Comparison operators " ! " is not used in same way. should be same.

[anilhada]

Code structure should be same.

In admin.php file. See line number 215 ...... if (! isset($_GETnoheader?))

and

In admin.php file. See line number 247 ..... if ( !isset($_GETnoheader?))

[audrasjb]

Hi and welcome !

I guess you need to update your WP core test version to trunk: ​http://core.svn.wordpress.org/trunk/
I don’t see any difference between these two lines (in trunk, L. 229 & 263), it is correct in both cases :)

Cheers,
Jb

[netweb]

Thanks for the ticket @anilhada, as @audrasjb has alluded to this has since been fixed, in fact, it was fixed in [42343] and will ship as part of the upcoming WordPress 5.0