|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* @package CleverStyle Framework |
|
4
|
|
|
* @author Nazar Mokrynskyi <[email protected]> |
|
5
|
|
|
* @copyright Copyright (c) 2011-2016, Nazar Mokrynskyi |
|
6
|
|
|
* @license MIT License, see license.txt |
|
7
|
|
|
*/ |
|
8
|
|
|
namespace cs\DB; |
|
9
|
|
|
use |
|
10
|
|
|
mysqli_result; |
|
11
|
|
|
|
|
12
|
|
|
class MySQLi extends _Abstract { |
|
13
|
|
|
/** |
|
14
|
|
|
* @var \MySQLi Instance of DB connection |
|
15
|
|
|
*/ |
|
16
|
|
|
protected $instance; |
|
17
|
|
|
/** |
|
18
|
|
|
* @inheritdoc |
|
19
|
|
|
*/ |
|
20
|
24 |
|
public function __construct ($database, $user = '', $password = '', $host = 'localhost', $prefix = '') { |
|
21
|
24 |
|
$start = microtime(true); |
|
22
|
|
|
/** |
|
23
|
|
|
* Parsing of $host variable, detecting port and persistent connection |
|
24
|
|
|
*/ |
|
25
|
24 |
|
list($host, $port) = $this->get_host_and_port($host); |
|
26
|
24 |
|
$this->instance = new \MySQLi($host, $user, $password, $database, $port); |
|
27
|
24 |
|
if (!is_object($this->instance) || $this->instance->connect_errno) { |
|
28
|
1 |
|
return; |
|
29
|
|
|
} |
|
30
|
24 |
|
$this->database = $database; |
|
31
|
|
|
/** |
|
32
|
|
|
* Changing DB charset if necessary |
|
33
|
|
|
*/ |
|
34
|
24 |
|
if ($this->instance->character_set_name() != 'utf8mb4') { |
|
35
|
24 |
|
$this->instance->set_charset('utf8mb4'); |
|
36
|
|
|
} |
|
37
|
24 |
|
$this->connected = true; |
|
38
|
24 |
|
$this->connecting_time = microtime(true) - $start; |
|
39
|
24 |
|
$this->db_type = 'mysql'; |
|
40
|
24 |
|
$this->prefix = $prefix; |
|
41
|
24 |
|
} |
|
42
|
|
|
/** |
|
43
|
|
|
* Parse host string into host and port separately |
|
44
|
|
|
* |
|
45
|
|
|
* Understands `p:` prefix for persistent connections |
|
46
|
|
|
* |
|
47
|
|
|
* @param string $host_string |
|
48
|
|
|
* |
|
49
|
|
|
* @return array |
|
50
|
|
|
*/ |
|
51
|
24 |
|
protected function get_host_and_port ($host_string) { |
|
52
|
24 |
|
$host = explode(':', $host_string); |
|
53
|
24 |
|
$port = ini_get('mysqli.default_port') ?: 3306; |
|
54
|
24 |
|
switch (count($host)) { |
|
55
|
24 |
|
case 1: |
|
56
|
24 |
|
$host = $host[0]; |
|
57
|
24 |
|
break; |
|
58
|
1 |
|
case 2: |
|
59
|
1 |
|
if ($host[0] == 'p') { |
|
60
|
1 |
|
$host = "$host[0]:$host[1]"; |
|
61
|
|
|
} else { |
|
62
|
1 |
|
list($host, $port) = $host; |
|
63
|
|
|
} |
|
64
|
1 |
|
break; |
|
65
|
1 |
|
case 3: |
|
66
|
1 |
|
$port = $host[2]; |
|
67
|
1 |
|
$host = "$host[0]:$host[1]"; |
|
68
|
|
|
} |
|
69
|
24 |
|
return [$host, $port]; |
|
70
|
|
|
} |
|
71
|
|
|
/** |
|
72
|
|
|
* @inheritdoc |
|
73
|
|
|
* |
|
74
|
|
|
* @return bool|mysqli_result |
|
75
|
|
|
*/ |
|
76
|
24 |
|
protected function q_internal ($query, $parameters = []) { |
|
77
|
24 |
|
if (!$query) { |
|
78
|
1 |
|
return false; |
|
79
|
|
|
} |
|
80
|
24 |
|
$result = $this->q_internal_internal($query, $parameters); |
|
81
|
|
|
/* |
|
82
|
|
|
* In case of MySQL Client error try once again |
|
83
|
|
|
*/ |
|
84
|
|
|
if ( |
|
85
|
24 |
|
!$result && |
|
86
|
24 |
|
$this->instance->errno >= 2000 && |
|
87
|
24 |
|
$this->instance->ping() |
|
88
|
|
|
) { |
|
89
|
|
|
$result = $this->q_internal_internal($query, $parameters); |
|
90
|
|
|
} |
|
91
|
24 |
|
return $result; |
|
92
|
|
|
} |
|
93
|
|
|
/** |
|
94
|
|
|
* @param string $query |
|
95
|
|
|
* @param array $parameters |
|
96
|
|
|
* |
|
97
|
|
|
* @return bool|mysqli_result |
|
98
|
|
|
*/ |
|
99
|
24 |
|
protected function q_internal_internal ($query, $parameters) { |
|
100
|
24 |
|
if (!$parameters) { |
|
101
|
24 |
|
return $this->instance->query($query); |
|
102
|
|
|
} |
|
103
|
21 |
|
$stmt = $this->instance->prepare($query); |
|
104
|
|
|
// Allows to provide more parameters for prepared statements than needed |
|
105
|
21 |
|
$local_parameters = array_slice($parameters, 0, substr_count($query, '?')); |
|
106
|
21 |
|
$stmt->bind_param( |
|
107
|
21 |
|
str_repeat('s', count($local_parameters)), |
|
108
|
21 |
|
...$local_parameters |
|
109
|
|
|
); |
|
110
|
21 |
|
$result = $stmt->execute(); |
|
111
|
|
|
/** |
|
112
|
|
|
* Return result only for SELECT queries, boolean otherwise |
|
113
|
|
|
*/ |
|
114
|
21 |
|
return $stmt->get_result() ?: $result; |
|
115
|
|
|
} |
|
116
|
|
|
/** |
|
117
|
|
|
* @inheritdoc |
|
118
|
|
|
* |
|
119
|
|
|
* @param false|mysqli_result $query_result |
|
120
|
|
|
*/ |
|
121
|
23 |
|
public function f ($query_result, $single_column = false, $array = false, $indexed = false) { |
|
122
|
23 |
|
if (!($query_result instanceof mysqli_result)) { |
|
123
|
1 |
|
return false; |
|
124
|
|
|
} |
|
125
|
23 |
|
$result_type = $single_column || $indexed ? MYSQLI_NUM : MYSQLI_ASSOC; |
|
126
|
23 |
|
if ($array) { |
|
127
|
20 |
|
$result = []; |
|
128
|
20 |
|
while ($current = $query_result->fetch_array($result_type)) { |
|
129
|
20 |
|
$result[] = $single_column ? $current[0] : $current; |
|
130
|
|
|
} |
|
131
|
20 |
|
$this->free($query_result); |
|
132
|
20 |
|
return $result; |
|
133
|
|
|
} |
|
134
|
22 |
|
$result = $query_result->fetch_array($result_type); |
|
135
|
22 |
|
if ($result === null) { |
|
136
|
16 |
|
$result = false; |
|
137
|
|
|
} |
|
138
|
22 |
|
return $single_column && $result ? $result[0] : $result; |
|
139
|
|
|
} |
|
140
|
|
|
/** |
|
141
|
|
|
* @inheritdoc |
|
142
|
|
|
*/ |
|
143
|
17 |
|
public function id () { |
|
144
|
17 |
|
return $this->instance->insert_id; |
|
145
|
|
|
} |
|
146
|
|
|
/** |
|
147
|
|
|
* @inheritdoc |
|
148
|
|
|
*/ |
|
149
|
1 |
|
public function affected () { |
|
150
|
1 |
|
return $this->instance->affected_rows; |
|
151
|
|
|
} |
|
152
|
|
|
/** |
|
153
|
|
|
* @inheritdoc |
|
154
|
|
|
* |
|
155
|
|
|
* @param false|mysqli_result $query_result |
|
156
|
|
|
*/ |
|
157
|
20 |
|
public function free ($query_result) { |
|
158
|
20 |
|
if ($query_result instanceof mysqli_result) { |
|
159
|
20 |
|
$query_result->free(); |
|
160
|
|
|
} |
|
161
|
20 |
|
return true; |
|
162
|
|
|
} |
|
163
|
|
|
/** |
|
164
|
|
|
* @inheritdoc |
|
165
|
|
|
*/ |
|
166
|
2 |
|
public function columns ($table, $like = false) { |
|
167
|
2 |
|
if (!$table) { |
|
168
|
1 |
|
return false; |
|
169
|
|
|
} |
|
170
|
2 |
|
if ($like) { |
|
171
|
1 |
|
$like = $this->s($like); |
|
172
|
1 |
|
$columns = $this->qfas("SHOW COLUMNS FROM `$table` LIKE $like") ?: []; |
|
173
|
|
|
} else { |
|
174
|
2 |
|
$columns = $this->qfas("SHOW COLUMNS FROM `$table`") ?: []; |
|
175
|
|
|
} |
|
176
|
2 |
|
return $columns; |
|
177
|
|
|
} |
|
178
|
|
|
/** |
|
179
|
|
|
* @inheritdoc |
|
180
|
|
|
*/ |
|
181
|
1 |
|
public function tables ($like = false) { |
|
182
|
1 |
|
if ($like) { |
|
183
|
1 |
|
$like = $this->s($like); |
|
184
|
1 |
|
return $this->qfas("SHOW TABLES FROM `$this->database` LIKE $like") ?: []; |
|
185
|
|
|
} else { |
|
186
|
1 |
|
return $this->qfas("SHOW TABLES FROM `$this->database`") ?: []; |
|
187
|
|
|
} |
|
188
|
|
|
} |
|
189
|
|
|
/** |
|
190
|
|
|
* @inheritdoc |
|
191
|
|
|
*/ |
|
192
|
22 |
|
protected function s_internal ($string, $single_quotes_around) { |
|
193
|
22 |
|
$return = $this->instance->real_escape_string($string); |
|
194
|
22 |
|
return $single_quotes_around ? "'$return'" : $return; |
|
195
|
|
|
} |
|
196
|
|
|
/** |
|
197
|
|
|
* @inheritdoc |
|
198
|
|
|
*/ |
|
199
|
1 |
|
public function server () { |
|
200
|
1 |
|
return $this->instance->server_info; |
|
201
|
|
|
} |
|
202
|
|
|
/** |
|
203
|
|
|
* @inheritdoc |
|
204
|
|
|
*/ |
|
205
|
2 |
|
public function __destruct () { |
|
206
|
2 |
|
if ($this->connected && is_object($this->instance)) { |
|
207
|
2 |
|
$this->instance->close(); |
|
208
|
2 |
|
$this->connected = false; |
|
209
|
|
|
} |
|
210
|
2 |
|
} |
|
211
|
|
|
} |
|
212
|
|
|
|
nazar-pc /
CleverStyle-Framework
