控制器中的codeigniter中的数组到字符串转换错误

Question

$data = array('first_name' => $this->input->post('fname'),
'middle_name' => $this->input->post('mname'),

'last_name' => $this->input->post('lname'),
'email_name' => $this->input->post('email'),
'pwd_name' => $this->input->post('pwd'),

    'cno_name' => $this->input->post('cno'),
    'gender_name' => $this->input->post('gender'),
    'country_name' => $this->input->post('country'),
    'lang_name' => $this->input->post('lang')

);
            echo $data;

i want to echo or print $data, but it showing error Severity: Notice

Message: Array to string conversion

Answer 1

Method 1

foreach($data as $key => $val)
    echo($key.' => '.(is_array($val)?implode(',', $val):$val).'<br>');

Method 2

var_dump($data);

Method 3

print_r($data);