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ignore_user_abort(); // run script in background
set_time_limit(0); // run script forever
$interval=60*15; // do every 15 minutes...
do{
// add the script that has to be ran every 15 minutes here
// ...
sleep($interval); // wait 15 minutes
}while(true);

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foreach( $qp as $child )
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echo "<br/>hi<br/>";
unset($arrSub);
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FastTemplate
http://www.thewebmasters.net/php/FastTemplate.phtml
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