alt-php83 modules available on disk (.so present = can be enabled in Selector):
  bcmath       : available
  curl         : — not on disk
  dom          : available
  exif         : — not on disk
  fileinfo     : available
  gd           : available
  gmp          : available
  imagick      : available
  intl         : available
  json         : — not on disk
  mbstring     : available
  memcached    : available
  mysqli       : available
  nd_mysqli    : available
  opcache      : available
  openssl      : — not on disk
  pdo_mysql    : available
  redis        : available
  simplexml    : — not on disk
  sodium       : available
  xml          : — not on disk
  zip          : available

Full alt-php83 module list on disk:
  amqp.so, apcu.so, bcmath.so, bitset.so, brotli.so, clos_ssa.so, dba.so, dbase.so, diseval.so, dom.so, eio.so, elastic_apm.so, enchant.so, ffi.so, fileinfo.so, gd.so, gearman.so, gender.so, geoip.so, geos.so, gmagick.so, gmp.so, gnupg.so, grpc.so, htscanner.so, http.so, i360.so, igbinary.so, imagick.so, imap.so, inotify.so, intl.so, ioncube_loader.so, jsmin.so, ldap.so, leveldb.so, luasandbox.so, lzf.so, mailparse.so, mbstring.so, mcrypt.so, memcache.so, memcached.so, mongodb.so, msgpack.so, mysqli.so, mysqlnd.so, nd_mysqli.so, nd_pdo_mysql.so, newrelic.so, oauth.so, oci8.so, odbc.so, opcache.so, pdf.so, pdo.so, pdo_dblib.so, pdo_firebird.so, pdo_mysql.so, pdo_oci.so, pdo_odbc.so, pdo_pgsql.so, pdo_sqlite.so, pdo_sqlsrv.so, pgsql.so, phalcon5.so, phar.so, posix.so, protobuf.so, pspell.so, psr.so, quickhash.so, raphf.so, rar.so, redis.so, rrd.so, scoutapm.so, snmp.so, snuffleupagus.so, soap.so, sockets.so, sodium.so, solr.so, sqlsrv.so, ssh2.so, stats.so, stomp.so, swoole.so, sysvmsg.so, sysvsem.so, sysvshm.so, tideways_xhprof.so, tidy.so, timezonedb.so, trader.so, translit.so, uploadprogress.so, uuid.so, vips.so, xdebug.so, xdiff.so, xmlreader.so, xmlrpc.so, xmlwriter.so, xray.so, xsl.so, yaf.so, yaml.so, yaz.so, zip.so, zmq.so