How to Updating an existing database record +1 in CodeIgniter?

$the->db->set() – This function enables you to set values for inserts or updates.
$this->db->where() – This function enables you to set WHERE clauses
$this->db->update() – Generates an update string and runs the query based on the data you supply

Don’t forgot to set the third parameter for $the->db->set to FALSE in order to escape

Reference : http://ellislab.com/codeigniter/user-guide/database/active_record.html

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