CodeIgniter local database connection issue

Question

I have tried this to make local database connection. But it gives this error:

You have specified an invalid database connection group (ci_test) in your config/database.php file.

$db['default'] = array(
    'dsn'   => '',
    'hostname' => 'localhost',  // pass this
    'username' => 'root',  // pass this
    'password' => '',  // pass this
    'database' => 'ci_test',  // pass this
    'dbdriver' => 'mysqli',
    'dbprefix' => '',
    'pconnect' => TRUE,
    'db_debug' => TRUE,
    'cache_on' => FALSE,
    'cachedir' => '',
    'char_set' => 'utf8',
    'dbcollat' => 'utf8_general_ci',
    'swap_pre' => '',
    'encrypt' => FALSE,
    'compress' => FALSE,
    'stricton' => FALSE,
    'failover' => array());

do you have any database with the name of ci_test in your phpmyadmin ? — Jok3r
– Jok3r, Commented Aug 2, 2017 at 17:55

Jok3r · Accepted Answer · 2017-08-02 18:06:26Z

1

$active_group = 'default';
$query_builder = TRUE;


$db['default'] = array(

'dsn'   => '',
'hostname' => 'localhost', //this will be same
'username' => 'root',  //replace with your username
'password' => '',       //replace with your password
'database' => 'test',   //replace with your database name which you want to use
'dbdriver' => 'mysqli',
'dbprefix' => '',
'pconnect' => FALSE,
'db_debug' => (ENVIRONMENT !== 'production'),
'cache_on' => FALSE,
'cachedir' => '',
'char_set' => 'utf8',
'dbcollat' => 'utf8_general_ci',
'swap_pre' => '',
'encrypt' => FALSE,
'compress' => FALSE,
'stricton' => FALSE,
'failover' => array(),
'save_queries' => TRUE);

try this. good luck.

answered Aug 2, 2017 at 18:06

Jok3r

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2 Comments

Aman Over a year ago

I have just tried this but it gives the same error.

Jok3r Over a year ago

check your database is correct or not?if it is there check this also in config/autoload.php. check this $autoload['libraries'] = array('database'); you have to add database library.

Jim Wright · Accepted Answer · 2017-08-02 17:56:55Z

0

This error relates to the connection group, not the database name. The connection group you have specified there is default, as shown on the first line: $db['default'].

Look for:

$active_group = 'ci_test';

Replace it with:

$active_group = 'default';

There is more information in the codeigniter documentation.

answered Aug 2, 2017 at 17:56

Jim Wright

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Comments

NikuNj Rathod · Accepted Answer · 2017-08-02 17:58:24Z

0

You can try this solution for your problem.

$active_group = 'default';
$query_builder = TRUE;

$db['default'] = array(
    'dsn'   => '',
    'hostname' => 'localhost',
    'username' => 'root',
    'password' => 'root',
    'database' => 'ci_test',
    'dbdriver' => 'mysqli',
    'dbprefix' => '',
    'pconnect' => FALSE,
    'db_debug' => (ENVIRONMENT !== 'production'),
    'cache_on' => FALSE,
    'cachedir' => '',
    'char_set' => 'utf8',
    'dbcollat' => 'utf8_general_ci',
    'swap_pre' => '',
    'encrypt' => FALSE,
    'compress' => FALSE,
    'stricton' => FALSE,
    'failover' => array(),
    'save_queries' => TRUE
);

I hope this will helps you. Thanks!

answered Aug 2, 2017 at 17:58

NikuNj Rathod

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