Some Yii-based code to group contiguous array entries

gistfile1.aw

<?php

class Available extends CQueue {
}

class Booked extends CQueue {
}

class Unavailable extends CQueue {
}

class PlayController extends Controller
{

    public function actionIndex() {
        $arr = array(
            array('city'=>'abc','scheduled'=>1,'reserved'=>0),
            array('city'=>'abc','scheduled'=>1,'reserved'=>0),
            array('city'=>'abc','scheduled'=>0,'reserved'=>0),
            array('city'=>'abc','scheduled'=>0,'reserved'=>0),
            array('city'=>'abc','scheduled'=>1,'reserved'=>1),
            array('city'=>'abc','scheduled'=>1,'reserved'=>1),
            array('city'=>'abc','scheduled'=>1,'reserved'=>0),
            array('city'=>'abc','scheduled'=>1,'reserved'=>0),
            array('city'=>'abc','scheduled'=>1,'reserved'=>0),
            array('city'=>'abc','scheduled'=>1,'reserved'=>0),
            array('city'=>'abc','scheduled'=>1,'reserved'=>0),
            array('city'=>'abc','scheduled'=>1,'reserved'=>0),
            array('city'=>'abc','scheduled'=>1,'reserved'=>1),
            array('city'=>'efg','scheduled'=>0,'reserved'=>0),
            array('city'=>'efg','scheduled'=>0,'reserved'=>0),
            array('city'=>'efg','scheduled'=>1,'reserved'=>1),
            array('city'=>'efg','scheduled'=>1,'reserved'=>1),
            array('city'=>'efg','scheduled'=>1,'reserved'=>1),
            array('city'=>'efg','scheduled'=>1,'reserved'=>0),
            array('city'=>'efg','scheduled'=>1,'reserved'=>0),
            array('city'=>'efg','scheduled'=>1,'reserved'=>0),
            array('city'=>'efg','scheduled'=>1,'reserved'=>0),
            array('city'=>'efg','scheduled'=>1,'reserved'=>0),
            array('city'=>'efg','scheduled'=>1,'reserved'=>0),
            array('city'=>'efg','scheduled'=>1,'reserved'=>0),
            array('city'=>'efg','scheduled'=>1,'reserved'=>0),
            array('city'=>'efg','scheduled'=>1,'reserved'=>0),
        );

        $queue = new CQueue;
        $keyMap = array_flip(array('city','scheduled','reserved'));
        array_map(function($a)use($queue,$keyMap){
            static $hash, $q;
            $temphash = md5(serialize(array_intersect_key($a, $keyMap)));
            if (!isset($hash) || $temphash !== $hash) {
                $hash = $temphash;

                if ($a['scheduled']===0)
                    $class = 'Unavailable';
                elseif ($a['scheduled']===1 && $a['reserved']===0)
                    $class = 'Available';
                elseif ($a['scheduled']===1 && $a['reserved']===1)
                    $class = 'Booked';

                /**
                 * @var $q CQueue
                 */
                $q = new $class;
                /**
                 * @var $queue CQueue
                 */
                $queue->enqueue($q);
            }
            $q->enqueue($a);
        }, $arr);

        #CVarDumper::dump($queue, 5, true);

        foreach($queue as $q) {
            $count = count($q);
            if ($q instanceof Available && $count<6)
                $type = 'Unavailable';
            else
                $type = get_class($q);

            /**
             * Loop individual entries for display if needed
             */
            /*foreach($q as $qq) {
                // $qq is individual entry
            }*/

            /**
             * Quick display hack
             */
            echo implode(' | ', array_fill(0, $count, $type)); echo '<br />';
        }
    }

}