I'm trying to save a chart via PHP on my server. The image gets
saved, but it says it cannot be displayed because of errors. It also
renders fine in the browser.
Any help appreciated.
Here is my code:
function saveImage($chart_url,$local_image_path,$image_name) {
//initialize curl
$ch = curl_init($chart_url);
//open file to write image to
$fp = fopen($local_image_path.$image_name, "wb");
// set URL and other appropriate options
$options = array(CURLOPT_FILE => $fp,
CURLOPT_HEADER => 0,
CURLOPT_FOLLOWLOCATION => 1,
CURLOPT_TIMEOUT => 60);
curl_setopt_array($ch, $options);
//get the image
curl_exec($ch);
//close the connection
curl_close($ch);
//finish writing to the file
fclose($fp);
}
$local_image_path = 'cache/';
$image_name = 'some_chart_image.png';
$chart_url = 'http://chart.apis.google.com/chart?cht=lc&chls=3,6,3|
1,1,0&chco=67bd4b&chf=bg,s,efefef|c,lg,ddffd3,1,ffffff,0&chm=h,67bd4b,
1,7.0,1.0|B,ddffd3,1,0,0&chd=t:-1|
50,50,50,50,50,50,50,100,50,50,50,50&chxt=x,y&chxl=0:|Sept 1|Sept 15|
Sept 30|1:|0|1|2&chxp=0,Sept 1,Sept 15,Sept 30|
1,0,1,2&chxr=1,0,2&chtt=Actions&chs=300x200';
saveImage($chart_url, $local_image_path, $image_name);
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