Graph multicolor area line : <p>i need to create graph as <a href="https://i.stack.imgur.com/BGAO6.png" rel="nofollow noreferrer">showed on image</a>.</p>

<p>One line with color filled area,
if point value is more than zero than color of line and area is green, else red.</p>

<p>How can i do this? JS (some plugin?) or PHP (imagick, gd) </p>
