| <?php | |
| # This file illustrates the low-level C++ interface | |
| # created by SWIG. In this case, all of our C++ classes | |
| # get converted into function calls. | |
| include("example.php"); | |
| # ----- Object creation ----- | |
| print "Creating some objects:\n"; | |
| $c = example::CircleFactory(10); | |
| print " Created circle \$c with area ". $c->area() ."\n"; | |
| $s = new Square(10); | |
| print " Created square \$s\n"; | |
| # ----- Access a static member ----- | |
| print "\nA total of " . Shape::nshapes() . " shapes were created\n"; | |
| # ----- Member data access ----- | |
| # Set the location of the object. | |
| # Note: methods in the base class Shape are used since | |
| # x and y are defined there. | |
| $c->x = 20; | |
| $c->y = 30; | |
| $s->x = -10; | |
| $s->y = 5; | |
| print "\nHere is their current position:\n"; | |
| print " Circle = (" . $c->x . "," . $c->y . ")\n"; | |
| print " Square = (" . $s->x . "," . $s->y . ")\n"; | |
| # ----- Call some methods ----- | |
| print "\nHere are some properties of the shapes:\n"; | |
| foreach (array($c,$s) as $o) { | |
| print " ".get_class($o)." \$o\n"; | |
| print " x = " . $o->x . "\n"; | |
| print " y = " . $o->y . "\n"; | |
| print " area = " . $o->area() . "\n"; | |
| print " perimeter = " . $o->perimeter() . "\n"; | |
| } | |
| # Need to unset($o) or else we hang on to a reference to the Square object. | |
| unset($o); | |
| # ----- Delete everything ----- | |
| print "\nGuess I'll clean up now\n"; | |
| # Note: this invokes the virtual destructor | |
| unset($c); | |
| $s = 42; | |
| print Shape::nshapes() . " shapes remain\n"; | |
| print "Manually setting nshapes\n"; | |
| Shape::nshapes(42); | |
| print Shape::get_nshapes() ." == 42\n"; | |
| print "Goodbye\n"; |