Fix phpDoc comments
Fix phpDoc comments

No need to check if the match is empty, as we can directly check if we have matches

FreshRSS/simplepie,wikidi/simplepie,songfj/simplepie,skyzyx/simplepie,songfj/simplepie,barryvdh/simplepie,simplepie/simplepie,mblaney/simplepie,ropik/simplepie,songfj/simplepie,FreshRSS/simplepie,wikidi/simplepie,blat/simplepie,wikidi/simplepie,Alkarex/simplepie,barryvdh/simplepie,blat/simplepie,simplepie/simplepie,Alexia/SimplePie,ropik/simplepie,skyzyx/simplepie,gsnedders/complexpie,Alkarex/simplepie,barryvdh/simplepie,Alexia/SimplePie,Alkarex/simplepie,mblaney/simplepie,blat/simplepie