change api.php in function api_item_get_user to check if $usercache is NULL before checking an element in it
change api.php in function api_item_get_user to check if $usercache is NULL before checking an element in it

mjfriaza/hubzilla,zotlabs/hubzilla,redmatrix/hubzilla,anaqreon/hubzilla,wave72/hubzilla-dev,encyclomundi/hubzilla,HaakonME/redmatrix,dissolve/friendica,anaqreon/redmatrix,dawnbreak/redmatrix,HaakonME/hubzilla,dissolve/friendica,cutec-chris/friendica,wave72/hubzilla-dev,anaqreon/hubzilla,redmatrix/redmatrix,git-marijus/hubzilla,encyclomundi/hubzilla,mjfriaza/hubzilla,dawnbreak/redmatrix,cutec-chris/friendica,git-marijus/hubzilla,encyclomundi/hubzilla,wave72/hubzilla-dev,kenrestivo/hubzilla,dawnbreak/hubzilla,HaakonME/redmatrix,unary/redmatrix,friendica/friendica,sasiflo/hubzilla,dawnbreak/hubzilla,unary/prate.io,kenrestivo/hubzilla,beardyunixer/redmatrix,waitman/red,dawnbreak/redmatrix,dissolve/friendica,redmatrix/hubzilla,strk/friendica,tugelbend/friendica,phellmes/hubzilla,encyclomundi/hubzilla,fabrixxm/friendica,sasiflo/hubzilla,waitman/red,23n/friendica,zzottel/hubzilla,fermionic/friendica,anaqreon/hubzilla,wave72/hubzilla-dev,HaakonME/hubzilla,mrjive/hubzilla,wave72/hubzilla-dev,dawnbreak/redmatrix,tobiasd/friendica,strk/friendica,phellmes/hubzilla,zzottel/hubzilla,annando/friendica,friendica/red,HaakonME/hubzilla,kenrestivo/hubzilla,annando/friendica,friendica/red,mrjive/hubzilla,dawnbreak/redmatrix,strk/friendica,zzottel/hubzilla,tugelbend/friendica,redmatrix/hubzilla,sasiflo/hubzilla,fermionic/friendica,git-marijus/hubzilla,anaqreon/hubzilla,git-marijus/hubzilla,phellmes/hubzilla,beardyunixer/federated-global-directory,unary/redmatrix,beardyunixer/federated-global-directory,zzottel/hubzilla,fabrixxm/friendica,mjfriaza/hubzilla,annando/friendica,zotlabs/hubzilla,friendica/red,tobiasd/friendica,strk/friendica,kenrestivo/hubzilla,habeascodice/redmatrix,HaakonME/hubzilla,friendica/red,HaakonME/redmatrix,dawnbreak/redmatrix,redmatrix/redmatrix,sasiflo/hubzilla,redmatrix/redmatrix,HaakonME/redmatrix,beardyunixer/redmatrix,redmatrix/redmatrix,phellmes/hubzilla,beardyunixer/federated-global-directory,phellmes/hubzilla,habeascodice/redmatrix,habeascodice/redmatrix,redmatrix/redmatrix,beardyunixer/redmatrix,sasiflo/hubzilla,zotlabs/hubzilla,anaqreon/redmatrix,dissolve/friendica,tobiasd/friendica,mjfriaza/hubzilla,zzottel/hubzilla,git-marijus/hubzilla,tobiasd/friendica,beardyunixer/federated-global-directory,solstag/redmatrix,fabrixxm/friendica,encyclomundi/hubzilla,cutec-chris/friendica,zotlabs/hubzilla,git-marijus/hubzilla,mrjive/hubzilla,kenrestivo/hubzilla,anaqreon/redmatrix,habeascodice/redmatrix,beardyunixer/federated-global-directory,anaqreon/redmatrix,anaqreon/redmatrix,redmatrix/hubzilla,mjfriaza/hubzilla,mrjive/hubzilla,anaqreon/redmatrix,solstag/redmatrix,unary/prate.io,friendica/red,git-marijus/hubzilla,23n/friendica,annando/friendica,zotlabs/hubzilla,friendica/friendica,friendica/friendica,HaakonME/hubzilla,mjfriaza/hubzilla,fermionic/friendica,redmatrix/hubzilla,solstag/redmatrix,dawnbreak/hubzilla,kenrestivo/hubzilla,dawnbreak/hubzilla,habeascodice/redmatrix,friendica/red,sasiflo/hubzilla,fabrixxm/friendica,strk/friendica,beardyunixer/redmatrix,23n/friendica,mjfriaza/hubzilla,dissolve/friendica,solstag/redmatrix,beardyunixer/federated-global-directory,zzottel/hubzilla,mrjive/hubzilla,waitman/red,kenrestivo/hubzilla,cutec-chris/friendica,unary/prate.io,unary/redmatrix,friendica/friendica,zzottel/hubzilla,tugelbend/friendica,tobiasd/friendica,phellmes/hubzilla,friendica/friendica,habeascodice/redmatrix,wave72/hubzilla-dev,unary/redmatrix,encyclomundi/hubzilla,fabrixxm/friendica,HaakonME/redmatrix,waitman/red,HaakonME/hubzilla,dawnbreak/redmatrix,anaqreon/redmatrix,zotlabs/hubzilla,phellmes/hubzilla,unary/redmatrix,HaakonME/redmatrix,23n/friendica,encyclomundi/hubzilla,beardyunixer/redmatrix,beardyunixer/redmatrix,anaqreon/hubzilla,solstag/redmatrix,unary/redmatrix,waitman/red,wave72/hubzilla-dev,HaakonME/redmatrix,redmatrix/hubzilla,habeascodice/redmatrix,redmatrix/redmatrix,anaqreon/hubzilla,tugelbend/friendica,solstag/redmatrix,dawnbreak/hubzilla,beardyunixer/federated-global-directory,tugelbend/friendica,redmatrix/redmatrix,dawnbreak/hubzilla,unary/redmatrix,friendica/red,zotlabs/hubzilla,beardyunixer/redmatrix,mrjive/hubzilla,solstag/redmatrix,HaakonME/hubzilla,annando/friendica,fermionic/friendica