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0337d704 | 1 | <?php |
2 | /*************************************************************************** | |
2ab75571 | 3 | * Copyright (C) 2003-2010 Polytechnique.org * |
0337d704 | 4 | * http://opensource.polytechnique.org/ * |
5 | * * | |
6 | * This program is free software; you can redistribute it and/or modify * | |
7 | * it under the terms of the GNU General Public License as published by * | |
8 | * the Free Software Foundation; either version 2 of the License, or * | |
9 | * (at your option) any later version. * | |
10 | * * | |
11 | * This program is distributed in the hope that it will be useful, * | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
14 | * GNU General Public License for more details. * | |
15 | * * | |
16 | * You should have received a copy of the GNU General Public License * | |
17 | * along with this program; if not, write to the Free Software * | |
18 | * Foundation, Inc., * | |
19 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * | |
20 | **************************************************************************/ | |
21 | ||
08cce2ff | 22 | class XDB |
0337d704 | 23 | { |
32d9ae72 | 24 | private static $mysqli = null; |
25 | ||
821744e0 | 26 | public static function connect() |
32d9ae72 | 27 | { |
821744e0 | 28 | global $globals; |
e4f6c7d0 | 29 | self::$mysqli = new mysqli($globals->dbhost, $globals->dbuser, $globals->dbpwd, $globals->dbdb); |
81e9c63f | 30 | if ($globals->debug & DEBUG_BT) { |
d3f26be9 | 31 | $bt = new PlBacktrace('MySQL'); |
32 | if (mysqli_connect_errno()) { | |
33 | $bt->newEvent("MySQLI connection", 0, mysqli_connect_error()); | |
34 | return false; | |
35 | } | |
32d9ae72 | 36 | } |
e4f6c7d0 FB |
37 | self::$mysqli->autocommit(true); |
38 | self::$mysqli->set_charset($globals->dbcharset); | |
32d9ae72 | 39 | return true; |
40 | } | |
f1ca33de | 41 | |
cd1d4b4f | 42 | public static function prepare($args) |
ed3f4d3e | 43 | { |
4d6eeacc | 44 | global $globals; |
f62bd784 | 45 | $query = array_map(Array('XDB', 'escape'), $args); |
f3e3cab8 | 46 | $query[0] = preg_replace('/#([a-z0-9]+)#/', $globals->dbprefix . '$1', $args[0]); |
4d6eeacc VZ |
47 | $query[0] = str_replace('%', '%%', $query[0]); |
48 | $query[0] = str_replace('{?}', '%s', $query[0]); | |
0337d704 | 49 | return call_user_func_array('sprintf', $query); |
50 | } | |
13a25546 | 51 | |
cd1d4b4f | 52 | public static function reformatQuery($query) |
7c571120 | 53 | { |
a4f89886 | 54 | $query = preg_split("/\n\\s*/", trim($query)); |
7c571120 | 55 | $length = 0; |
d3c52d30 | 56 | foreach ($query as $key=>$line) { |
57 | $local = -2; | |
a14159bf | 58 | if (preg_match('/^([A-Z]+(?:\s+(?:JOIN|BY|FROM|INTO))?)\s+(.*)/u', $line, $matches) |
85d3b330 | 59 | && $matches[1] != 'AND' && $matches[1] != 'OR') |
60 | { | |
d3c52d30 | 61 | $local = strlen($matches[1]); |
62 | $line = $matches[1] . ' ' . $matches[2]; | |
63 | $length = max($length, $local); | |
7c571120 | 64 | } |
d3c52d30 | 65 | $query[$key] = array($line, $local); |
7c571120 | 66 | } |
67 | $res = ''; | |
d3c52d30 | 68 | foreach ($query as $array) { |
69 | list($line, $local) = $array; | |
9630c649 | 70 | $local = max(0, $length - $local); |
7c571120 | 71 | $res .= str_repeat(' ', $local) . $line . "\n"; |
72 | $length += 2 * (substr_count($line, '(') - substr_count($line, ')')); | |
73 | } | |
74 | return $res; | |
75 | } | |
76 | ||
cd1d4b4f | 77 | public static function run($query) |
ed3f4d3e | 78 | { |
f1ca33de | 79 | global $globals; |
80 | ||
e4f6c7d0 | 81 | if (!self::$mysqli && !self::connect()) { |
12ccfec7 | 82 | header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error'); |
084a60da FB |
83 | Platal::page()->kill('Impossible de se connecter à la base de données.'); |
84 | exit; | |
821744e0 | 85 | } |
86 | ||
81e9c63f | 87 | if ($globals->debug & DEBUG_BT) { |
f1ca33de | 88 | $explain = array(); |
e49b22c0 | 89 | if (strpos($query, 'FOUND_ROWS()') === false && strpos($query, 'AUTOCOMMIT') === false) { |
e4f6c7d0 | 90 | $res = self::$mysqli->query("EXPLAIN $query"); |
32d9ae72 | 91 | if ($res) { |
92 | while ($row = $res->fetch_assoc()) { | |
5fb22b39 | 93 | $explain[] = $row; |
94 | } | |
32d9ae72 | 95 | $res->free(); |
5fb22b39 | 96 | } |
f1ca33de | 97 | } |
cd1d4b4f | 98 | PlBacktrace::$bt['MySQL']->start(XDB::reformatQuery($query)); |
f1ca33de | 99 | } |
100 | ||
32d9ae72 | 101 | $res = XDB::$mysqli->query($query); |
0381e170 | 102 | |
81e9c63f | 103 | if ($globals->debug & DEBUG_BT) { |
e4f6c7d0 FB |
104 | PlBacktrace::$bt['MySQL']->stop(@$res->num_rows ? $res->num_rows : self::$mysqli->affected_rows, |
105 | self::$mysqli->error, | |
d3f26be9 | 106 | $explain); |
f1ca33de | 107 | } |
084a60da FB |
108 | |
109 | if ($res === false) { | |
cd1d4b4f | 110 | throw new XDBException(XDB::reformatQuery($query), XDB::$mysqli->error); |
084a60da | 111 | } |
f1ca33de | 112 | return $res; |
113 | } | |
114 | ||
e4f6c7d0 FB |
115 | private static function queryv($query) |
116 | { | |
cd1d4b4f | 117 | return new XDBResult(self::prepare($query)); |
e4f6c7d0 FB |
118 | } |
119 | ||
6995a9b9 | 120 | public static function query() |
0337d704 | 121 | { |
e4f6c7d0 | 122 | return self::queryv(func_get_args()); |
0337d704 | 123 | } |
124 | ||
4c455d70 FB |
125 | public static function rawQuery($query) |
126 | { | |
127 | return new XDBResult($query); | |
128 | } | |
129 | ||
20973bf8 FB |
130 | public static function format() |
131 | { | |
cd1d4b4f | 132 | return self::prepare(func_get_args()); |
20973bf8 FB |
133 | } |
134 | ||
0ef5bd4b FB |
135 | // Produce the SQL statement for setting/unsetting a flag |
136 | public static function changeFlag($fieldname, $flagname, $state) | |
137 | { | |
138 | if ($state) { | |
139 | return XDB::format($fieldname . ' = CONCAT({?}, \',\', ' . $fieldname . ')', $flagname); | |
140 | } else { | |
141 | return XDB::format($fieldname . ' = REPLACE(' . $fieldname . ', {?}, \'\')', $flagname); | |
142 | } | |
143 | } | |
144 | ||
145 | // Produce the SQL statement representing an array | |
146 | public static function formatArray(array $array) | |
147 | { | |
e677bc13 | 148 | return self::escape($array); |
0ef5bd4b FB |
149 | } |
150 | ||
adf947ff RB |
151 | const WILDCARD_EXACT = 0x00; |
152 | const WILDCARD_PREFIX = 0x01; | |
153 | const WILDCARD_SUFFIX = 0x02; | |
154 | const WILDCARD_CONTAINS = 0x03; // WILDCARD_PREFIX | WILDCARD_SUFFIX | |
155 | ||
cd1d4b4f FB |
156 | // Produce a valid XDB argument that get formatted as a wildcard |
157 | // according to the given mode. | |
158 | // | |
159 | // Example: | |
160 | // XDB::query("SELECT * FROM table WHERE field {?}", XDB::wildcard($text, WILDCARD_EXACT)); | |
161 | public static function wildcard($mode, $value) | |
162 | { | |
163 | return new XDBWildcard($value, $mode); | |
164 | } | |
165 | ||
adf947ff RB |
166 | // Returns the SQL statement for a wildcard search. |
167 | public static function formatWildcards($mode, $text) | |
168 | { | |
cd1d4b4f | 169 | return XDB::wildcard($mode, $text)->format(); |
adf947ff RB |
170 | } |
171 | ||
47595f9a RB |
172 | // Returns a FIELD(blah, 3, 1, 2) for use in an order with custom orders |
173 | public static function formatCustomOrder($field, $values) | |
174 | { | |
29bd16df | 175 | return 'FIELD( ' . $field . ', ' . implode(', ', array_map(array('XDB', 'escape'), $values)) . ')'; |
47595f9a RB |
176 | } |
177 | ||
6995a9b9 | 178 | public static function execute() |
f1ca33de | 179 | { |
fe556813 FB |
180 | global $globals; |
181 | $args = func_get_args(); | |
182 | if ($globals->mode != 'rw' && !strpos($args[0], 'logger')) { | |
183 | return; | |
184 | } | |
cd1d4b4f | 185 | return self::run(XDB::prepare($args)); |
0337d704 | 186 | } |
13a25546 | 187 | |
4c455d70 FB |
188 | public static function rawExecute($query) |
189 | { | |
190 | global $globals; | |
191 | if ($globals->mode != 'rw') { | |
192 | return; | |
193 | } | |
194 | return self::run($query); | |
195 | } | |
196 | ||
e49b22c0 FB |
197 | public static function startTransaction() |
198 | { | |
199 | self::rawExecute('SET AUTOCOMMIT = 0'); | |
200 | self::rawExecute('START TRANSACTION'); | |
201 | } | |
202 | ||
203 | public static function commit() | |
204 | { | |
205 | self::rawExecute('COMMIT'); | |
206 | self::rawExecute('SET AUTOCOMMIT = 1'); | |
207 | } | |
208 | ||
209 | public static function rollback() | |
210 | { | |
211 | self::rawExecute('ROLLBACK'); | |
212 | self::rawExecute('SET AUTOCOMMIT = 1'); | |
213 | } | |
214 | ||
6995a9b9 | 215 | public static function iterator() |
0337d704 | 216 | { |
cd1d4b4f | 217 | return new XDBIterator(self::prepare(func_get_args())); |
0337d704 | 218 | } |
13a25546 | 219 | |
4c455d70 FB |
220 | public static function rawIterator($query) |
221 | { | |
222 | return new XDBIterator($query); | |
223 | } | |
224 | ||
6995a9b9 | 225 | public static function iterRow() |
0337d704 | 226 | { |
cd1d4b4f | 227 | return new XDBIterator(self::prepare(func_get_args()), MYSQL_NUM); |
e4f6c7d0 FB |
228 | } |
229 | ||
4c455d70 FB |
230 | public static function rawIterRow($query) |
231 | { | |
232 | return new XDBIterator($query, MYSQL_NUM); | |
233 | } | |
234 | ||
e4f6c7d0 FB |
235 | private static function findQuery($params, $default = array()) |
236 | { | |
237 | for ($i = 0 ; $i < count($default) ; ++$i) { | |
238 | $is_query = false; | |
239 | foreach (array('insert', 'select', 'replace', 'delete', 'update') as $kwd) { | |
240 | if (stripos($params[0], $kwd) !== false) { | |
241 | $is_query = true; | |
242 | break; | |
243 | } | |
244 | } | |
245 | if ($is_query) { | |
246 | break; | |
247 | } else { | |
248 | $default[$i] = array_shift($params); | |
249 | } | |
250 | } | |
251 | return array($default, $params); | |
252 | } | |
253 | ||
254 | /** Fetch all rows returned by the given query. | |
cd1d4b4f | 255 | * This functions can take 2 optional arguments (cf XDBResult::fetchAllRow()). |
e4f6c7d0 FB |
256 | * Optional arguments are given *before* the query. |
257 | */ | |
258 | public static function fetchAllRow() | |
259 | { | |
260 | list($args, $query) = self::findQuery(func_get_args(), array(false, false)); | |
261 | return self::queryv($query)->fetchAllRow($args[0], $args[1]); | |
262 | } | |
263 | ||
dec6c3bd FB |
264 | public static function rawFetchAllRow($query, $id = false, $keep_array = false) |
265 | { | |
266 | return self::rawQuery($query)->fetchAllRow($id, $keep_array); | |
267 | } | |
268 | ||
e4f6c7d0 | 269 | /** Fetch all rows returned by the given query. |
cd1d4b4f | 270 | * This functions can take 2 optional arguments (cf XDBResult::fetchAllAssoc()). |
e4f6c7d0 FB |
271 | * Optional arguments are given *before* the query. |
272 | */ | |
273 | public static function fetchAllAssoc() | |
274 | { | |
275 | list($args, $query) = self::findQuery(func_get_args(), array(false, false)); | |
276 | return self::queryv($query)->fetchAllAssoc($args[0], $args[1]); | |
277 | } | |
278 | ||
dec6c3bd FB |
279 | public static function rawFetchAllAssoc($query, $id = false, $keep_array = false) |
280 | { | |
281 | return self::rawQuery($query)->fetchAllAssoc($id, $keep_array); | |
282 | } | |
283 | ||
e4f6c7d0 FB |
284 | public static function fetchOneCell() |
285 | { | |
286 | list($args, $query) = self::findQuery(func_get_args()); | |
287 | return self::queryv($query)->fetchOneCell(); | |
288 | } | |
289 | ||
dec6c3bd FB |
290 | public static function rawFetchOneCell($query) |
291 | { | |
292 | return self::rawQuery($query)->fetchOneCell(); | |
293 | } | |
294 | ||
e4f6c7d0 FB |
295 | public static function fetchOneRow() |
296 | { | |
297 | list($args, $query) = self::findQuery(func_get_args()); | |
298 | return self::queryv($query)->fetchOneRow(); | |
299 | } | |
300 | ||
dec6c3bd FB |
301 | public static function rawFetchOneRow($query) |
302 | { | |
303 | return self::rawQuery($query)->fetchOneRow(); | |
304 | } | |
305 | ||
e4f6c7d0 FB |
306 | public static function fetchOneAssoc() |
307 | { | |
308 | list($args, $query) = self::findQuery(func_get_args()); | |
309 | return self::queryv($query)->fetchOneAssoc(); | |
310 | } | |
311 | ||
dec6c3bd FB |
312 | public static function rawFetchOneAssoc($query) |
313 | { | |
314 | return self::rawQuery($query)->fetchOneAssoc(); | |
315 | } | |
316 | ||
e4f6c7d0 | 317 | /** Fetch a column from the result of the given query. |
cd1d4b4f | 318 | * This functions can take 1 optional arguments (cf XDBResult::fetchColumn()). |
e4f6c7d0 FB |
319 | * Optional arguments are given *before* the query. |
320 | */ | |
321 | public static function fetchColumn() | |
322 | { | |
323 | list($args, $query) = self::findQuery(func_get_args(), array(0)); | |
dec6c3bd FB |
324 | return self::queryv($query)->fetchColumn($args[0]); |
325 | } | |
326 | ||
327 | public static function rawFetchColumn($query, $key = 0) | |
328 | { | |
329 | return self::rawQuery($query)->fetchColumn($key); | |
0337d704 | 330 | } |
13a25546 | 331 | |
6995a9b9 | 332 | public static function insertId() |
13a25546 | 333 | { |
e4f6c7d0 | 334 | return self::$mysqli->insert_id; |
13a25546 | 335 | } |
336 | ||
0380bf85 | 337 | public static function errno() |
338 | { | |
e4f6c7d0 | 339 | return self::$mysqli->errno; |
0380bf85 | 340 | } |
341 | ||
342 | public static function error() | |
834fd0f6 | 343 | { |
e4f6c7d0 | 344 | return self::$mysqli->error; |
0380bf85 | 345 | } |
346 | ||
347 | public static function affectedRows() | |
348 | { | |
e4f6c7d0 | 349 | return self::$mysqli->affected_rows; |
0380bf85 | 350 | } |
351 | ||
f62bd784 | 352 | public static function escape($var) |
0337d704 | 353 | { |
354 | switch (gettype($var)) { | |
13a25546 | 355 | case 'boolean': |
356 | return $var ? 1 : 0; | |
357 | ||
358 | case 'integer': | |
359 | case 'double': | |
360 | case 'float': | |
361 | return $var; | |
362 | ||
363 | case 'string': | |
364 | return "'".addslashes($var)."'"; | |
365 | ||
366 | case 'NULL': | |
367 | return 'NULL'; | |
368 | ||
369 | case 'object': | |
cd1d4b4f FB |
370 | if ($var instanceof XDBFormat) { |
371 | return $var->format(); | |
e677bc13 FB |
372 | } else { |
373 | return "'".addslashes(serialize($var))."'"; | |
04c1b2eb | 374 | } |
e677bc13 | 375 | |
13a25546 | 376 | case 'array': |
e677bc13 | 377 | return '(' . implode(', ', array_map(array('XDB', 'escape'), $var)) . ')'; |
13a25546 | 378 | |
379 | default: | |
380 | die(var_export($var, true).' is not a valid for a database entry'); | |
0337d704 | 381 | } |
382 | } | |
0337d704 | 383 | } |
384 | ||
cd1d4b4f | 385 | class XDBException extends PlException |
0337d704 | 386 | { |
cd1d4b4f FB |
387 | public function __construct($query, $error) |
388 | { | |
389 | if (strpos($query, 'INSERT') === false && strpos($query, 'UPDATE') === false | |
390 | && strpos($query, 'REPLACE') === false && strpos($query, 'DELETE') === false) { | |
391 | $text = 'Erreur lors de l\'interrogation de la base de données'; | |
392 | } else { | |
393 | $text = 'Erreur lors de l\'écriture dans la base de données'; | |
394 | } | |
395 | parent::__construct($text, $query . "\n" . $error); | |
396 | } | |
397 | } | |
398 | ||
399 | interface XDBFormat | |
400 | { | |
401 | public function format(); | |
402 | } | |
0337d704 | 403 | |
cd1d4b4f FB |
404 | class XDBWildcard implements XDBFormat |
405 | { | |
406 | private $value; | |
407 | private $mode; | |
408 | ||
409 | public function __construct($value, $mode) | |
410 | { | |
411 | $this->value = $value; | |
412 | $this->mode = $mode; | |
413 | } | |
414 | ||
415 | public function format() | |
416 | { | |
417 | if ($this->mode == XDB::WILDCARD_EXACT) { | |
418 | return XDB::format(' = {?}', $this->value); | |
419 | } else { | |
420 | $text = str_replace(array('%', '_'), array('\%', '\_'), $this->value); | |
421 | if ($this->mode & XDB::WILDCARD_PREFIX) { | |
422 | $text = $text . '%'; | |
423 | } | |
424 | if ($this->mode & XDB::WILDCARD_SUFFIX) { | |
425 | $text = '%' . $text; | |
426 | } | |
427 | return XDB::format(" LIKE {?}", $text); | |
428 | } | |
429 | } | |
430 | } | |
431 | ||
432 | ||
433 | class XDBResult | |
434 | { | |
435 | private $res; | |
0337d704 | 436 | |
0381e170 | 437 | public function __construct($query) |
0337d704 | 438 | { |
cd1d4b4f | 439 | $this->res = XDB::run($query); |
0337d704 | 440 | } |
441 | ||
0381e170 | 442 | public function free() |
0337d704 | 443 | { |
cd1d4b4f FB |
444 | if ($this->res) { |
445 | $this->res->free(); | |
0381e170 | 446 | } |
0337d704 | 447 | unset($this); |
448 | } | |
449 | ||
cd1d4b4f | 450 | protected function fetchRow() |
0337d704 | 451 | { |
cd1d4b4f | 452 | return $this->res ? $this->res->fetch_row() : null; |
0337d704 | 453 | } |
454 | ||
cd1d4b4f | 455 | protected function fetchAssoc() |
0337d704 | 456 | { |
cd1d4b4f | 457 | return $this->res ? $this->res->fetch_assoc() : null; |
0337d704 | 458 | } |
459 | ||
e4f6c7d0 | 460 | public function fetchAllRow($id = false, $keep_array = false) |
0337d704 | 461 | { |
462 | $result = Array(); | |
cd1d4b4f | 463 | if (!$this->res) { |
0381e170 | 464 | return $result; |
465 | } | |
cd1d4b4f | 466 | while (($data = $this->res->fetch_row())) { |
e4f6c7d0 FB |
467 | if ($id !== false) { |
468 | $key = $data[$id]; | |
469 | unset($data[$id]); | |
470 | if (!$keep_array && count($data) == 1) { | |
471 | reset($data); | |
472 | $result[$key] = current($data); | |
473 | } else { | |
474 | $result[$key] = $data; | |
475 | } | |
476 | } else { | |
477 | $result[] = $data; | |
478 | } | |
479 | } | |
0337d704 | 480 | $this->free(); |
481 | return $result; | |
482 | } | |
483 | ||
e4f6c7d0 | 484 | public function fetchAllAssoc($id = false, $keep_array = false) |
0337d704 | 485 | { |
486 | $result = Array(); | |
cd1d4b4f | 487 | if (!$this->res) { |
0381e170 | 488 | return $result; |
489 | } | |
cd1d4b4f | 490 | while (($data = $this->res->fetch_assoc())) { |
e4f6c7d0 FB |
491 | if ($id !== false) { |
492 | $key = $data[$id]; | |
493 | unset($data[$id]); | |
494 | if (!$keep_array && count($data) == 1) { | |
495 | reset($data); | |
496 | $result[$key] = current($data); | |
497 | } else { | |
498 | $result[$key] = $data; | |
499 | } | |
500 | } else { | |
501 | $result[] = $data; | |
502 | } | |
503 | } | |
0337d704 | 504 | $this->free(); |
505 | return $result; | |
506 | } | |
507 | ||
0381e170 | 508 | public function fetchOneAssoc() |
0337d704 | 509 | { |
cd1d4b4f | 510 | $tmp = $this->fetchAssoc(); |
0337d704 | 511 | $this->free(); |
512 | return $tmp; | |
513 | } | |
514 | ||
0381e170 | 515 | public function fetchOneRow() |
0337d704 | 516 | { |
cd1d4b4f | 517 | $tmp = $this->fetchRow(); |
0337d704 | 518 | $this->free(); |
519 | return $tmp; | |
520 | } | |
521 | ||
0381e170 | 522 | public function fetchOneCell() |
0337d704 | 523 | { |
cd1d4b4f | 524 | $tmp = $this->fetchRow(); |
0337d704 | 525 | $this->free(); |
526 | return $tmp[0]; | |
527 | } | |
528 | ||
0381e170 | 529 | public function fetchColumn($key = 0) |
0337d704 | 530 | { |
531 | $res = Array(); | |
532 | if (is_numeric($key)) { | |
cd1d4b4f | 533 | while($tmp = $this->fetchRow()) { |
0337d704 | 534 | $res[] = $tmp[$key]; |
535 | } | |
536 | } else { | |
cd1d4b4f | 537 | while($tmp = $this->fetchAssoc()) { |
0337d704 | 538 | $res[] = $tmp[$key]; |
539 | } | |
540 | } | |
541 | $this->free(); | |
542 | return $res; | |
543 | } | |
544 | ||
0381e170 | 545 | public function fetchOneField() |
0380bf85 | 546 | { |
cd1d4b4f | 547 | return $this->res ? $this->res->fetch_field() : null; |
0380bf85 | 548 | } |
549 | ||
0381e170 | 550 | public function fetchFields() |
0380bf85 | 551 | { |
552 | $res = array(); | |
553 | while ($res[] = $this->fetchOneField()); | |
554 | return $res; | |
555 | } | |
556 | ||
0381e170 | 557 | public function numRows() |
0337d704 | 558 | { |
cd1d4b4f | 559 | return $this->res ? $this->res->num_rows : 0; |
0337d704 | 560 | } |
0380bf85 | 561 | |
0381e170 | 562 | public function fieldCount() |
0380bf85 | 563 | { |
cd1d4b4f | 564 | return $this->res ? $this->res->field_count : 0; |
0380bf85 | 565 | } |
0337d704 | 566 | } |
567 | ||
2b1ee50b | 568 | |
cd1d4b4f | 569 | class XDBIterator extends XDBResult implements PlIterator |
0337d704 | 570 | { |
cd1d4b4f FB |
571 | private $result; |
572 | private $pos; | |
573 | private $total; | |
574 | private $fpos; | |
575 | private $fields; | |
576 | private $mode = MYSQL_ASSOC; | |
0337d704 | 577 | |
0381e170 | 578 | public function __construct($query, $mode = MYSQL_ASSOC) |
0337d704 | 579 | { |
0381e170 | 580 | parent::__construct($query); |
cd1d4b4f FB |
581 | $this->pos = 0; |
582 | $this->total = $this->numRows(); | |
583 | $this->fpost = 0; | |
584 | $this->fields = $this->fieldCount(); | |
585 | $this->mode = $mode; | |
0337d704 | 586 | } |
587 | ||
0381e170 | 588 | public function next() |
0337d704 | 589 | { |
cd1d4b4f FB |
590 | $this->pos ++; |
591 | if ($this->pos > $this->total) { | |
0381e170 | 592 | $this->free(); |
0337d704 | 593 | unset($this); |
594 | return null; | |
595 | } | |
cd1d4b4f | 596 | return $this->mode != MYSQL_ASSOC ? $this->fetchRow() : $this->fetchAssoc(); |
0337d704 | 597 | } |
598 | ||
0381e170 | 599 | public function first() |
0337d704 | 600 | { |
cd1d4b4f | 601 | return $this->pos == 1; |
0337d704 | 602 | } |
603 | ||
0381e170 | 604 | public function last() |
0337d704 | 605 | { |
cd1d4b4f | 606 | return $this->pos == $this->total; |
0337d704 | 607 | } |
608 | ||
0381e170 | 609 | public function total() |
0337d704 | 610 | { |
cd1d4b4f | 611 | return $this->total; |
0337d704 | 612 | } |
0380bf85 | 613 | |
0381e170 | 614 | public function nextField() |
0380bf85 | 615 | { |
cd1d4b4f FB |
616 | $this->fpos++; |
617 | if ($this->fpos > $this->fields) { | |
0380bf85 | 618 | return null; |
619 | } | |
0381e170 | 620 | return $this->fetchOneField(); |
0380bf85 | 621 | } |
622 | ||
0381e170 | 623 | public function firstField() |
0380bf85 | 624 | { |
cd1d4b4f | 625 | return $this->fpos == 1; |
0380bf85 | 626 | } |
627 | ||
0381e170 | 628 | public function lastField() |
0380bf85 | 629 | { |
cd1d4b4f | 630 | return $this->fpos == $this->fields; |
0380bf85 | 631 | } |
632 | ||
0381e170 | 633 | public function totalFields() |
0380bf85 | 634 | { |
cd1d4b4f | 635 | return $this->fields; |
0380bf85 | 636 | } |
0337d704 | 637 | } |
638 | ||
a7de4ef7 | 639 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
0337d704 | 640 | ?> |