Abstract class for CAPTCHA method
Currently, there are two types of CAPTCHA forms, text and image The default mode is "text", it can be changed in the priority: 1 If mode is set through XoopsFormCaptcha::setConfig("mode", $mode), take it 2 Elseif mode is set though captcha/config.php, take it 3 Else, take "text"
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	public
					
					
				 | __construct(mixed $handler = null)
		XoopsCaptchaMethod::__construct()
	 | # | 
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	public
					
					
				 | isActive(): bool
		XoopsCaptchaMethod::isActive()
	 XoopsCaptchaMethod::isActive() Overriden by | # | 
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	public
					
					
				 | loadConfig(string $name = ''): void
		XoopsCaptchaMethod::loadConfig()
	 XoopsCaptchaMethod::loadConfig() | # | 
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	public
					
					
				 | getCode(): string
		XoopsCaptchaMethod::getCode()
	 XoopsCaptchaMethod::getCode() | # | 
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	public
					
					
				 | render(): void
		XoopsCaptchaMethod::render()
	 XoopsCaptchaMethod::render() Overriden by | # | 
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	public
					
					
				 | renderValidationJS(): string | # | 
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	public
					
					
				 | verify(mixed $sessionName = null): bool
		XoopsCaptchaMethod::verify()
	 | # | 
| Properties | |||
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	public
					
					
				 |  | $handler | # | 
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	public
					
					
				 |  | $config | # | 
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	public
					
					
				 |  | $code | # |