formidable / classes / models / FrmSpamCheck.php

FrmSpamCheck.php in Formidable Forms – WordPress Form Builder for Contact Forms, Calculators, Quizzes & More 6.34, at classes/models/FrmSpamCheck.php

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1	<?php
2	/**
3	* Spam check abstract class
4	*
5	* @since 6.21
6	*
7	* @package Formidable
8	*/
9
10	if ( ! defined( 'ABSPATH' ) ) {
11	die( 'You are not allowed to call this page directly.' );
12	}
13
14	abstract class FrmSpamCheck {
15
16	/**
17	* Entry values.
18	*
19	* @var array
20	*/
21	protected $values;
22
23	/**
24	* @param array $values
25	*/
26	public function __construct( $values ) {
27	$this->values = $values;
28	}
29
30	/**
31	* Checks if is spam.
32	*
33	* @return bool\|string Return the spam message or `false` if is not spam.
34	*/
35	public function is_spam() {
36	if ( ! $this->is_enabled() ) {
37	return false;
38	}
39
40	$is_spam = $this->check();
41
42	return $is_spam ? $this->get_spam_message() : false;
43	}
44
45	/**
46	* Checks for spam.
47	*
48	* @return bool Return `true` if this is spam.
49	*/
50	abstract protected function check();
51
52	/**
53	* Checks if the check is enabled.
54	*
55	* @return bool
56	*/
57	protected function is_enabled() {
58	return true;
59	}
60
61	/**
62	* Gets spam message.
63	*
64	* @return string If this is empty string, a default message will be used.
65	*/
66	protected function get_spam_message() {
67	return FrmAntiSpamController::get_default_spam_message();
68	}
69	}
70