Things to note when introducing external verification codes into the CI framework

When introducing an external verification code class, you need to make modifications in the imported external verification code class file.

Modify as follows:

public function __construct($arr = array()) {

    $width = '';
    $height = '';
    $codeLen = '';
    $fontSize = '';
    $bgColor = '';
    $fontColor = '';    if(!empty($arr)){
       extract($arr); 
    } 
    $this->font = BASEPATH . "fonts/font.ttf";       
    if (!is_file($this->font)) {
        error("验证码字体文件不存在");
    }
    $this->width = empty($width) ? $this->width : $width;
    $this->height = empty($height) ? $this->height : $height;
    $this->bgColor = empty($bgColor) ? $this->bgColor : $bgColor;
    $this->codeLen = empty($codeLen) ? $this->codeLen : $codeLen;
    $this->fontSize = empty($fontSize) ? $this->fontSize : $fontSize;
    $this->fontColor = empty($fontColor) ? $this->fontColor : $fontColor;
    $this->create();//生成验证码
}

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