/** * Test getting the cardinality of a sorted set */ public function testZcard() { $this->redis->del('testZcard'); $this->assertEquals(1, $this->redis->zadd('testZcard', 1, 'one')); $this->assertEquals(1, $this->redis->zadd('testZcard', 2, 'two')); $cardinality = $this->redis->zcard('testZcard'); $this->assertInternalType('int', $cardinality); $this->assertEquals(2, $cardinality); $this->assertEquals(0, $this->redis->zcard('testZcardUnknown')); }