In CodeIgniter, what is the purpose of the $db['default'] array found in the database configuration file?

  • It contains the default database query for all models
  • It defines the default database connection parameters
  • It is used to set the default database driver
  • It specifies the default database name for all controllers
The $db['default'] array in CodeIgniter's database configuration file is used to define the default database connection parameters.
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