<? dl("libexample.so"); # Call our gcd() function $x = 42; $y = 105; $g = gcd($x,$y); print "The gcd of $x and $y is $g\n"; # Manipulate the Foo global variable # Output its current value print "Foo = " . $Foo . "\n"; # Change its value $Foo = 3.1415926; # See if the change took effect ( this isn't a good example for php, see # manual for why. ) print "Foo = " . $Foo . "\n"; ?>