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<?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.
require("example.php");
# ----- Object creation -----
print "Creating some objects:\n";
$c = new_Circle(10);
print " Created circle $c\n";
$s = new_Square(10);
print " Created square $s\n";
# ----- Access a static member -----
print "\nA total of " . nshapes() . " shapes were created\n";
# ----- Member data access -----
# Set the location of the object.
# Note: methods in the base class Shape are used since
# x and y are defined there.
Shape_x_set($c, 20);
Shape_y_set($c, 30);
Shape_x_set($s,-10);
Shape_y_set($s,5);
print "\nHere is their current position:\n";
print " Circle = (" . Shape_x_get($c) . "," . Shape_y_get($c) . ")\n";
print " Square = (" . Shape_x_get($s) . "," . Shape_y_get($s) . ")\n";
# ----- Call some methods -----
# Notice how the Shape_area() and Shape_perimeter() functions really
# invoke the appropriate virtual method on each object.
print "\nHere are some properties of the shapes:\n";
foreach (array($c,$s) as $o) {
print " $o\n";
print " area = " . Shape_area($o) . "\n";
print " perimeter = " . Shape_perimeter($o) . "\n";
}
# ----- Delete everything -----
print "\nGuess I'll clean up now\n";
# Note: this invokes the virtual destructor
#delete_Shape($c);
#delete_Shape($s);
$c = NULL;
$s = NULL;
# and don't forget the $o from the for loop above. It still refers to
# the square.
$o = NULL;
print nshapes() . " shapes remain\n";
print "Goodbye\n";
?>
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