Restore compatibility with PHP 5.3.3
Restore compatibility with PHP 5.3.3

https://github.com/FreshRSS/FreshRSS/issues/1208

aledeg/FreshRSS,romibi/FreshRSS,romibi/FreshRSS,Alkarex/FreshRSS,FreshRSS/FreshRSS,romibi/FreshRSS,marienfressinaud/FreshRSS,marienfressinaud/FreshRSS,Alkarex/FreshRSS,aledeg/FreshRSS,Alkarex/FreshRSS,FreshRSS/FreshRSS,marienfressinaud/FreshRSS,FreshRSS/FreshRSS,Alkarex/FreshRSS,FreshRSS/FreshRSS,romibi/FreshRSS,aledeg/FreshRSS,aledeg/FreshRSS,marienfressinaud/FreshRSS