CodeIgniter Code Snippets

CodeIgniter is a powerful open-source PHP framework used for rapid web development. It is known for its simple and elegant syntax, as well as its flexibility and ability to scale. CodeIgniter has a wide range of built-in libraries and helpers that make common tasks easier, and its documentation is excellent.

However, because of its minority, finding quality CodeIgniter code snippets can be a challenge. To help make your life easier, we have curated a list of the best CodeIgniter code snippets. These snippets are hand-picked and organized by category, so you can easily find what you need.


Connect to Multiple Databases
$db['default'] = array(
	'dsn'	=> '',
	'hostname' => '',
	'username' => 'user2',
	'password' => 'passpass',
	'database' => 'database2',
	'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
$db = $this->load->database('seconddatabase', TRUE);
$query = $db->select('*')->from('article')->where($conditions)->order_by('id', 'DESC')->get();
$result = $query->result();
Count Query Results
Duplicate a Record Based on Id
Get the Last Inserted ID

Debug & Profiling

Generate Dummy Data


Upload Multiple Files
Get a Form's GET and POST Data
Use is_unique in Form Update Validation

Menu & Navigation

Generate Dynamic Sitemap
Convert Title to URL Slug


Where to Declare Global Variables
CodeIgniter 3 HMVC error running on PHP 7

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