|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace TGM; |
|
4
|
|
|
|
|
5
|
|
|
/** |
|
6
|
|
|
* Generic utilities for TGMPA. |
|
7
|
|
|
* |
|
8
|
|
|
* All methods are static, poor-dev name-spacing class wrapper. |
|
9
|
|
|
* |
|
10
|
|
|
* Class was called TGM_Utils in 2.5.0 but renamed TGMPA_Utils in 2.5.1 as this was conflicting with Soliloquy. |
|
11
|
|
|
* |
|
12
|
|
|
* @since 2.5.0 |
|
13
|
|
|
* |
|
14
|
|
|
* @package TGM-Plugin-Activation |
|
15
|
|
|
* @author Juliette Reinders Folmer |
|
16
|
|
|
*/ |
|
17
|
|
|
class TGMPA_Utils { |
|
18
|
|
|
/** |
|
19
|
|
|
* Whether the PHP filter extension is enabled. |
|
20
|
|
|
* |
|
21
|
|
|
* @see http://php.net/book.filter |
|
22
|
|
|
* |
|
23
|
|
|
* @since 2.5.0 |
|
24
|
|
|
* |
|
25
|
|
|
* @static |
|
26
|
|
|
* |
|
27
|
|
|
* @var bool $has_filters True is the extension is enabled. |
|
28
|
|
|
*/ |
|
29
|
|
|
public static $has_filters; |
|
30
|
|
|
|
|
31
|
|
|
/** |
|
32
|
|
|
* Wrap an arbitrary string in <em> tags. Meant to be used in combination with array_map(). |
|
33
|
|
|
* |
|
34
|
|
|
* @since 2.5.0 |
|
35
|
|
|
* |
|
36
|
|
|
* @static |
|
37
|
|
|
* |
|
38
|
|
|
* @param string $string Text to be wrapped. |
|
39
|
|
|
* @return string |
|
40
|
|
|
*/ |
|
41
|
|
|
public static function wrap_in_em( $string ) { |
|
42
|
|
|
return '<em>' . wp_kses_post( $string ) . '</em>'; |
|
43
|
|
|
} |
|
44
|
|
|
|
|
45
|
|
|
/** |
|
46
|
|
|
* Wrap an arbitrary string in <strong> tags. Meant to be used in combination with array_map(). |
|
47
|
|
|
* |
|
48
|
|
|
* @since 2.5.0 |
|
49
|
|
|
* |
|
50
|
|
|
* @static |
|
51
|
|
|
* |
|
52
|
|
|
* @param string $string Text to be wrapped. |
|
53
|
|
|
* @return string |
|
54
|
|
|
*/ |
|
55
|
|
|
public static function wrap_in_strong( $string ) { |
|
56
|
|
|
return '<strong>' . wp_kses_post( $string ) . '</strong>'; |
|
57
|
|
|
} |
|
58
|
|
|
|
|
59
|
|
|
/** |
|
60
|
|
|
* Helper function: Validate a value as boolean |
|
61
|
|
|
* |
|
62
|
|
|
* @since 2.5.0 |
|
63
|
|
|
* |
|
64
|
|
|
* @static |
|
65
|
|
|
* |
|
66
|
|
|
* @param mixed $value Arbitrary value. |
|
67
|
|
|
* @return bool |
|
68
|
|
|
*/ |
|
69
|
|
|
public static function validate_bool( $value ) { |
|
70
|
|
|
if ( ! isset( self::$has_filters ) ) { |
|
71
|
|
|
self::$has_filters = extension_loaded( 'filter' ); |
|
72
|
|
|
} |
|
73
|
|
|
|
|
74
|
|
|
if ( self::$has_filters ) { |
|
75
|
|
|
return filter_var( $value, FILTER_VALIDATE_BOOLEAN ); |
|
76
|
|
|
} else { |
|
77
|
|
|
return self::emulate_filter_bool( $value ); |
|
78
|
|
|
} |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
|
|
/** |
|
82
|
|
|
* Helper function: Cast a value to bool |
|
83
|
|
|
* |
|
84
|
|
|
* @since 2.5.0 |
|
85
|
|
|
* |
|
86
|
|
|
* @static |
|
87
|
|
|
* |
|
88
|
|
|
* @param mixed $value Value to cast. |
|
89
|
|
|
* @return bool |
|
90
|
|
|
*/ |
|
91
|
|
|
protected static function emulate_filter_bool( $value ) { |
|
92
|
|
|
// @codingStandardsIgnoreStart |
|
93
|
|
|
static $true = array( |
|
94
|
|
|
'1', |
|
95
|
|
|
'true', 'True', 'TRUE', |
|
96
|
|
|
'y', 'Y', |
|
97
|
|
|
'yes', 'Yes', 'YES', |
|
98
|
|
|
'on', 'On', 'ON', |
|
99
|
|
|
); |
|
100
|
|
|
static $false = array( |
|
101
|
|
|
'0', |
|
102
|
|
|
'false', 'False', 'FALSE', |
|
103
|
|
|
'n', 'N', |
|
104
|
|
|
'no', 'No', 'NO', |
|
105
|
|
|
'off', 'Off', 'OFF', |
|
106
|
|
|
); |
|
107
|
|
|
// @codingStandardsIgnoreEnd |
|
108
|
|
|
|
|
109
|
|
|
if ( is_bool( $value ) ) { |
|
110
|
|
|
return $value; |
|
111
|
|
|
} elseif ( is_int( $value ) && ( 0 === $value || 1 === $value ) ) { |
|
112
|
|
|
return (bool) $value; |
|
113
|
|
|
} elseif ( ( is_float( $value ) && ! is_nan( $value ) ) && ( (float) 0 === $value || (float) 1 === $value ) ) { |
|
114
|
|
|
return (bool) $value; |
|
115
|
|
|
} elseif ( is_string( $value ) ) { |
|
116
|
|
|
$value = trim( $value ); |
|
117
|
|
|
if ( in_array( $value, $true, true ) ) { |
|
118
|
|
|
return true; |
|
119
|
|
|
} elseif ( in_array( $value, $false, true ) ) { |
|
120
|
|
|
return false; |
|
121
|
|
|
} else { |
|
122
|
|
|
return false; |
|
123
|
|
|
} |
|
124
|
|
|
} |
|
125
|
|
|
|
|
126
|
|
|
return false; |
|
127
|
|
|
} |
|
128
|
|
|
} // End of class TGMPA_Utils |
|
129
|
|
|
|