[owtchart-users] write URL request to a .gif file

[Daniel Morissette]

acadeddu at crs4.it wrote:
> 
> I'm writing because I want use owtchart to generating graph and 
> outputting it in a pdf file. I'm using PHP.
> I'm able to assemble the information into a URL for the online owtchart 
> service but I can't save the image in a "tmp" directory as a ".gif 
> file", and then print it in a .pdf doc.
> I will be grateful if someone help me to manage, using php script, a 
> URL string request like this(http://localhost/cgi-bin/owtchart?
> TYPE=3DBar&VALS=$val&NumPts=5) for fetch image and write it to file.
> 

One way to do this could be to use file_get_contents() and 
file_put_contents():

<?php
   $image_data = 
file_get_contents("http://localhost/cgi-bin/owtchart?TYPE=3DBar&VALS=$val&NumPts=5");
   $num_bytes_written = file_put_contents("/tmp/test.gif", $image_data);
?>

I didn't test the code above, but I've used variants of that to download 
files in the past and according to PHP docs that should do what you want 
(requires PHP > 4.3.0 to be binary safe).

Actually, even simpler than that, maybe the copy() function would work:

<?php
 
copy("http://localhost/cgi-bin/owtchart?TYPE=3DBar&VALS=$val&NumPts=5", 
"/tmp/test.gif");
?>

Daniel
-- 
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  Daniel Morissette               dmorissette at dmsolutions.ca
  DM Solutions Group              http://www.dmsolutions.ca/
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