public function testVariableDelete() { $this->assertSame('oof', EE::get('foo')); $this->assertTrue(EE::un_set('foo')); $this->assertNull(EE::get('foo')); $this->assertFalse(EE::un_set('cat', 'dog', 'x')); $this->assertTrue(EE::un_set('x', 'y')); $this->assertTrue(EE::un_set('x')); }