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03.16.2008 at 08:54PM PDT, ID: 23246125
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7.1

Caching PHP Query Results

Asked by arthur_raft2 in PHP Scripting Language, RSS, WebApplications

Hello,

On my website, I use scripts to call up some RSS data (actually a weather forecast) - I call up scripts 2 ways - some by PHP and other by Javascript. Examples of both are below:

BY PHP
<?php
$s_Source = file_get_contents('http://webservice.weatherzone.com.au/rss/rss2.php?code=9477&obs=1&fc=1&warn=1');
file_put_contents('C:\stuff.html', $s_Source);
$s_Regex = '`<b>Temperature:</b> (\d+\.\d*?&#176;C).*<b>Relative humidity:</b> (\d+%)<br />`sim';
preg_match($s_Regex, $s_Source, $a_Match);
print_r($a_Match[2]);
?>

AND, BY JAVASCRIPT
<script type="text/javascript">function pipeCallback(obj) { document.write(""); var x; for (x = 0; x < obj.count ; x++) {  var buildstring = obj.value.items[x].description;  document.write(buildstring);  buildstring = null; } document.write;}</script>
<script type="text/javascript"  src="http://pipes.yahoo.com/pipes/pipe.run?_id=ViZr_vDu3BG8Q9WTxQnzeQ&_render=json&amp;_callback=pipeCallback"></script>

My site is deployed via a CMS (Joomla 1.5 actually) - Caching is active on my site, but it doesnt seem to apply to data called by the above scripts. Hence this feed is slowing my site down.

What I'm looking for is some code I could appy that would cache the results for around 30 minutes.

Any suggestions? I dont know much code (I'm just a hack), so scripting suggestions would be welcomed.

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About this solution

Zones: PHP Scripting Language, RSS, WebApplications
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Solution Provided By: seanious
Participating Experts: 3
Solution Grade: A
 
 
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