Roland Häder 1213fce8e5 Fixes/rewrites on videos.php (#5489) ...

* Fixes/rewrites:
- use empty()/isset() instead of deprecated x()
- merged 2 nested if() blocks into one
- avoided nested if() block inside else block by rewriting it to elseif()
- $contact_id is an integer, let's test on > 0 here
- added a lot spaces and some empty lines for better readability

* CR request:
- removed stray spaces
- added some where they improve readability

2018-07-24 22:54:00 -04:00

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