Since you are printing binary image data, you should be setting binmode: 
binmode STDOUT;
print $myimage->png;

[download]
Also, if you are writing a web service, I'd suggest using CGI rather than rolling your own headers. See Ovid's CGI Course - Resurrected and Updated! for a tutorial.

#11929 First ask yourself `How would I do this without a computer?' Then have the computer do it the same way.

In reply to Re: gd::graph returns unicode by kennethk
in thread gd::graph returns unicode by lutus65

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