/** * test_zip method * * @return void */ public function test_zip() { $this->assertTrue(ApollonValidation::zip('810-0001')); $this->assertTrue(ApollonValidation::zip('8100001')); $this->assertFalse(ApollonValidation::zip('810000')); $this->assertFalse(ApollonValidation::zip('8100-001')); $this->assertFalse(ApollonValidation::zip('810-000a')); }