I don't understand what is going on with a simple example I created to
understand how GD graphics are presented in a web page.
First I created the following simple script (in a file named graphic.php):
// file: graphic.php
<?php
$image = imagecreatefrompng("my_graphic.png");
imagepng($image);
?>
I load that script with my web browser, the image is displayed as expected.
Now if I treat graphic.php as an image, and reference in another page using
the <img src=graphic.php> tag as in the following:
// my_page.php
<html>
<head>
<title>Untitled Document</title>
</head>
<body>
<img src=graphic.php>
</body>
</html>
The page again displays my_graphic.png.
However if I replace:
<img src=graphic.php>
with
<img src=<?php
$image = imagecreatefrompng("my_graphic.png");
imagepng($image);
?> >
my_graphic.png is no longer displayed and the web page gets filled with
random characters.
Why is this happening or what am I missing.
Thanks for any insight.
Chris
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