Just to avoid users from trying this with a to new (untested) php version
* Moved the check logic to 1 place
* All directly callable scripts just require this on top
* exit hard (-1) so we know scripts won't continue
* Return status 500 so no sync clients will try fancy stuff
Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
Roeland Jago Douma