Here are real life values of YOURLS_DB_DRIVER people use in their YOURLS config.php (data fetched on April 2022)
DB driver |
---|
gae |
mongodb |
mssql |
mysql |
mysqli |
mysqlli |
pdo |
pdo_mysql |
pgsql |
postgresql |
sqlite3 |
sqlsrv |
unknown |
unset |
YOURLS_DB_DRIVER |