ImageCaptcha (圖像驗證碼)

Shieldon\Firewall\Captcha\ImageCaptcha

• 參數 array $config - 設定值。
• 返回值 void

$config = [
    'word_length' => 6,
];

$captchaInstance = new \Shieldon\Captcha\ImageCaptcha($config);
$shieldon->setCaptcha($captchaInstance);

設定值

預設設定值:

鍵	類型	值
img_width	int	250
img_height	int	50
word_length	int	8
font_spacing	int	10
pool	string	0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
colors	array	參見下方的 顏色 設定值。

顏色設定值:

鍵	類型	值
background	array	[255, 255, 255]
border	array	[153, 200, 255]
text	array	[51, 153, 255]
grid	array	[153, 200, 255]

範例:

$defaults = [
    'img_width' => 250,
    'img_height' => 50,
    'word_length' => 8,
    'font_spacing' => 10,
    'pool' => '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
    'colors' => [
        'background' => [255, 255, 255],
        'border' => [153, 200, 255],
        'text' => [51, 153, 255],
        'grid' => [153, 200, 255]
    ]
];