cdata"><pre>
Available DBA handlers:
- cdb: 0.75, Revision: 1.3.2.3
- cdb_make: 0.75, Revision: 1.2.2.4
- db2: Sleepycat Software: Berkeley DB 2.7.7: (08/20/99)
- inifile: 1.0, Revision: 1.6.2.3
- flatfile: 1.0, Revision: 1.5.2.4
</pre></div>
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