$con = new DB('127.0.0.1', 'myDB', 'root', 'toor');

$con = new DB('DATABASE_HOST', 'DATABASE_NAME', 'DATABASE_USERNAME', 'DATABASE_PASSWORD');

$data = ['ARHEX', 'LABS', '[email protected]'];
$con->insert_row('users', $data); # List of all fields to insert.

$ARRAY_OF_DATA = [FIELD_1, FIELD_2, ....];
$con->insert_row([TABLE_NAME], [ARRAY_OF_DATA]); # List of all fields to insert.

$con->delete_row('users', 'users_id', '3');

$con->delete_row([TABLE_NAME], [FIELD_NAME], [KEY]);

$con->update_row('users', 'users_email', '[email protected]', 'users_id', '1');

$con->update_row([TABLE_NAME], [FIELD_NAME], [DATA], [KEY], [VALUE]);

$con->get_field_value('users', 'users_id', '3', 'users_email');

$con->get_field_value([TABLE_NAME], [KEY], [VALUE], [FIELD_NAME]);

$con->get_last_id('users', users_id);

$con->get_last_id([TABLE_NAME], [NAME_OF_PRIMARY_KEY_FIELD]);

$row = $con->get_row('users', 'users_id', '3');
$email = $row[0]['users_email'];

$con->get_row([TABLE_NAME], [Key], [VALUE]);

$row = $con->get_row('users', 'users_id', '3');
$email_1 = $row[0]['users_email'];
$email_2 = $row[1]['users_email'];
$name_3 = $row[2]['users_email'];

$con->get_row([TABLE_NAME], [Key], [VALUE]);

$con->read_table('posts');

$con->read_table([TABLE_NAME]);