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basic-programs/php/factorial.php at master · techpavan/basic-programs · GitHub
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<?php
/**
* Calculate a factorial given a number.
* For different results, change the function call.
*/
function
factorial
(
$
number
) {
if
(
$
number
<
2
) {
return
1
;
}
else
{
return
(
$
number
*
factorial
(
$
number
-
1
));
}
}
$
res
=
factorial
(
4
);
echo
$
res
;
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