Sets
Sets are also friendly to use - you can use set just like as it's a PHP array:
<?php // Initialize Rediska $rediska = new Rediska(); // Initialize set $set = new Rediska_Key_Set('set'); // Add two elements to set $set[] = 'first element'; $set[] = 'second element'; // Get elements count echo count($set); #=> 2 // check if element is in set $isInSet = $set->exists('first element'); #=> true // Iterate set foreach($set as $element) { echo $element; } ?>