The task below overwhelms my PHP skills. That's why I'm asking for help here. In the MyBB forum, when registering, users must: Provide a 5-digit invoice number.
olcpixelgameengine
static-linking
nv12-nv21
jenkins-2
blazer
angular-cli
angular-structural-directive
git-submodules
font-size
meteor-up
twitterkit
node-expat
activerecord
del
docker-ps
fuelcms
google-cloud-shell
dll-reference
fits
googleplacesautocomplete
nelmiocorsbundle
laravel-horizon
fly
huobi
dev-c++
polipo
event-handling
reactive-programming
python-daemon
erlang-supervisor