I've just found the difference: http://helpmenow.dalibor-sojic.info/test/difference.png (graph.txt is actualy graph.png).
So... the difference is "\r\n" I think... and I wonder why it is there. On Sep 5, 3:45 pm, Dalibor Sojic <[email protected]> wrote: > Here is the code: > > Function: > $ch = curl_init('http://chart.apis.google.com/chart? > chid='.md5(uniqid(rand(), true)).'&'.http_build_query($this->_post)); > curl_setopt($ch, CURLOPT_HEADER, 0); > curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); > curl_setopt($ch,CURLOPT_POST,count($this->_post)); > > curl_setopt($ch,CURLOPT_POSTFIELDS,http_build_query($this->_post)); > $response = curl_exec($ch); > > $file = fopen('/path/to/test/graph.png', 'w+'); > > fwrite($file, $response); > > fclose($file); > > return $response; > > In main .php I have: > > header('Content-Type: image/png'); > echo $chart; > > As you can see... I save the response into .png > filehttp://helpmenow.dalibor-sojic.info/test/graph.pngcalled > byhttp://helpmenow.dalibor-sojic.info/adsl/graph > > Saved response into .png image is working, but... "dynamically" > generated is not working. > > Here is the difference between headers in both cases: > > Workinghttp://helpmenow.dalibor-sojic.info/test/graph.png > HTTP/1.1 200 OK > Date: Sun, 05 Sep 2010 13:35:06 GMT > Server: Apache > Last-Modified: Sun, 05 Sep 2010 13:34:55 GMT > Accept-Ranges: bytes > Content-Length: 1845 > Expires: Thu, 15 Apr 2011 20:00:00 GMT > Connection: close > Content-Type: image/png > > Non workinghttp://helpmenow.dalibor-sojic.info/adsl/graph > HTTP/1.1 200 OK > Date: Sun, 05 Sep 2010 13:35:07 GMT > Server: Apache > X-Powered-By: PHP/5.3.2 > Content-Length: 1847 > Connection: close > Content-Type: image/png > > As you can see... the main difference is Content-Length > > Dynamically generated png is 2 bytes longer > > I've tried with "trim($response)" but... nothing happened. > > Any hint? > > On Aug 22, 12:41 am, Dalibor Sojic <[email protected]> wrote: > > > > > Yes, I have tried. The request is valid. > > > It is not problem with request.... I get PNG response, but.... the > > browser can not "render" it. > > > On Aug 20, 8:04 pm, John Pettitt <[email protected]> wrote: > > > > have you tried adding chof=validate and seeing what error is triggering > > > the problem? > > > > On Aug 20, 2010, at 10:59 AM, Dalibor Sojic wrote: > > > > > Any hint? > > > > > On Aug 18, 3:47 pm, Dalibor Sojic <[email protected]> wrote: > > > >>http://helpmenow.dalibor-sojic.info/adsl/graph > > > > >> This is with > > > > >> $context = stream_context_create( > > > >> array('http' => array( > > > >> 'method' => 'POST', > > > >> 'content' => http_build_query($this->_post), > > > >> 'header' => "Content-Type: application/x-www-form-urlencoded\r > > > >> \n"))); > > > >> fpassthru(fopen('http://chart.apis.google.com/chart', 'r', false, > > > >> $context)); > > > > >> ---------- Forwarded message ---------- > > > >> From: Rémi Lanvin <[email protected]> > > > >> Date: Aug 18, 3:11 pm > > > >> Subject: Chart over php (curl or fpassthru) > > > >> To: Google Chart API > > > > >> 2010/8/18 Dalibor Sojic <[email protected]>: > > > > >>> I'm trying to use google chart sending post parametars, but always get > > > >>> image: The image “URL” cannot be displayed, because it contains > > > >>> errors. > > > > >> Hello, > > > > >> Remove the header that sets the content-type to image/png and you'll > > > >> be able to see the errors/warnings triggered by PHP. > > > > >> -- > > > >> Rémihttp://googlechartphplib.cloudconnected.fr/ > > > > > -- > > > > You received this message because you are subscribed to the Google > > > > Groups "Google Chart API" group. > > > > To post to this group, send email to [email protected]. > > > > To unsubscribe from this group, send email to > > > > [email protected]. > > > > For more options, visit this group > > > > athttp://groups.google.com/group/google-chart-api?hl=en. -- You received this message because you are subscribed to the Google Groups "Google Chart API" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-chart-api?hl=en.
