Displaying Graph Using HighCharts

<?php
/* Render Line Charts using Drupal Highcharts 2.x */
function jicustom_chart_render($chart_arr){

  $options = new stdClass();

  // Diable credits.
  $options->credits->enabled = FALSE;

  // Chart.
  $options->chart = (object)array(
    'renderTo' => 'container',
    'type' => 'line',
  );

  $options->yAxis->title->text = "Y-axis Label";
  $options->xAxis->title->text = "X Axis Label Here" ;

  //Configurable depending on the range for Y axis. If left blank, it gets auto-calculated
  $options->yAxis->min=0;
  $options->yAxis->max=100;

  // Title.
  $options->title->text = t('Chart Header Title');
  $options->title->x = -20;
  $options->subtitle->text = t('Additional Info Here');
  $options->subtitle->x = -20;

  // Tooltip.
  // On hovering over a point in the line chart, this tool tip gets displayed
  $options->tooltip->formatter = "function() {return '<b>'+ this.series.name +'</b>: X axis data: '+ this.x +', Y-axis data: '+ this.y;}";

  $options->legend= (object)array(
    'layout' => 'vertical',
    'align' => 'right',
    'verticalAlign' => 'top',
    'x' => -10,
    'y' => 100,
    'borderWidth' => 0
  );

  $options->series = array();
  $series = new StdClass();
  $series->type = 'line';
  $series->name = 'Series Name'; // One can add multiple series for selection as well
  $series->data = array();

  foreach ($chart_arr as $key => $value) {
    $series->data[] = array($key, $value));
  }
  $options->series[] = $series;
  $series = NULL;
  if (is_object($options)) {
    // Optionally add styles or any other valid attributes, suitable for
    // drupal_attributes().
    $attributes = array('style' => array('height: 600px;'));
    return highcharts_render($options, $attributes); //Main Function that does rendering of the graph
  }
}
?>