换行的源代码？

Question

I'm making a simple global get configuration.

try to make a index.php

function config( $string ){
    require 'configuration.php';
    return $config[$string];
}

echo config('hello');
echo config('hello');

and a configuration.php

$config['hello'] = TRUE;

and yes as we can see it outputs 1.

but when we see the source, it will give us something like

sorry for the stupid question, but I just cant stop asking.

Thanks for looking in.

Answer 1

Are there any newlines before your <?PHP - Tag or after the ?> in your 'configuration.php' ? If so, remove them, because PHP outputs everything it sees directly to the browser, if it's not enclosed by PHP Tags.