How does ci3 connect to database?

How does ci3 connect to database?

Manually Connecting to a Database

  1. $this->load->database(‘group_name’);
  2. $dsn = ‘dbdriver://username:password@hostname/database’; $this->load->database($dsn);
  3. $dsn = ‘dbdriver://username:password@hostname/database? char_set=utf8&dbcollat=utf8_general_ci&cache_on=true&cachedir=/path/to/cache’; $this->load->database($dsn);

How does CodeIgniter connect to database?

In CodeIgniter, go to application/config/databse. php for database configuration file. In database. php file, fill the entries to connect CodeIgniter folder to your database.

How do I connect to PDO?

Summary

  1. Enable the PDO_MYSQL driver in the php. ini file for connecting to a MySQL database from PHP PDO.
  2. Create an instance of the PDO class to make a connection to a MySQL database.
  3. Use the PDO constructor or the setAttribute() method to set an error handling strategy.

Where is ENV file in CodeIgniter?

The term comes from the file name, which starts with a dot before the text “env”. CodeIgniter expects . env to be at the root of your project alongside the app directories. There is a template file distributed with CodeIgniter that’s located at the project root named env (Notice there’s no dot (.)

How do I connect PDO to another class?

1 Answer

  1. your current class is rather useless. It would make sense to create a database wrapper if it adds some extra functionality to PDO.
  2. Either way, create a single $db instance from either vanilla PDO or your database class.
  3. pass it as a constructor parameter into every class that needs a database connection.

How do I test a remote database connection?

2. Test Remote Connection to MySQL

  1. Log into the agent host as root .
  2. Open the install.properties file and find the connection information, for example: XAAUDIT.DB.HOSTNAME=poliymgr XAAUDIT.DB.DATABASE_NAME=xasecure XAAUDIT.DB.USER_NAME=xasecure XAAUDIT.DB.PASSWORD=hadoop.

What is the use of core folder in CodeIgniter?

Core − This folder will contain base class of your application. Helpers − In this folder, you can put helper class of your application. Hooks − The files in this folder provide a means to tap into and modify the inner workings of the framework without hacking the core files.

Where is the config file in CodeIgniter 4?

app/Config
The default file location (recommended for most cases) is app/Config. The class should use the appropriate namespace, and it should extend CodeIgniter\Config\BaseConfig to ensure that it can receive environment-specific settings.

Is AWS RDS multi region?

AWS provides you with the flexibility to place instances and store data within multiple geographic regions and across multiple Availability Zones (AZ) within each AWS Region. Amazon RDS for SQL Server provides a Multi-AZ deployment, which replicates data synchronously across AZs.

How to use multiple database connections in CodeIgniter?

In order to use multiple database connections in your CodeIgniter project, you just need to create multiple configuration arrays that simplify working with multiple databases. Following is the structure of the default Codeigniter database configuration array:

How to add multiple database connections in PHP?

We have to simply add database configuration array to database.php file. Then we can simple load specific database data by using “$this->load->database (‘another_db’, TRUE);” help. Here i explain full example for add multiple connection. So you need to create two database. in this example i created two database with following name:

How to return a database object from a CodeIgniter function?

From the Codeigniter User Guide: By setting the second parameter to TRUE (boolean) the function will return the database object. That will make it work. Show activity on this post.