SDK
SDK PHP v3.x
1

# bitcount

Counts the number of set bits (population counting) in a string.

[Redis documentation]


# bitcount(key, [options], callback)

Arguments Type Description
key string Key identifier
options JSON Object Optional parameters
callback function Callback

# Options

Option Type Description Default
end int Ending offset -1
queuable boolean Make this request queuable or not true
start int Starting offset 0

# Callback Response

Return an integer containing the count of set bits.

# Usage

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<?php
use \Kuzzle\Kuzzle;
$kuzzle = new Kuzzle('localhost');
try {
  $count = $kuzzle->memoryStorage()->bitcount('key');
}
catch (ErrorException $e) {
}

Callback response:

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