|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* @package Framework\DB |
|
5
|
|
|
* @author Anton Romanov |
|
6
|
|
|
* @copyright Copyright (c) 2015-2016, Anton Romanov |
|
7
|
|
|
* @link http://cadmium-cms.com |
|
8
|
|
|
*/ |
|
9
|
|
|
|
|
10
|
|
|
namespace { |
|
11
|
|
|
|
|
12
|
|
|
abstract class DB { |
|
13
|
|
|
|
|
14
|
|
|
private static $link = null, $last = null, $log = [], $time = 0; |
|
15
|
|
|
|
|
16
|
|
|
/** |
|
17
|
|
|
* Connect to a database |
|
18
|
|
|
*/ |
|
19
|
|
|
|
|
20
|
|
|
public static function connect(string $server, string $user, string $password, string $name) { |
|
21
|
|
|
|
|
22
|
|
|
# Establish connection |
|
23
|
|
|
|
|
24
|
|
|
// Ignore error to avoid warning when trying to connect to unavailable host |
|
25
|
|
|
|
|
26
|
|
|
if (false === ($link = @mysqli_connect($server, $user, $password))) throw new Exception\DBConnect; |
|
27
|
|
|
|
|
28
|
|
|
# Set encoding |
|
29
|
|
|
|
|
30
|
|
|
if (!mysqli_query($link, "SET character_set_client = 'utf8'")) throw new Exception\DBCharset; |
|
31
|
|
|
|
|
32
|
|
|
if (!mysqli_query($link, "SET character_set_results = 'utf8'")) throw new Exception\DBCharset; |
|
33
|
|
|
|
|
34
|
|
|
if (!mysqli_query($link, "SET collation_connection = 'utf8_general_ci'")) throw new Exception\DBCharset; |
|
35
|
|
|
|
|
36
|
|
|
# ------------------------ |
|
37
|
|
|
|
|
38
|
|
|
self::$link = $link; self::name($name); |
|
39
|
|
|
} |
|
40
|
|
|
|
|
41
|
|
|
/** |
|
42
|
|
|
* Select a database |
|
43
|
|
|
*/ |
|
44
|
|
|
|
|
45
|
|
|
public static function name(string $name) { |
|
46
|
|
|
|
|
47
|
|
|
if (!mysqli_select_db(self::$link, $name)) throw new Exception\DBSelect; |
|
48
|
|
|
} |
|
49
|
|
|
|
|
50
|
|
|
/** |
|
51
|
|
|
* Send a query |
|
52
|
|
|
* |
|
53
|
|
|
* @return DB\Result|false : the result object or false on failure |
|
54
|
|
|
*/ |
|
55
|
|
|
|
|
56
|
|
|
public static function send(string $query) { |
|
57
|
|
|
|
|
58
|
|
|
if (null === self::$link) return (self::$last = false); |
|
59
|
|
|
|
|
60
|
|
|
$time = microtime(true); $result = mysqli_query(self::$link, $query); $time = (microtime(true) - $time); |
|
61
|
|
|
|
|
62
|
|
|
self::$last = new DB\Result(self::$link, $result, $query, $time); |
|
63
|
|
|
|
|
64
|
|
|
self::$log[] = self::$last; self::$time += $time; |
|
65
|
|
|
|
|
66
|
|
|
# ------------------------ |
|
67
|
|
|
|
|
68
|
|
|
return self::$last; |
|
69
|
|
|
} |
|
70
|
|
|
|
|
71
|
|
|
/** |
|
72
|
|
|
* Send a select query |
|
73
|
|
|
* |
|
74
|
|
|
* @param $table a table name |
|
75
|
|
|
* @param $selection a string or an array where each value is a field name |
|
76
|
|
|
* @param $condition a string or an array where each key is a field name and each value is a field value |
|
77
|
|
|
* @param $order a string or an array where each key is a field name and each value is a sorting direction (ASC or DESC) |
|
78
|
|
|
* @param $limit a maximum number of rows to be selected |
|
79
|
|
|
* |
|
80
|
|
|
* @return DB\Result|false : the result object or false on failure |
|
81
|
|
|
*/ |
|
82
|
|
|
|
|
83
|
|
|
public static function select(string $table, $selection, $condition = null, $order = null, int $limit = 0) { |
|
|
|
|
|
|
84
|
|
|
|
|
85
|
|
|
return self::send(new DB\Query\Select(...func_get_args())); |
|
|
|
|
|
|
86
|
|
|
} |
|
87
|
|
|
|
|
88
|
|
|
/** |
|
89
|
|
|
* Send an insert query |
|
90
|
|
|
* |
|
91
|
|
|
* @param $table a table name |
|
92
|
|
|
* @param $set an array where each key is a field name and each value is a field value, or an array of such arrays |
|
93
|
|
|
* @param $multiple tells that the set must be interpreted as a multi-dimensional array (for multi-row inserts) |
|
94
|
|
|
* @param $ignore tells to ignore insert errors, such as a duplicate-key error |
|
95
|
|
|
* |
|
96
|
|
|
* @return DB\Result|false : the result object or false on failure |
|
97
|
|
|
*/ |
|
98
|
|
|
|
|
99
|
|
|
public static function insert(string $table, array $set, bool $multiple = false, bool $ignore = false) { |
|
|
|
|
|
|
100
|
|
|
|
|
101
|
|
|
return self::send(new DB\Query\Insert(...func_get_args())); |
|
|
|
|
|
|
102
|
|
|
} |
|
103
|
|
|
|
|
104
|
|
|
/** |
|
105
|
|
|
* Send an update query |
|
106
|
|
|
* |
|
107
|
|
|
* @param $table a table name |
|
108
|
|
|
* @param $set an array where each key is a field name and each value is a field value |
|
109
|
|
|
* @param $condition a string or an array where each key is a field name and each value is a field value |
|
110
|
|
|
* |
|
111
|
|
|
* @return DB\Result|false : the result object or false on failure |
|
112
|
|
|
*/ |
|
113
|
|
|
|
|
114
|
|
|
public static function update(string $table, array $set, $condition = null) { |
|
|
|
|
|
|
115
|
|
|
|
|
116
|
|
|
return self::send(new DB\Query\Update(...func_get_args())); |
|
|
|
|
|
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
|
|
/** |
|
120
|
|
|
* Send a delete query |
|
121
|
|
|
* |
|
122
|
|
|
* @param $table a table name |
|
123
|
|
|
* @param $condition a string or an array where each key is a field name and each value is a field value |
|
124
|
|
|
* |
|
125
|
|
|
* @return DB\Result|false : the result object or false on failure |
|
126
|
|
|
*/ |
|
127
|
|
|
|
|
128
|
|
|
public static function delete(string $table, $condition = null) { |
|
|
|
|
|
|
129
|
|
|
|
|
130
|
|
|
return self::send(new DB\Query\Delete(...func_get_args())); |
|
|
|
|
|
|
131
|
|
|
} |
|
132
|
|
|
|
|
133
|
|
|
/** |
|
134
|
|
|
* Get the last result object |
|
135
|
|
|
* |
|
136
|
|
|
* @return DB\Result|false|null : the result object or false if the last query failed or null if there have been no queries sent |
|
137
|
|
|
*/ |
|
138
|
|
|
|
|
139
|
|
|
public static function getLast() { |
|
140
|
|
|
|
|
141
|
|
|
return self::$last; |
|
142
|
|
|
} |
|
143
|
|
|
|
|
144
|
|
|
/** |
|
145
|
|
|
* Get the array of all the result objects |
|
146
|
|
|
*/ |
|
147
|
|
|
|
|
148
|
|
|
public static function getLog() : array { |
|
149
|
|
|
|
|
150
|
|
|
return self::$log; |
|
151
|
|
|
} |
|
152
|
|
|
|
|
153
|
|
|
/** |
|
154
|
|
|
* Get the total time of all the queries sent |
|
155
|
|
|
*/ |
|
156
|
|
|
|
|
157
|
|
|
public static function getTime() : string { |
|
158
|
|
|
|
|
159
|
|
|
return number_format(self::$time, 10); |
|
160
|
|
|
} |
|
161
|
|
|
} |
|
162
|
|
|
} |
|
163
|
|
|
|
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.