/** * Test format_phone(). * * @since 2.4 */ public function test_format_phone() { $this->assertEquals('+00-000-00-00-000', WC_Validation::format_phone('+00.000.00.00.000')); $this->assertEquals('+00 000 00 00 000', WC_Validation::format_phone('+00 000 00 00 000')); }