i want to create a process flow chart whose value dynamically come from database in php

Google provide and wide api for drawing charts, refer to https://developers.google.com/chart/ basicly you retrive data from DB and do the processing you need and then sned the data to the api to draw the chart

I wnt to create dynamic flowchart like this http://www.smartdraw.com/specials/images/examples/flowchart-example-human-resources-hiring-process-flowchart.png

I used following charts in one of my project: - https://developers.google.com/chart/ - http://www.jqplot.com/tests/

You can learn how to do that here: http://www.phphaven.com/article.php?id=65