Add helpful hint on how to upgrade PHP
Add helpful hint on how to upgrade PHP

billmn/core,Luceos/core,falconchen/core,falconchen/core,zaksoup/core,zaksoup/core,datitisev/core,renyuneyun/core,billmn/core,Luceos/core,vuthaihoc/core,kirkbushell/core,Albert221/core,datitisev/core,flarum/core,malayladu/core,jubianchi/core,malayladu/core,utkarshx/core,Luceos/core,utkarshx/core,dungphanxuan/core,jubianchi/core,Luceos/core,vuthaihoc/core,Onyx47/core,dungphanxuan/core,renyuneyun/core,kirkbushell/core,dungphanxuan/core,malayladu/core,flarum/core,kidaa/core,datitisev/core,kidaa/core,Albert221/core,billmn/core,Onyx47/core,Onyx47/core,malayladu/core,kirkbushell/core,flarum/core,renyuneyun/core,Albert221/core,datitisev/core,Albert221/core,zaksoup/core,kirkbushell/core,kidaa/core,falconchen/core,vuthaihoc/core,renyuneyun/core