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<title>Ping a server connection or reconnect if there is no connection</title>
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<h1 class="refname">cubrid_ping</h1>
<p class="verinfo">(PECL CUBRID >= 8.3.1)</p><p class="refpurpose"><span class="refname">cubrid_ping</span> — <span class="dc-title">Ping a server connection or reconnect if there is no connection</span></p>
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<div class="refsect1 description" id="refsect1-function.cubrid-ping-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">bool</span> <span class="methodname"><strong>cubrid_ping</strong></span>
([ <span class="methodparam"><span class="type">resource</span> <code class="parameter">$conn_identifier</code></span>
] )</div>
<p class="para rdfs-comment">
Checks whether or not the connection to the server is working.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.cubrid-ping-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">conn_identifier</code></em></span>
<dd>
<p class="para">
The CUBRID connection identifier. If the connection identifier is not
specified, the last connection opened by
<span class="function"><a href="function.cubrid-connect.html" class="function">cubrid_connect()</a></span> is assumed.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.cubrid-ping-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns <strong><code>TRUE</code></strong> if the connection to the server CUBRID server is working, otherwise <strong><code>FALSE</code></strong>.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.cubrid-ping-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-1084">
<p><strong>Example #1 <span class="function"><strong>cubrid_ping()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />set_time_limit</span><span style="color: #007700">(</span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">, </span><span style="color: #0000BB">33000</span><span style="color: #007700">, </span><span style="color: #DD0000">'demodb'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Assuming this query will take a long time */<br /></span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #DD0000">"select * from athlete"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$sql</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$result</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">'Query #1 failed, exiting.'</span><span style="color: #007700">;<br /> exit;<br />}<br /><br /></span><span style="color: #FF8000">/* Make sure the connection is still alive, if not, try to reconnect */<br /></span><span style="color: #007700">if (!</span><span style="color: #0000BB">cubrid_ping</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #DD0000">'Lost connection, exiting after query #1'</span><span style="color: #007700">;<br /> exit;<br />}<br /></span><span style="color: #0000BB">cubrid_free_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* So the connection is still alive, let's run another query */<br /></span><span style="color: #0000BB">$sql2 </span><span style="color: #007700">= </span><span style="color: #DD0000">"select * from code"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$result2 </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$sql2</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
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