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public function index(){
/*
* 载入验证码辅助函数
*/
$this->load->helper('captcha');
$vals = array(
'word' => 'Random word',
'img_path' => './captcha/',
'img_url' => 'http://example.com/captcha/',
'font_path' => './path/to/fonts/texb.ttf',
'img_width' => '150',
'img_height' => 30,
'expiration' => 7200,
'word_length' => 8,
'font_size' => 16,
'img_id' => 'Imageid',
'pool' => '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
// White background and border, black text and red grid
'colors' => array(
'background' => array(255, 255, 255),
'border' => array(255, 255, 255),
'text' => array(0, 0, 0),
'grid' => array(255, 40, 40)
)
);
$cap = create_captcha($vals);
出现如下错误:
PHP Fatal error: Call to a member function helper() on a non-object in G:\IIS\CI\application\controllers\admin\login.php on line 9
echo $cap['image'];
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