<?php

    use Cogitatio\Sparkline\Sparkline;

    $values = [ 3, 4, 5, 6, 12, 90, 1, 0, 0 ];
    $sparkline = new Sparkline(100, 100);
    // Add a dataset
    $sparkline->addDataSet($values, 'nrOfUsers');
    
    // decide how to show it:
    $sparline->addSpark('line', array('nrOfUsers'));
    // other posiblities:
    $sparline->addSpark('percentShift', array('nrOfUsers'));
    $sparline->addSpark('difference', array('nrOfUsers'));


    // Then render the svg element somewhere on your page:

    echo $sparkline->render();