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POImproving polling with ajax and php
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  1. POImproving polling with ajax and php
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    copied!<p>This is working, however I think it maybe resorce hungry, is there any way to improve it?</p> <p>Adds callback to db(test.php):</p> <pre><code>extract($_REQUEST); $query = "INSERT INTO calls ( `timestamp`, `fromnum`, `tonum` ) VALUES ( NOW(), '".mysql_real_escape_string( $from )."', '".mysql_real_escape_string( $to )."' )"; $sql = mysql_query($query) or die(mysql_error()); </code></pre> <p>Gets the last entry in the calls table (queue.php):</p> <pre><code>$result = mysql_query("SELECT fromnum FROM calls WHERE tonum = '$tonum' ORDER BY timestamp DESC LIMIT 1"); while($row = mysql_fetch_array($result)) { $fromnum = $row['fromnum']; } // Get caller info from contacts db $result = mysql_query("SELECT * FROM contacts WHERE phone = '$fromnum'"); while($row = mysql_fetch_array($result)) { echo '&lt;table width="100%" border="0"&gt; &lt;tr&gt; &lt;td width="33%"&gt;Account Number&lt;/td&gt; &lt;td width="33%"&gt;Contact Name&lt;/td&gt; &lt;td width="33%"&gt;Phone Number&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;'.$row['number'].'&lt;/td&gt; &lt;td&gt;'.$row['name'].'&lt;/td&gt; &lt;td&gt;'.$row['phone'].'&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;'; } </code></pre> <p>Call the info from queue.php(listen.php):</p> <pre><code>var auto_refresh = setInterval( function () { $('#response').load('queue.php').fadeIn("slow"); }, 1000); // refresh every 10000 milliseconds &lt;/script&gt; &lt;div id="response"&gt;&lt;/div&gt; </code></pre> <p>Thanks for looking, any help welcome!</p> <p>Cheers, B.</p>
 

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