wordpress-seo / src / deprecated / inc / class-wpseo-validator.php

class-wpseo-validator.php in Yoast SEO – Advanced SEO with real-time guidance and built-in AI 18.2, at src/deprecated/inc/class-wpseo-validator.php

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1	<?php
2	/**
3	* WPSEO plugin file.
4	*
5	* @package WPSEO\Internals
6	*/
7
8	/**
9	* Class WPSEO_Validator.
10	*
11	* @deprecated 15.6
12	*/
13	class WPSEO_Validator {
14
15	/**
16	* Validates whether the passed variable is a boolean.
17	*
18	* @deprecated 15.6
19	* @codeCoverageIgnore
20	*
21	* @param mixed $variable The variable to validate.
22	*
23	* @return bool Whether or not the passed variable is a valid boolean.
24	*/
25	public static function is_boolean( $variable ) {
26	_deprecated_function( __METHOD__, 'WPSEO 15.6' );
27
28	if ( is_bool( $variable ) ) {
29	return true;
30	}
31
32	return filter_var( $variable, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE ) !== null;
33	}
34
35	/**
36	* Validates whether the passed variable is a string.
37	*
38	* @deprecated 15.6
39	* @codeCoverageIgnore
40	*
41	* @param mixed $variable The variable to validate.
42	*
43	* @return bool Whether or not the passed variable is a string.
44	*/
45	public static function is_string( $variable ) {
46	_deprecated_function( __METHOD__, 'WPSEO 15.6' );
47
48	return is_string( $variable );
49	}
50
51	/**
52	* Validates whether the passed variable is a non-empty string.
53	*
54	* @deprecated 15.6
55	* @codeCoverageIgnore
56	*
57	* @param mixed $variable The variable to validate.
58	*
59	* @return bool Whether or not the passed value is a non-empty string.
60	*/
61	public static function is_non_empty_string( $variable ) {
62	_deprecated_function( __METHOD__, 'WPSEO 15.6' );
63
64	return self::is_string( $variable ) && $variable !== '';
65	}
66
67	/**
68	* Validates whether the passed variable is an integer.
69	*
70	* @deprecated 15.6
71	* @codeCoverageIgnore
72	*
73	* @param mixed $variable The variable to validate.
74	*
75	* @return bool Whether or not the passed variable is an integer.
76	*/
77	public static function is_integer( $variable ) {
78	_deprecated_function( __METHOD__, 'WPSEO 15.6' );
79
80	return filter_var( $variable, FILTER_VALIDATE_INT ) \|\| filter_var( $variable, FILTER_VALIDATE_INT ) === 0;
81	}
82
83	/**
84	* Determines whether a particular key exists within the passed dataset.
85	*
86	* @deprecated 15.6
87	* @codeCoverageIgnore
88	*
89	* @param array $data The dataset to search through.
90	* @param string $key The key to search for.
91	*
92	* @return bool Whether or not the key exists.
93	*/
94	public static function key_exists( array $data, $key ) {
95	_deprecated_function( __METHOD__, 'WPSEO 15.6' );
96
97	return array_key_exists( $key, $data );
98	}
99	}
100