I'm trying to use google chart sending post parametars, but always get
image: The image “URL” cannot be displayed, because it contains
errors.
Here is 2 methods I'm trying:
1.
$context = stream_context_create(
array('http' => array(
'method' => 'POST',
'content' => http_build_query($this->_post),
'header' => "Content-Type: application/x-www-form-urlencoded\r
\n")));
header('content-type: image/png');
fpassthru(fopen('http://chart.apis.google.com/chart', 'r', false,
$context));
2.
$ch = curl_init('http://chart.apis.google.com/chart?
chid='.md5(uniqid(rand(), true)).'&'.http_build_query($this->_post));
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 0);
curl_setopt($ch,CURLOPT_POST,count($this->_post));
curl_setopt($ch,CURLOPT_POSTFIELDS,http_build_query($this->_post));
$response = curl_exec($ch);
header('Content-Type: image/png');
echo $response;
In both cases I get same error.
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