Where can find the theme function in the code?

The index.php does create an empty page. I trace down to it and execution stops when it runs this command:

print theme('page', $return);

Comments

dman’s picture

the theme() function always ends up calling the appropriate equivalent of "theme_{arg1}()"
In this case theme_page()

... or possibly your custom theme version of that same task, as defined in your template.php:mytheme_page() or page.tpl.php

You may have a misconfigured, or missing, theme enabled.

.dan.
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