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"; $b = 0; echo "b is " . is_scalar($b) . "
"; $c = 32; echo "c is " . is_scalar($c) . "
"; $d = NULL; echo "d is " . is_scalar($d) . "
"; $e = array("red", "green", "blue"); echo "e is " . is_scalar($e) . "
"; ?>
a is 1
b is 1
c is 1
d is
e is