1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
<?php
/**
* Various operations on variables such as escaping
*
* This file is part of Zoph.
*
* Zoph is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Zoph is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with Zoph; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* @package Zoph
* @author Jeroen Roos
* @author Jason Geiger
* @author David Baldwin
*/
namespace generic;
/**
* Variable handling
*
* @package Zoph
* @author Jeroen Roos
*/
class variable {
/** @var mixed holds value of variable */
private $value;
/**
* Create object
* @param value to assign
*/
public function __construct($value) {
$this->value=$value;
}
/**
* Get value
*/
public function __toString() {
return (string) $this->value;
}
/**
* Get value
*/
public function get() {
return $this->value;
}
/**
* This function will escape the user input and remove HTML tags
*/
public function input() {
$var=$this->value;
if ($var === "<" || $var === "<=" || $var === ">=" || $var === ">") {
// Strip tags breaks some searches
$value=$var;
} else if (is_array($var)) {
$value=array();
foreach ($var as $key => $arrayValue) {
$keyVar=new variable($key);
$valueVar=new variable($arrayValue);
$value[$keyVar->input()]=$valueVar->input();
}
} else {
$value=strip_tags(html_entity_decode($var));
}
return $value;
}
/**
* Return escaped output
* @param array|string value to be escaped
*/
public function escape($var=null) {
if (!$var) {
$var=$this->value;
}
if (is_array($var)) {
$return=array();
foreach ($var as $key => $arrayValue) {
$return[static::htmlEscape($key)]=static::htmlEscape($arrayValue);
}
} else {
$return=static::htmlEscape($var);
}
return $return;
}
public static function htmlEscape($var) {
if (empty($var)) {
return null;
}
$return=htmlspecialchars($var);
/* Extra escape for a few chars that may cause troubles but are
not escaped by htmlspecialchars. */
$return=str_replace(array("<", ">", "\"", "(", ")", "'", "[", "]", "{", "}", "~", "`"),
array("<", ">", """, "(", ")", "'","[", "]", "{",
"}", "~", "`"), $return);
return $return;
}
}
|
