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- interface IntA {
-
- public void test_a();
-
- }
-
- interface IntB {
-
- public void test_b();
-
- }
-
- class TestA {
-
- public void test_a() {
- print("Hello world from TestA::test_a().\n");
- }
-
- }
-
- class TestB {
-
- public void test_b() {
- print("Hello world from TestB::test_b().\n");
- }
-
-
- }
-
- class TestC {
-
- public void test_c() {
- print("Hello world from TestC::test_c().\n");
- }
-
- }
-
- class TestD {
-
- public void test_a() {
- print("Hello world from TestD::test_a().\n");
- }
-
- }
-
- class TestE {
-
- public void test_b() {
- print("Hello world from TestE::test_b().\n");
- }
-
- }
-
- class Program extends TestE, TestD, TestC, TestB, TestA implements IntA, IntB {
-
- public void main() {
- $this->test_a();
- $this->test_b();
- $this->test_c();
- }
-
- }
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