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set_time_limit(0); // run script forever
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do{
// add the script that has to be ran every 15 minutes here
// ...
sleep($interval); // wait 15 minutes
}while(true);
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$arrData = array() ;
$i = 0 ;
foreach( $qp as $child )
{
print_r( $arrData );
echo "<br/>hi<br/>";
unset($arrSub);
$arrSub = array() ;
array_push( $arrData , &$arrSub );
print_r( $arrData ......