Skip to content
Navigation Menu
{{ message }}
forked from ezSQL/ezsql
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathez_sql_mysql.php
More file actions
336 lines (272 loc) · 9.33 KB
/
Copy pathez_sql_mysql.php
File metadata and controls
336 lines (272 loc) · 9.33 KB
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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
<?php
/**********************************************************************
* Author: Justin Vincent (jv@jvmultimedia.com)
* Web...: http://twitter.com/justinvincent
* Name..: ezSQL_mysql
* Desc..: mySQL component (part of ezSQL databse abstraction library)
*
*/
/**********************************************************************
* ezSQL error strings - mySQL
*/
global $ezsql_mysql_str;
$ezsql_mysql_str = array
(
1 => 'Require $dbuser and $dbpassword to connect to a database server',
2 => 'Error establishing mySQL database connection. Correct user/password? Correct hostname? Database server running?',
3 => 'Require $dbname to select a database',
4 => 'mySQL database connection is not active',
5 => 'Unexpected error while trying to select database'
);
/**********************************************************************
* ezSQL Database specific class - mySQL
*/
if ( ! function_exists ('mysql_connect') ) die('<b>Fatal Error:</b> ezSQL_mysql requires mySQL Lib to be compiled and or linked in to the PHP engine');
if ( ! class_exists ('ezSQLcore') ) die('<b>Fatal Error:</b> ezSQL_mysql requires ezSQLcore (ez_sql_core.php) to be included/loaded before it can be used');
class ezSQL_mysql extends ezSQLcore
{
var $dbuser = false;
var $dbpassword = false;
var $dbname = false;
var $dbhost = false;
var $encoding = false;
var $rows_affected = false;
/**********************************************************************
* Constructor - allow the user to perform a quick connect at the
* same time as initialising the ezSQL_mysql class
*/
function ezSQL_mysql($dbuser='', $dbpassword='', $dbname='', $dbhost='localhost', $encoding='')
{
$this->dbuser = $dbuser;
$this->dbpassword = $dbpassword;
$this->dbname = $dbname;
$this->dbhost = $dbhost;
$this->encoding = $encoding;
}
/**********************************************************************
* Short hand way to connect to mySQL database server
* and select a mySQL database at the same time
*/
function quick_connect($dbuser='', $dbpassword='', $dbname='', $dbhost='localhost', $encoding='')
{
$return_val = false;
if ( ! $this->connect($dbuser, $dbpassword, $dbhost,true) ) ;
else if ( ! $this->select($dbname,$encoding) ) ;
else $return_val = true;
return $return_val;
}
/**********************************************************************
* Try to connect to mySQL database server
*/
function connect($dbuser='', $dbpassword='', $dbhost='localhost')
{
global $ezsql_mysql_str; $return_val = false;
// Keep track of how long the DB takes to connect
$this->timer_start('db_connect_time');
// Must have a user and a password
if ( ! $dbuser )
{
$this->register_error($ezsql_mysql_str[1].' in '.__FILE__.' on line '.__LINE__);
$this->show_errors ? trigger_error($ezsql_mysql_str[1],E_USER_WARNING) : null;
}
// Try to establish the server database handle
else if ( ! $this->dbh = @mysql_connect($dbhost,$dbuser,$dbpassword,true,131074) )
{
$this->register_error($ezsql_mysql_str[2].' in '.__FILE__.' on line '.__LINE__);
$this->show_errors ? trigger_error($ezsql_mysql_str[2],E_USER_WARNING) : null;
}
else
{
$this->dbuser = $dbuser;
$this->dbpassword = $dbpassword;
$this->dbhost = $dbhost;
$return_val = true;
$this->conn_queries = 0;
}
return $return_val;
}
/**********************************************************************
* Try to select a mySQL database
*/
function select($dbname='', $encoding='')
{
global $ezsql_mysql_str; $return_val = false;
// Must have a database name
if ( ! $dbname )
{
$this->register_error($ezsql_mysql_str[3].' in '.__FILE__.' on line '.__LINE__);
$this->show_errors ? trigger_error($ezsql_mysql_str[3],E_USER_WARNING) : null;
}
// Must have an active database connection
else if ( ! $this->dbh )
{
$this->register_error($ezsql_mysql_str[4].' in '.__FILE__.' on line '.__LINE__);
$this->show_errors ? trigger_error($ezsql_mysql_str[4],E_USER_WARNING) : null;
}
// Try to connect to the database
else if ( !@mysql_select_db($dbname,$this->dbh) )
{
// Try to get error supplied by mysql if not use our own
if ( !$str = @mysql_error($this->dbh))
$str = $ezsql_mysql_str[5];
$this->register_error($str.' in '.__FILE__.' on line '.__LINE__);
$this->show_errors ? trigger_error($str,E_USER_WARNING) : null;
}
else
{
$this->dbname = $dbname;
if ( $encoding == '') $encoding = $this->encoding;
if($encoding!='')
{
$encoding = strtolower(str_replace("-","",$encoding));
$charsets = array();
$result = mysql_query("SHOW CHARACTER SET");
while($row = mysql_fetch_array($result,MYSQL_ASSOC))
{
$charsets[] = $row["Charset"];
}
if(in_array($encoding,$charsets)){
mysql_query("SET NAMES '".$encoding."'");
}
}
$return_val = true;
}
return $return_val;
}
/**********************************************************************
* Format a mySQL string correctly for safe mySQL insert
* (no mater if magic quotes are on or not)
*/
function escape($str)
{
// If there is no existing database connection then try to connect
if ( ! isset($this->dbh) || ! $this->dbh )
{
$this->connect($this->dbuser, $this->dbpassword, $this->dbhost);
$this->select($this->dbname, $this->encoding);
}
return mysql_real_escape_string(stripslashes($str));
}
/**********************************************************************
* Return mySQL specific system date syntax
* i.e. Oracle: SYSDATE Mysql: NOW()
*/
function sysdate()
{
return 'NOW()';
}
/**********************************************************************
* Perform mySQL query and try to detirmin result value
*/
function query($query)
{
// This keeps the connection alive for very long running scripts
if ( $this->count(false) >= 500 )
{
$this->disconnect();
$this->quick_connect($this->dbuser,$this->dbpassword,$this->dbname,$this->dbhost,$this->encoding);
}
// Initialise return
$return_val = 0;
// Flush cached values..
$this->flush();
// For reg expressions
$query = trim($query);
// Log how the function was called
$this->func_call = "\$db->query(\"$query\")";
// Keep track of the last query for debug..
$this->last_query = $query;
// Count how many queries there have been
$this->count(true, true);
// Start timer
$this->timer_start($this->num_queries);
// Use core file cache function
if ( $cache = $this->get_cache($query) )
{
// Keep tack of how long all queries have taken
$this->timer_update_global($this->num_queries);
// Trace all queries
if ( $this->use_trace_log )
{
$this->trace_log[] = $this->debug(false);
}
return $cache;
}
// If there is no existing database connection then try to connect
if ( ! isset($this->dbh) || ! $this->dbh )
{
$this->connect($this->dbuser, $this->dbpassword, $this->dbhost);
$this->select($this->dbname,$this->encoding);
// No existing connection at this point means the server is unreachable
if ( ! isset($this->dbh) || ! $this->dbh )
return false;
}
// Perform the query via std mysql_query function..
$this->result = @mysql_query($query,$this->dbh);
// If there is an error then take note of it..
if ( $str = @mysql_error($this->dbh) )
{
$this->register_error($str);
$this->show_errors ? trigger_error($str,E_USER_WARNING) : null;
return false;
}
// Query was an insert, delete, update, replace
if ( preg_match("/^(insert|delete|update|replace|truncate|drop|create|alter|set|lock|unlock)\s+/i",$query) )
{
$is_insert = true;
$this->rows_affected = @mysql_affected_rows($this->dbh);
// Take note of the insert_id
if ( preg_match("/^(insert|replace)\s+/i",$query) )
{
$this->insert_id = @mysql_insert_id($this->dbh);
}
// Return number fo rows affected
$return_val = $this->rows_affected;
}
// Query was a select
else
{
$is_insert = false;
// Take note of column info
$i=0;
while ($i < @mysql_num_fields($this->result))
{
$this->col_info[$i] = @mysql_fetch_field($this->result);
$i++;
}
// Store Query Results
$num_rows=0;
while ( $row = @mysql_fetch_object($this->result) )
{
// Store relults as an objects within main array
$this->last_result[$num_rows] = $row;
$num_rows++;
}
@mysql_free_result($this->result);
// Log number of rows the query returned
$this->num_rows = $num_rows;
// Return number of rows selected
$return_val = $this->num_rows;
}
// disk caching of queries
$this->store_cache($query,$is_insert);
// If debug ALL queries
$this->trace || $this->debug_all ? $this->debug() : null ;
// Keep tack of how long all queries have taken
$this->timer_update_global($this->num_queries);
// Trace all queries
if ( $this->use_trace_log )
{
$this->trace_log[] = $this->debug(false);
}
return $return_val;
}
/**********************************************************************
* Close the active mySQL connection
*/
function disconnect()
{
$this->conn_queries = 0; // Reset connection queries count
@mysql_close($this->dbh);
}
}
You can’t perform that action at this time.