public function testZScan()
{
$this->redis->del('testZScan');
$key = 'testZScan';
$members = ['testScan', 'testScanHello', 'testScanHallo', 'testScanHaallo', 'testScanHoula', 'testScan2', 'testScanHello2', 'testScanHallo2', 'testScanHaallo2', 'testScanHoula2', 'testScan3', 'testScanHello3', 'testScanHallo3', 'testScanHaallo3', 'testScanHoula3'];
foreach ($members as $member) {
$this->redis->zAdd($key, 1.0, $member);
}
// a bit tricky to test, since we can't determine the outcome of a single iteration (or can we?)
// so we just iterate until the iterator is exhausted and then compare the final results
$iterator = 0;
// we unroll the iteration here, to have better control over the involved values
$result = $this->redis->zScan($key, $iterator);
$this->assertNotEmpty($result);
foreach ($members as $member) {
$this->assertArrayHasKey($member, $result);
}
$this->assertSame(15, count($result));
$this->assertSame(0, $iterator);
$smembers = $this->redis->zRange($key, 0, 100, true);
ksort($smembers);
ksort($result);
$this->assertSame($smembers, $result);
$result1 = $this->redis->zScan($key, $iterator, 'testScanH?llo', 20);
$this->assertArrayHasKey('testScanHello', $result1);
$this->assertArrayHasKey('testScanHallo', $result1);
$this->assertEquals(2, count($result1));
$this->assertSame(0, $iterator);
}
/**
* Returns a range of elements from the ordered set stored at the specified key,
* with values in the range [start, end]. start and stop are interpreted as zero-based indices:
* 0 the first element,
* 1 the second ...
* -1 the last element,
* -2 the penultimate ...
*
* @param string $key
* @param int $start
* @param int $end
* @param bool $withscores optional
*
* @return array Array containing the values in specified range.
* @link http://redis.io/commands/zrange
* @example
* <pre>
* $redis->zAdd('key1', 0, 'val0');
* $redis->zAdd('key1', 2, 'val2');
* $redis->zAdd('key1', 10, 'val10');
* $redis->zRange('key1', 0, -1); // array('val0', 'val2', 'val10')
* // with scores
* $redis->zRange('key1', 0, -1, true); // array('val0' => 0, 'val2' => 2, 'val10' => 10)
* </pre>
*/
public function zRange($key, $start, $end, $withscores = false)
{
try {
return $this->client->zRange($key, $start, $end, $withscores);
} catch (Exception $e) {
return $this->handleException($e, __FUNCTION__, func_get_args());
}
}
/**
* Returns a range of elements from the ordered set stored at the specified key,
* with values in the range [start, end]. start and stop are interpreted as zero-based indices:
* 0 the first element,
* 1 the second ...
* -1 the last element,
* -2 the penultimate ...
*
* @param string $key
* @param int $start
* @param int $end
* @param bool $withscores optional
*
* @return array Array containing the values in specified range.
* @link http://redis.io/commands/zrange
* @example
* <pre>
* $redis->zAdd('key1', 0, 'val0');
* $redis->zAdd('key1', 2, 'val2');
* $redis->zAdd('key1', 10, 'val10');
* $redis->zRange('key1', 0, -1); // array('val0', 'val2', 'val10')
* // with scores
* $redis->zRange('key1', 0, -1, true); // array('val0' => 0, 'val2' => 2, 'val10' => 10)
* </pre>
*/
public function zRange($key, $start, $end, $withscores = false)
{
$this->appendToLog('ZRANGE ' . $key . ' ' . $start . ' ' . $end . ($withscores ? ' WITHSCORES' : null));
return $this->client->zRange($key, $start, $end, $withscores);
}
