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captcha\CaptchaAction renderImageByGD()

renderImageByGD() protected method

Renders the CAPTCHA image based on the code using GD library.

protected string renderImageByGD ( $code )
$code	string	The verification code
return	string	Image contents in PNG format.

Links:

http://www.yiiframework.com/doc-2.0/yii-captcha-captchaaction.html#renderImageByGD()-detail

doc_Yii

2016-10-30 16:54:28

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