I'm using google charts easy php class (here's the link of it) and i want to draw Multiple Vertical Bar Chart, as the documentation says "Separate multiple data sets with |" so i try this , but nothing happens
$chart1=new googleChart($a | $b ,'bary' );
* Unutmayın $ a & hem $ B dizilerdir
i herhangi bir yardım takdir ediyorum :)