Explain session in codeIgnitor.

1.	Explain session in codeIgnitor.
Answer» Sessions allows us to MAINTAIN the user “states” and helps to track user activity. In codeIgnitor session can be loaded with $this->load->library(‘session’); post LOADING session library object we can use with $this->session. To READ the session data : $this->session->USERDATA(‘key’). Session data can also be get by $this->session->item To create a session in codeIgnitor: Session’s Class set_userdata() method is used to create a session in CodeIgniter. This method takes an associative array containing your data that you want to add in session. To add userdata one value at a time, set_userdata() also can be use with syntax: $this->session->set_userdata('some_name', 'some_value'); To REMOVE session data : It can be done with unset a particular key $this->session->unset_userdata('some_key'); Unset array of item keys : $array_items = array('username', 'email'); $this->session->unset_userdata($array_items);

Answer»

Sessions allows us to MAINTAIN the user “states” and helps to track user activity. In codeIgnitor session can be loaded with $this->load->library(‘session’); post LOADING session library object we can use with $this->session.

To READ the session data : $this->session->USERDATA(‘key’).

Session data can also be get by $this->session->item To create a session in codeIgnitor: Session’s Class set_userdata() method is used to create a session in CodeIgniter. This method takes an associative array containing your data that you want to add in session.

To add userdata one value at a time, set_userdata() also can be use with syntax:

$this->session->set_userdata('some_name', 'some_value');

To REMOVE session data : It can be done with unset a particular key

$this->session->unset_userdata('some_key');

Unset array of item keys :

$array_items = array('username', 'email'); $this->session->unset_userdata($array_items);

Explain session in codeIgnitor.

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