Colour filters example

The code below is the source for this graph.

<?php
// Colour filters example
require_once 'SVGGraph/autoloader.php';

$settings = [
  'auto_fit' => true,
  'axis_font' => 'Arial',
  'axis_font_size' => 12,
  'grid_division_v' => 20,
  'bar_round' => 10,
  'bar_space' => 20,
  'stroke_width' => 5,
  'stroke_colour' => 'fillColour/brightness(-20%)',
  'grid_colour' => ['#aaa','#f00'],
];

$values = [
  155, 98, 122, 85, 94, 112, 120, 88
];

$colours = [
  'red',
  'red/hue(30)',
  'red/hue(60)',
  'red/hue(90)',
  'red/hue(120)',
  'red/hue(150)',
  'red/hue(180)',
  'red/hue(210)',
];

$graph = new Goat1000\SVGGraph\SVGGraph(670, 300, $settings);
$graph->values($values);
$graph->colours($colours);
$graph->render('BarGraph');

Please note: the source code above comes from a script used to generate one of the example graphs on the site. This is simply a wrapper page to apply highlighting and make the source code easier to read, so there is no content here to describe what the source code is doing.