can someone show me function insert_id(); in codeinger4 ?

please show me function insert_id() in  codeter 4 ?

thank you verry much

https://codeigniter4.github.io/CodeIgnit...b-insertid

ci-phpunit-test | CodeIgniter Testing Guide | CodeIgniter 3 to 4 Upgrade Helper

https://codeigniter4.github.io/CodeIgnit...b-insertid

i use insertId follow above link it info

Call to undefinedmethod CodeIgniter\Database\MySQLi\Builder::insertID() 
Call to undefined method CodeIgniter\Database\MySQLi\Builder::insertID()

PHP Code:

public function Add($table,$data){
        if(isset($data) && $data != NULL){
            $builder = $this->db->table($table);
            $builder->insert($data);
            return $builder->insertID();
        }
    } 


PHP Code:

return $this->db->insertID(); 


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Joined CodeIgniter Community 2009.  ( Skype: insitfx )

thank you https://forum.codeigniter.com/member.php...ile&uid=75 and https://forum.codeigniter.com/member.php...ile&uid=90

it's perfect
done