give / vendor / vendor-prefixed / stellarwp / validation / src / Rules / Boolean.php

Boolean.php in GiveWP – Donation Plugin and Fundraising Platform 4.18.0, at vendor/vendor-prefixed/stellarwp/validation/src/Rules/Boolean.php

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1	<?php
2
3	namespace Give\Vendors\StellarWP\Validation\Rules;
4
5	use Closure;
6	use Give\Vendors\StellarWP\Validation\Contracts\Sanitizer;
7	use Give\Vendors\StellarWP\Validation\Contracts\ValidatesOnFrontEnd;
8	use Give\Vendors\StellarWP\Validation\Contracts\ValidationRule;
9
10	use const FILTER_NULL_ON_FAILURE;
11
12	class Boolean implements ValidationRule, ValidatesOnFrontEnd, Sanitizer
13	{
14	/**
15	* {@inheritDoc}
16	*
17	* @since 1.4.0
18	*/
19	public static function id(): string
20	{
21	return 'boolean';
22	}
23
24	/**
25	* {@inheritDoc}
26	*
27	* @since 1.4.0
28	*/
29	public static function fromString(?string $options = null): ValidationRule
30	{
31	return new self();
32	}
33
34	/**
35	* {@inheritDoc}
36	*
37	* @since 1.4.1 add is_bool check and FILTER_NULL_ON_FAILURE flag to prevent false positives
38	* @since 1.4.0
39	*/
40	public function __invoke($value, Closure $fail, string $key, array $values)
41	{
42	if (!is_bool(filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE))) {
43	$fail(sprintf(__('%s must be a boolean', 'give'), '{field}'));
44	}
45	}
46
47	/**
48	* {@inheritDoc}
49	*
50	* @since 1.4.0
51	*/
52	public function serializeOption()
53	{
54	return null;
55	}
56
57	/**
58	* {@inheritDoc}
59	*
60	* @since 1.4.0
61	*/
62	public function sanitize($value)
63	{
64	return filter_var($value, FILTER_VALIDATE_BOOLEAN);
65	}
66	}
67