Test whether a file exists anywhere in the include path

Question

I\'m writing an autoload function and in the inner logic of it would like to test whether a certain file exists somewhere in the path prior to including it.

This is the

Answer 1

I've written a function that can test it nicely

function fileExists($file) {
    if(function_exists('stream_resolve_include_path'))
        return stream_resolve_include_path($file);
    else {
        $include_path = explode(PATH_SEPARATOR, get_include_path());
        foreach($include_path as $path)
            if(file_exists($path.DS.$file))
                return true;
        return false;
    }
}