1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/** |
4
|
|
|
* This file is part of the alphaz Framework. |
5
|
|
|
* |
6
|
|
|
* @author Muhammad Umer Farooq (Malik) <[email protected]> |
7
|
|
|
* |
8
|
|
|
* @link https://github.com/alphazframework/framework |
9
|
|
|
* |
10
|
|
|
* For the full copyright and license information, please view the LICENSE |
11
|
|
|
* file that was distributed with this source code. |
12
|
|
|
* |
13
|
|
|
* @license MIT |
14
|
|
|
*/ |
15
|
|
|
|
16
|
|
|
namespace alphaz\Database\Query; |
17
|
|
|
|
18
|
|
|
class Query |
19
|
|
|
{ |
20
|
|
|
/** |
21
|
|
|
* Prepare a query to insert into db. |
22
|
|
|
* |
23
|
|
|
* @param |
24
|
|
|
* $table Name of tabke |
25
|
|
|
* array array(); e.g: |
26
|
|
|
* 'name' => 'new name' or $comeformvariable |
27
|
|
|
* 'username' => 'new username' or $comeformvariable |
28
|
|
|
* |
29
|
|
|
* @return query |
30
|
|
|
*/ |
|
|
|
|
31
|
|
|
public function insert($params) |
32
|
|
|
{ |
33
|
|
|
if (is_array($params)) { |
34
|
|
|
$count_rows = count($params['columns']); |
35
|
|
|
$increment = 1; |
36
|
|
|
foreach ($params['columns'] as $keys => $value) { |
37
|
|
|
for ($i = 1; $i <= $count_rows; $i++) { |
38
|
|
|
$data[$keys] = $value; |
39
|
|
|
} |
40
|
|
|
} |
41
|
|
|
foreach ($data as $keys => $values) { |
|
|
|
|
42
|
|
|
if ($increment == $count_rows) { |
43
|
|
|
$columns[] = "{$keys} = '{$values}'"; |
44
|
|
|
} else { |
45
|
|
|
$columns[] = "{$keys} = '{$values}'"; |
46
|
|
|
} |
47
|
|
|
$increment++; |
48
|
|
|
} |
49
|
|
|
$columns = implode(' , ', $columns); |
|
|
|
|
50
|
|
|
$query = "INSERT INTO `{$params['table']}`SET {$columns}"; |
51
|
|
|
if (isset($params['debug']) and strtolower($params['debug']) === 'on') { |
52
|
|
|
var_dump($query); |
|
|
|
|
53
|
|
|
} |
54
|
|
|
|
55
|
|
|
return $query; |
|
|
|
|
56
|
|
|
} else { |
57
|
|
|
return false; |
|
|
|
|
58
|
|
|
} |
59
|
|
|
} |
60
|
|
|
|
61
|
|
|
/** |
62
|
|
|
* Prepare a query to Update data in database. |
63
|
|
|
* |
64
|
|
|
* @param array $params; e.g: |
65
|
|
|
* 'table' required name of table |
66
|
|
|
* 'db_name' => Database name |
67
|
|
|
* 'wheres' Specify id or else for updating records |
68
|
|
|
* 'columns' => data e.g name=>new name |
69
|
|
|
* |
70
|
|
|
* @return query |
71
|
|
|
*/ |
72
|
|
|
public function update($params) |
73
|
|
|
{ |
74
|
|
|
if (is_array($params)) { |
75
|
|
|
$count_rows = count($params['columns']); |
76
|
|
|
$increment = 1; |
77
|
|
|
foreach ($params['columns'] as $keys => $value) { |
78
|
|
|
for ($i = 1; $i <= $count_rows; $i++) { |
79
|
|
|
$data[$keys] = $value; |
80
|
|
|
} |
81
|
|
|
} |
82
|
|
|
foreach ($data as $keys => $values) { |
|
|
|
|
83
|
|
|
if ($increment == $count_rows) { |
84
|
|
|
$columns[] = "{$keys} = '{$values}'"; |
85
|
|
|
} else { |
86
|
|
|
$columns[] = "{$keys} = '{$values}'"; |
87
|
|
|
} |
88
|
|
|
$increment++; |
89
|
|
|
} |
90
|
|
|
$columns = implode(' , ', $columns); |
|
|
|
|
91
|
|
|
$wheres = $this->prepareWhere($params['wheres']); |
92
|
|
|
$query = "UPDATE `{$params['table']}`SET {$columns} {$wheres}"; |
93
|
|
|
if (isset($params['debug']) and strtolower($params['debug']) === 'on') { |
94
|
|
|
var_dump($query); |
|
|
|
|
95
|
|
|
} |
96
|
|
|
|
97
|
|
|
return $query; |
|
|
|
|
98
|
|
|
} else { |
99
|
|
|
return false; |
|
|
|
|
100
|
|
|
} |
101
|
|
|
} |
102
|
|
|
|
103
|
|
|
/** |
104
|
|
|
* Prepare a query to select data from database. |
105
|
|
|
* |
106
|
|
|
* @param array array(); |
107
|
|
|
* 'table' Names of table |
108
|
|
|
* 'db_name' => Database name |
109
|
|
|
* 'params' Names of columns which you want to select |
110
|
|
|
* 'wheres' Specify a selection criteria to get required records |
111
|
|
|
* 'debug' If on var_dump sql query |
112
|
|
|
* |
113
|
|
|
* @return query |
114
|
|
|
*/ |
115
|
|
|
public function select($params) |
116
|
|
|
{ |
117
|
|
|
if (is_array($params)) { |
118
|
|
|
if (!isset($params['params'])) { |
119
|
|
|
$columns = '*'; |
120
|
|
|
} else { |
121
|
|
|
$columns = implode(', ', array_values($params['params'])); |
122
|
|
|
} |
123
|
|
|
if (isset($params['distinct'])) { |
124
|
|
|
$distinct = ' DISTINCT '; |
125
|
|
|
} else { |
126
|
|
|
$distinct = ''; |
127
|
|
|
} |
128
|
|
|
$wheres = (isset($params['wheres'])) ? $this->prepareWhere($params['wheres']) : ''; |
129
|
|
|
if (isset($params['joins'])) { |
130
|
|
|
if (!empty($params['joins'])) { |
131
|
|
|
if (!isset($params['joins']['using'])) { |
132
|
|
|
$join = ' JOIN '.$params['joins']['table2'].' ON '.$params['joins']['column1'].' = '.$params['joins']['column2']; |
133
|
|
|
} else { |
134
|
|
|
$join = ' JOIN '.$params['joins']['table2'].' Using '.$params['joins']['using']; |
135
|
|
|
} |
136
|
|
|
} |
137
|
|
|
} else { |
138
|
|
|
$join = ''; |
139
|
|
|
} |
140
|
|
|
if (isset($params['limit'])) { |
141
|
|
|
if (!empty($params['limit'])) { |
142
|
|
|
$limit = ' LIMIT '.$params['limit']['start'].' OFFSET '.$params['limit']['end']; |
143
|
|
|
} else { |
144
|
|
|
$limit = ''; |
145
|
|
|
} |
146
|
|
|
} else { |
147
|
|
|
$limit = ''; |
148
|
|
|
} |
149
|
|
|
if (isset($params['order_by'])) { |
150
|
|
|
if (!empty($params['order_by'])) { |
151
|
|
|
$order_by = ' ORDER BY '.$params['order_by']; |
152
|
|
|
} else { |
153
|
|
|
$order_by = ''; |
154
|
|
|
} |
155
|
|
|
} else { |
156
|
|
|
$order_by = ''; |
157
|
|
|
} |
158
|
|
|
$query = "SELECT {$distinct} {$columns} FROM {$params['table']} {$join} {$wheres} {$order_by} {$limit} ;"; |
|
|
|
|
159
|
|
|
if (isset($params['debug']) and strtolower($params['debug']) === 'on') { |
160
|
|
|
var_dump($query); |
|
|
|
|
161
|
|
|
} |
162
|
|
|
|
163
|
|
|
return $query; |
|
|
|
|
164
|
|
|
} else { |
165
|
|
|
return false; |
|
|
|
|
166
|
|
|
} |
167
|
|
|
} |
168
|
|
|
|
169
|
|
|
/** |
170
|
|
|
* Prepare a query to delete data from database. |
171
|
|
|
* |
172
|
|
|
* @param $params array array(); |
173
|
|
|
* 'table' Names of table |
174
|
|
|
* 'db_name' => Database name |
175
|
|
|
* 'wheres' Specify a selection criteria to get required records |
176
|
|
|
* |
177
|
|
|
* @return query |
178
|
|
|
*/ |
179
|
|
|
public function delete($params) |
180
|
|
|
{ |
181
|
|
|
if (is_array($params)) { |
182
|
|
|
if (!empty($params['wheres'])) { |
183
|
|
|
$wheres = $this->prepareWhere($params['wheres']); |
184
|
|
|
} else { |
185
|
|
|
return false; |
|
|
|
|
186
|
|
|
} |
187
|
|
|
$query = "DELETE FROM `{$params['table']}` {$wheres};"; |
188
|
|
|
if (isset($params['debug']) and strtolower($params['debug']) === 'on') { |
189
|
|
|
var_dump($query); |
|
|
|
|
190
|
|
|
} |
191
|
|
|
|
192
|
|
|
return $query; |
|
|
|
|
193
|
|
|
} else { |
194
|
|
|
return false; |
|
|
|
|
195
|
|
|
} |
196
|
|
|
} |
197
|
|
|
|
198
|
|
|
/** |
199
|
|
|
* prepare the where statement. |
200
|
|
|
* |
201
|
|
|
* @param 'wheres' Specify a selection criteria to get required records |
|
|
|
|
202
|
|
|
* |
203
|
|
|
* @return query |
204
|
|
|
*/ |
205
|
|
|
public function prepareWhere($wheres = null) |
206
|
|
|
{ |
207
|
|
|
if (isset($wheres)) { |
208
|
|
|
if (!empty($wheres)) { |
209
|
|
|
$wheres = ' WHERE '.implode(' and ', array_values($wheres)); |
210
|
|
|
} else { |
211
|
|
|
$wheres = ''; |
212
|
|
|
} |
213
|
|
|
} else { |
214
|
|
|
$wheres = ''; |
215
|
|
|
} |
216
|
|
|
|
217
|
|
|
return $wheres; |
|
|
|
|
218
|
|
|
} |
219
|
|
|
|
220
|
|
|
/** |
221
|
|
|
* Prepare the use statement. |
222
|
|
|
* |
223
|
|
|
* @param $name name of database |
|
|
|
|
224
|
|
|
* |
225
|
|
|
* @return query |
226
|
|
|
*/ |
227
|
|
|
public function useQuery($name) |
228
|
|
|
{ |
229
|
|
|
return "USE `{$name}`"; |
|
|
|
|
230
|
|
|
} |
231
|
|
|
|
232
|
|
|
/** |
233
|
|
|
* Creating database query if not exists. |
234
|
|
|
* |
235
|
|
|
* @param $name name of database |
236
|
|
|
* |
237
|
|
|
* @return query |
238
|
|
|
*/ |
239
|
|
|
public function createDb($name) |
240
|
|
|
{ |
241
|
|
|
if (isset($name) && !empty(trim($name))) { |
242
|
|
|
$sql = "CREATE DATABASE IF NOT EXISTS `{$name}`"; |
243
|
|
|
|
244
|
|
|
return $sql; |
|
|
|
|
245
|
|
|
} else { |
246
|
|
|
return false; |
|
|
|
|
247
|
|
|
} |
248
|
|
|
} |
249
|
|
|
|
250
|
|
|
/** |
251
|
|
|
* Deleting database query if not exists. |
252
|
|
|
* |
253
|
|
|
* @param $name name of database |
254
|
|
|
* |
255
|
|
|
* @return query |
256
|
|
|
*/ |
257
|
|
|
public function deleteDb($name) |
258
|
|
|
{ |
259
|
|
|
if (isset($name) && !empty(trim($name))) { |
260
|
|
|
$sql = "DROP DATABASE `{$name}` "; |
261
|
|
|
|
262
|
|
|
return $sql; |
|
|
|
|
263
|
|
|
} else { |
264
|
|
|
return false; |
|
|
|
|
265
|
|
|
} |
266
|
|
|
} |
267
|
|
|
|
268
|
|
|
/** |
269
|
|
|
* Deleting table query if not exists. |
270
|
|
|
* |
271
|
|
|
* @param $dbname name of database |
272
|
|
|
* $table => $table name |
273
|
|
|
* |
274
|
|
|
* @return query |
275
|
|
|
*/ |
276
|
|
|
public function deleteTbl($table) |
277
|
|
|
{ |
278
|
|
|
if (isset($table) && !empty(trim($table))) { |
279
|
|
|
$sql = "DROP TABLE `{$table}` "; |
280
|
|
|
|
281
|
|
|
return $sql; |
|
|
|
|
282
|
|
|
} else { |
283
|
|
|
return false; |
|
|
|
|
284
|
|
|
} |
285
|
|
|
} |
286
|
|
|
} |
287
|
|
|
|