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<?
class Shape {
function __construct($numberOfSides = 3) {
}
}
$square = new Shape ( );
$classes = array ('Monkey', 'Pet' );
$interfaces = array ('Pet', 'Product', 'Customer', 'Bird' );
foreach ( $classes as $class )
printf ( "The class '%s' is %sdefined.<br />\n", $class, class_exists ( $class, FALSE ) ? '' : 'un' );
foreach ( $interfaces as $interface )
printf ( "The interface '%s' is %sdefined.<br />\n", $interface, interface_exists ( $interface, FALSE ) ? '' : 'un' );
printf ( "Shape class methods: %s\n", implode ( ', ', get_class_methods ( 'Shape' ) ) );
printf ( "Pet interface methods: %s\n", implode ( ', ', get_class_methods ( 'Pet' ) ) );
?>
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