Added check for the JSON extension
Added check for the JSON extension

ramiusGitHub/WCF,PhrozenByte/WCF2,WoltLab/WCF,WoltLab/WCF,MenesesEvandro/WCF,cashcat/WCF-1,WoltLab/WCF,Cyperghost/WCF,MenesesEvandro/WCF,joshuaruesweg/WCF,PhrozenByte/WCF2,joshuaruesweg/WCF,MeinAccount/WCF,Morik/WCF,SoftCreatR/WCF,Morik/WCF,Cyperghost/WCF,MeinAccount/WCF,joshuaruesweg/WCF,WoltLab/WCF,0xLeon/WCF,cashcat/WCF-1,SoftCreatR/WCF,SoftCreatR/WCF,NBZ4live/WCF,Cyperghost/WCF,Morik/WCF,SoftCreatR/WCF,Morik/WCF,Cyperghost/WCF,NBZ4live/WCF,ramiusGitHub/WCF,0xLeon/WCF,Cyperghost/WCF,0xLeon/WCF