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
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
<?php
/*
** Copyright (C) 2001-2025 Zabbix SIA
**
** This program is free software: you can redistribute it and/or modify it under the terms of
** the GNU Affero General Public License as published by the Free Software Foundation, version 3.
**
** This program 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 Affero General Public License for more details.
**
** You should have received a copy of the GNU Affero General Public License along with this program.
** If not, see <https://www.gnu.org/licenses/>.
**/
class CUrl {
private $url;
protected $reference;
protected $query;
protected $arguments = [];
/**
* WARNING: the class doesn't support parsing query strings with multi-dimensional arrays.
*
* @param string|null $url
*/
public function __construct($url = null) {
if (empty($url)) {
$this->formatGetArguments();
$this->url = basename($_SERVER['SCRIPT_NAME']);
}
else {
$this->url = $url;
// parse reference
$pos = strpos($url, '#');
if ($pos !== false) {
$this->reference = substr($url, $pos + 1);
$this->url = substr($url, 0, $pos);
}
// parse query
$pos = strpos($url, '?');
if ($pos !== false) {
$this->query = substr($url, $pos + 1);
$this->url = substr($url, 0, $pos);
}
$this->formatArguments();
}
}
/**
* Creates a HTTP query string from the arguments set in self::$arguments and saves it in self::$query.
*/
public function formatQuery() {
$this->query = http_build_query($this->arguments);
}
public function formatGetArguments() {
$this->arguments = $_GET;
$this->formatQuery();
return $this;
}
public function formatArguments($query = null) {
if ($query === null) {
$query = $this->query;
}
if ($query !== null) {
$args = explode('&', $query);
foreach ($args as $id => $arg) {
if (empty($arg)) {
continue;
}
if (strpos($arg, '=') !== false) {
list($name, $value) = explode('=', $arg);
$this->arguments[urldecode($name)] = urldecode($value);
}
else {
$this->arguments[$arg] = '';
}
}
}
$this->formatQuery();
}
/**
* Return relative url.
*
* @return string
*/
public function getUrl() {
$this->formatQuery();
$url = $this->url;
$url .= $this->query ? '?'.$this->query : '';
$url .= $this->reference ? '#'.urlencode($this->reference) : '';
return $url;
}
public function removeArgument($key) {
unset($this->arguments[$key]);
return $this;
}
public function setArgument($key, $value = '') {
$this->arguments[$key] = $value;
return $this;
}
/**
* Returns true if the specified argument is present in $this->arguments.
*
* @param $key string The name of the argument.
*
* @return bool
*/
public function hasArgument($key) {
return array_key_exists($key, $this->arguments) ;
}
public function toString() {
return $this->getUrl();
}
}
|
