1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* WP Requirements |
4
|
|
|
* |
5
|
|
|
* Utility to check current PHP version, WordPress version and PHP extensions. |
6
|
|
|
* |
7
|
|
|
* @package WP_Requirements |
8
|
|
|
* @version 1.4.0 |
9
|
|
|
* @author Fulvio Notarstefano <[email protected]> |
10
|
|
|
* @link https://github.com/nekojira/wp-requirements |
11
|
|
|
* @license GPL2+ |
12
|
|
|
*/ |
13
|
|
|
|
14
|
|
|
if ( ! class_exists( 'SimCal_WP_Requirements' ) ) { |
15
|
|
|
|
16
|
|
|
class SimCal_WP_Requirements { |
17
|
|
|
|
18
|
|
|
/** |
19
|
|
|
* Plugin name. |
20
|
|
|
* |
21
|
|
|
* @access private |
22
|
|
|
* @var string |
23
|
|
|
*/ |
24
|
|
|
private $name = ''; |
25
|
|
|
|
26
|
|
|
/** |
27
|
|
|
* Plugin main file. |
28
|
|
|
* |
29
|
|
|
* plugin_basename( __FILE__ ) |
30
|
|
|
* |
31
|
|
|
* @access private |
32
|
|
|
* @var string |
33
|
|
|
*/ |
34
|
|
|
private $plugin = ''; |
35
|
|
|
|
36
|
|
|
/** |
37
|
|
|
* WordPress. |
38
|
|
|
* |
39
|
|
|
* @access private |
40
|
|
|
* @var bool |
41
|
|
|
*/ |
42
|
|
|
private $wp = true; |
43
|
|
|
|
44
|
|
|
/** |
45
|
|
|
* PHP. |
46
|
|
|
* |
47
|
|
|
* @access private |
48
|
|
|
* @var bool |
49
|
|
|
*/ |
50
|
|
|
private $php = true; |
51
|
|
|
|
52
|
|
|
/** |
53
|
|
|
* PHP Extensions. |
54
|
|
|
* |
55
|
|
|
* @access private |
56
|
|
|
* @var bool |
57
|
|
|
*/ |
58
|
|
|
private $extensions = true; |
59
|
|
|
|
60
|
|
|
/** |
61
|
|
|
* Requirements to check. |
62
|
|
|
* |
63
|
|
|
* @access private |
64
|
|
|
* @var array |
65
|
|
|
*/ |
66
|
|
|
private $requirements = array(); |
67
|
|
|
|
68
|
|
|
/** |
69
|
|
|
* Results failures. |
70
|
|
|
* |
71
|
|
|
* Associative array with requirements results. |
72
|
|
|
* |
73
|
|
|
* @access private |
74
|
|
|
* @var array |
75
|
|
|
*/ |
76
|
|
|
private $failures = array(); |
77
|
|
|
|
78
|
|
|
/** |
79
|
|
|
* Admin notice. |
80
|
|
|
* |
81
|
|
|
* @access private |
82
|
|
|
* @var string |
83
|
|
|
*/ |
84
|
|
|
private $notice = ''; |
85
|
|
|
|
86
|
|
|
/** |
87
|
|
|
* Run checks. |
88
|
|
|
* |
89
|
|
|
* @param string $name The plugin name. |
90
|
|
|
* @param string $plugin Output of `plugin_basename( __FILE__ )`. |
91
|
|
|
* @param array $requirements Associative array with requirements. |
92
|
|
|
*/ |
93
|
|
|
public function __construct( $name, $plugin, $requirements ) { |
94
|
|
|
|
95
|
|
|
$this->name = htmlspecialchars( strip_tags( $name ) ); |
96
|
|
|
$this->plugin = $plugin; |
97
|
|
|
$this->requirements = $requirements; |
98
|
|
|
|
99
|
|
|
if ( ! empty( $requirements ) && is_array( $requirements ) ) { |
100
|
|
|
|
101
|
|
|
$failures = $extensions = array(); |
102
|
|
|
|
103
|
|
|
$requirements = array_merge( |
104
|
|
|
array( |
105
|
|
|
'WordPress' => '', |
106
|
|
|
'PHP' => '', |
107
|
|
|
'Extensions' => '', |
108
|
|
|
), $requirements |
109
|
|
|
); |
110
|
|
|
|
111
|
|
|
// Check for WordPress version. |
112
|
|
|
if ( $requirements['WordPress'] && is_string( $requirements['WordPress'] ) ) { |
113
|
|
|
if ( function_exists( 'get_bloginfo' ) ) { |
114
|
|
|
$wp_version = get_bloginfo( 'version' ); |
115
|
|
|
if ( version_compare( $wp_version, $requirements['WordPress'] ) === - 1 ) { |
116
|
|
|
$failures['WordPress'] = $wp_version; |
117
|
|
|
$this->wp = false; |
118
|
|
|
} |
119
|
|
|
} |
120
|
|
|
} |
121
|
|
|
|
122
|
|
|
// Check fo PHP version. |
123
|
|
|
if ( $requirements['PHP'] && is_string( $requirements['PHP'] ) ) { |
124
|
|
|
if ( version_compare( PHP_VERSION, $requirements['PHP'] ) === -1 ) { |
125
|
|
|
$failures['PHP'] = PHP_VERSION; |
126
|
|
|
$this->php = false; |
127
|
|
|
} |
128
|
|
|
} |
129
|
|
|
|
130
|
|
|
// Check fo PHP Extensions. |
131
|
|
|
if ( $requirements['Extensions'] && is_array( $requirements['Extensions'] ) ) { |
132
|
|
|
foreach ( $requirements['Extensions'] as $extension ) { |
133
|
|
|
if ( $extension && is_string( $extension ) ) { |
134
|
|
|
$extensions[ $extension ] = extension_loaded( $extension ); |
135
|
|
|
} |
136
|
|
|
} |
137
|
|
|
if ( in_array( false, $extensions ) ) { |
138
|
|
|
foreach ( $extensions as $extension_name => $found ) { |
139
|
|
|
if ( $found === false ) { |
|
|
|
|
140
|
|
|
$failures['Extensions'][ $extension_name ] = $extension_name; |
141
|
|
|
} |
142
|
|
|
} |
143
|
|
|
$this->extensions = false; |
144
|
|
|
} |
145
|
|
|
} |
146
|
|
|
|
147
|
|
|
$this->failures = $failures; |
148
|
|
|
|
149
|
|
|
} else { |
150
|
|
|
|
151
|
|
|
trigger_error( 'WP Requirements: the requirements are invalid.', E_USER_ERROR ); |
152
|
|
|
|
153
|
|
|
} |
154
|
|
|
} |
155
|
|
|
|
156
|
|
|
/** |
157
|
|
|
* Get requirements results. |
158
|
|
|
* |
159
|
|
|
* @return array |
160
|
|
|
*/ |
161
|
|
|
public function failures() { |
162
|
|
|
return $this->failures; |
163
|
|
|
} |
164
|
|
|
|
165
|
|
|
/** |
166
|
|
|
* Check if versions check pass. |
167
|
|
|
* |
168
|
|
|
* @return bool |
169
|
|
|
*/ |
170
|
|
|
public function pass() { |
171
|
|
|
if ( in_array( false, array( |
172
|
|
|
$this->wp, |
173
|
|
|
$this->php, |
174
|
|
|
$this->extensions, |
175
|
|
|
) ) ) { |
176
|
|
|
return false; |
177
|
|
|
} |
178
|
|
|
return true; |
179
|
|
|
} |
180
|
|
|
|
181
|
|
|
/** |
182
|
|
|
* Notice message. |
183
|
|
|
* |
184
|
|
|
* @param string $message An additional message. |
185
|
|
|
* |
186
|
|
|
* @return string |
187
|
|
|
*/ |
188
|
|
|
public function get_notice( $message = '' ) { |
189
|
|
|
|
190
|
|
|
$notice = ''; |
191
|
|
|
$name = $this->name; |
192
|
|
|
$failures = $this->failures; |
193
|
|
|
|
194
|
|
|
if ( ! empty( $failures ) && is_array( $failures ) ) { |
195
|
|
|
|
196
|
|
|
$notice = '<div class="error">' . "\n"; |
197
|
|
|
$notice .= "\t" . '<p>' . "\n"; |
198
|
|
|
$notice .= '<strong>' . sprintf( '%s could not be activated.', $name ) . '</strong><br>'; |
199
|
|
|
|
200
|
|
|
foreach ( $failures as $requirement => $found ) { |
201
|
|
|
|
202
|
|
|
$required = $this->requirements[ $requirement ]; |
203
|
|
|
|
204
|
|
|
if ( 'Extensions' == $requirement ) { |
205
|
|
|
if ( is_array( $found ) ) { |
206
|
|
|
$notice .= sprintf( |
207
|
|
|
'Required PHP Extension(s) not found: %s.', |
|
|
|
|
208
|
|
|
join( ', ', $found ) |
|
|
|
|
209
|
|
|
) . '<br>'; |
|
|
|
|
210
|
|
|
} |
211
|
|
|
} else { |
212
|
|
|
$notice .= sprintf( |
213
|
|
|
'Required %1$s version: %2$s - Version found: %3$s', |
|
|
|
|
214
|
|
|
$requirement, |
|
|
|
|
215
|
|
|
$required, |
|
|
|
|
216
|
|
|
$found |
|
|
|
|
217
|
|
|
) . '<br>'; |
|
|
|
|
218
|
|
|
} |
219
|
|
|
|
220
|
|
|
} |
221
|
|
|
|
222
|
|
|
$notice .= '<em>' . sprintf( 'Please update to meet %s requirements.', $name ) . '</em>' . "\n"; |
223
|
|
|
$notice .= "\t" . '</p>' . "\n"; |
224
|
|
|
if ( $message ) { |
225
|
|
|
$notice .= $message; |
226
|
|
|
} |
227
|
|
|
$notice .= '</div>'; |
228
|
|
|
} |
229
|
|
|
|
230
|
|
|
return $notice; |
231
|
|
|
} |
232
|
|
|
|
233
|
|
|
/** |
234
|
|
|
* Print notice. |
235
|
|
|
*/ |
236
|
|
|
public function print_notice() { |
237
|
|
|
echo $this->notice; |
238
|
|
|
} |
239
|
|
|
|
240
|
|
|
/** |
241
|
|
|
* Deactivate plugin. |
242
|
|
|
*/ |
243
|
|
|
public function deactivate_plugin() { |
244
|
|
|
if ( function_exists( 'deactivate_plugins' ) && function_exists( 'plugin_basename' ) ) { |
245
|
|
|
deactivate_plugins( $this->plugin ); |
246
|
|
|
} |
247
|
|
|
} |
248
|
|
|
|
249
|
|
|
/** |
250
|
|
|
* Deactivate plugin and display admin notice. |
251
|
|
|
* |
252
|
|
|
* @param string $message An additional message in notice. |
253
|
|
|
*/ |
254
|
|
|
public function halt( $message = '' ) { |
255
|
|
|
|
256
|
|
|
$this->notice = $this->get_notice( $message ); |
257
|
|
|
|
258
|
|
|
if ( $this->notice && function_exists( 'add_action' ) ) { |
259
|
|
|
|
260
|
|
|
add_action( 'admin_notices', array( $this, 'print_notice' ) ); |
261
|
|
|
add_action( 'admin_init', array( $this, 'deactivate_plugin' ) ); |
262
|
|
|
|
263
|
|
|
if ( isset( $_GET['activate'] ) ) { |
264
|
|
|
unset( $_GET['activate'] ); |
265
|
|
|
} |
266
|
|
|
} |
267
|
|
|
} |
268
|
|
|
|
269
|
|
|
} |
270
|
|
|
|
271
|
|
|
} |
272
|
|
|
|