function testImplode() { $string1 = new SafeString('String'); $string2 = new SafeString('Should'); $string3 = new SafeString('Join'); $stringArray = array($string1, $string2, $string3); $string4 = $string1->implode(',', $stringArray); $this->assertEquals($string4->unsafeRaw(), 'String,Should,Join'); }