Comment 'You have old PHP ver...' to 'Can't use function return value in write context'

Comment to Can't use function return value in write context

· Alex T⚜️

· 2017-07-27T15:31:43+0000
You have old PHP version, we've recently changed minimal requirements, please use at least PHP 5.5

https://github.com/unaio/una/wiki/Requirements

Even if you fix the problem in this place then similar problem will appear somewhere else.