File: recurse

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<?

function factorial($n)
{
	if ($n==0 || $n==1) {
		return 1;
	} else {
		return $n*factorial($n-1);
	}
}


for ($k=0; $k<10; $k++):
for ($i=0,$sum=0; $i<50; $i++) {
	$sum = $sum+factorial($i);
}
endfor;

print "\$sum=$sum\n";