/**
* Removes the specified members from the set value stored at key.
*
* @param string $key
* @param string|array $members
*
* @return int The number of elements removed from the set.
* @link http://redis.io/commands/srem
* @example
* <pre>
* var_dump( $redis->sAdd('k', array('v1', 'v2', 'v3')) ); // int(3)
* var_dump( $redis->sRem('k', array('v2', 'v3')) ); // int(2)
* var_dump( $redis->sMembers('k') );
* //// Output:
* // array(1) {
* // [0]=> string(2) "v1"
* // }
* </pre>
*/
public function sRem($key, $members)
{
try {
return $this->client->sRem($key, $members);
} catch (Exception $e) {
return $this->handleException($e, __FUNCTION__, func_get_args());
}
}
public function sRem($key, $member1, $member2 = null, $memberN = null)
{
$args = func_get_args();
if (count($args) > 2) {
$this->signalError('Call to sRem() with more than 2 arguments.');
// shift off key
array_shift($args);
return $this->redis->sRem($key, $args);
}
return $this->redis->sRem($key, $member1);
}
/**
* Test removing a set member
*/
public function testSrem()
{
$this->redis->del('testSrem');
$this->assertEquals(1, $this->redis->sadd('testSrem', 'a'));
$this->assertEquals(1, $this->redis->sadd('testSrem', 'b'));
$this->assertEquals(1, $this->redis->sadd('testSrem', 'c'));
$this->assertEquals(1, $this->redis->sadd('testSrem', 'd'));
$sremResult = $this->redis->srem('testSrem', 'b');
$this->assertInternalType('int', $sremResult);
$this->assertEquals(1, $sremResult);
$this->assertEquals(2, $this->redis->srem('testSrem', array('c', 'd')));
$this->assertEquals(array('a'), $this->redis->smembers('testSrem'));
// make sure varargs are not supported
$this->redis->sAdd('testSrem1', array('f', 'g', 'h'));
$this->assertEquals(1, $this->redis->sRem('testSrem1', 'f', 'g'));
$this->assertEquals(2, $this->redis->sCard('testSrem1'));
$this->assertTrue($this->redis->sIsMember('testSrem1', 'g'));
$this->assertEquals(1, $this->redis->del('testSrem1'));
}
/**
* Removes the specified members from the set value stored at key.
*
* @param string $key
* @param string|array $members
*
* @return int The number of elements removed from the set.
* @link http://redis.io/commands/srem
* @example
* <pre>
* var_dump( $redis->sAdd('k', array('v1', 'v2', 'v3')) ); // int(3)
* var_dump( $redis->sRem('k', array('v2', 'v3')) ); // int(2)
* var_dump( $redis->sMembers('k') );
* //// Output:
* // array(1) {
* // [0]=> string(2) "v1"
* // }
* </pre>
*/
public function sRem($key, $members)
{
$this->appendToLog('SREM ' . $key . ' ' . $this->keysToString($members));
return $this->client->sRem($key, $members);
}
