Overview
Comment: | Use type hinting and better integration between SQLite3 and PDO |
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Downloads: | Tarball | ZIP archive | SQL archive |
Timelines: | family | ancestors | descendants | both | 7.3 |
Files: | files | file ages | folders |
SHA1: |
48b410159a8f07c43d577087781817f2 |
User & Date: | bohwaz on 2019-12-19 11:36:47 |
Other Links: | branch diff | manifest | tags |
Context
2019-12-19
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11:37 | Update test to reflect changes in DB APIs check-in: 2633233d00 user: bohwaz tags: 7.3 | |
11:36 | Use type hinting and better integration between SQLite3 and PDO check-in: 48b410159a user: bohwaz tags: 7.3 | |
11:36 | ErrorManager: Fix error when line is undefined check-in: 42d3f2583b user: bohwaz tags: 7.3 | |
Changes
Modified src/lib/KD2/DB/DB.php from [dc28970951] to [a9c6080640].
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63 64 65 66 67 68 69 | 'haversine_distance' => [__CLASS__, 'sqlite_haversine'], ]; /** * Class construct, expects a driver configuration * @param array $driver Driver configurtaion */ | | | 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | 'haversine_distance' => [__CLASS__, 'sqlite_haversine'], ]; /** * Class construct, expects a driver configuration * @param array $driver Driver configurtaion */ public function __construct(string $name, array $params) { $driver = (object) [ 'type' => $name, 'url' => null, 'user' => null, 'password' => null, 'options' => [], |
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119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | { if (empty($params['file'])) { throw new \BadMethodCallException('No file parameter passed.'); } $driver->url = 'sqlite:' . $params['file']; } else { throw new \BadMethodCallException('Invalid driver name.'); } $this->driver = $driver; } /** * Connect to the currently defined driver if needed * @return void */ | > > > > | | | 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | { if (empty($params['file'])) { throw new \BadMethodCallException('No file parameter passed.'); } $driver->url = 'sqlite:' . $params['file']; if (isset($params['flags'])) { $driver->options[PDO::SQLITE_ATTR_OPEN_FLAGS] = $params['flags']; } } else { throw new \BadMethodCallException('Invalid driver name.'); } $this->driver = $driver; } /** * Connect to the currently defined driver if needed * @return void */ public function connect(): void { if ($this->pdo) { return; } try { $this->pdo = new PDO($this->driver->url, $this->driver->user, $this->driver->password, $this->driver->options); // Set attributes foreach ($this->pdo_attributes as $attr => $value) |
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172 173 174 175 176 177 178 | { $this->rollback(); } }); } $this->driver->password = '******'; | | < | < | | | > > > > > > > > > | | > > > > > | | | | > | < | | | | 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 | { $this->rollback(); } }); } $this->driver->password = '******'; } public function close(): void { $this->pdo = null; } protected function applyTablePrefix(string $statement): string { if (strpos('__PREFIX__', $statement) !== false) { $statement = preg_replace('/(?<=\s|^)__PREFIX__(?=\w)/', $this->driver->tables_prefix, $statement); } return $statement; } public function query(string $statement) { $this->connect(); $statement = $this->applyTablePrefix($statement); return $this->pdo->query($statement); } /** * Execute an SQL statement and return the number of affected rows * returns the number of rows that were modified or deleted by the SQL statement you issued. If no rows were affected, returns 0. * It may return FALSE, even if the operation completed successfully * * @see https://www.php.net/manual/en/pdo.exec.php * @param string $statement SQL Query * @return bool|int */ public function exec(string $statement) { $this->connect(); $statement = $this->applyTablePrefix($statement); return $this->pdo->exec($statement); } public function execMultiple(string $statement) { $this->connect(); $this->begin(); // Store user-set prepared emulation setting for later if ($this->driver->type == 'mysql') { $emulate = $this->pdo->getAttribute(PDO::ATTR_EMULATE_PREPARES); } try { if ($this->driver->type == 'mysql') { // required to allow multiple queries in same statement $this->pdo->setAttribute(PDO::ATTR_EMULATE_PREPARES, true); $st = $this->prepare($statement); $st->execute(); while ($st->nextRowset()) { // Iterate over rowsets, see https://bugs.php.net/bug.php?id=61613 } $return = $this->commit(); } else { $return = $this->pdo->exec($statement); $this->commit(); } } catch (PDOException $e) { $this->rollBack(); throw $e; } finally { // Restore prepared statement attribute if ($this->driver->type == 'mysql') { $this->pdo->setAttribute(PDO::ATTR_EMULATE_PREPARES, $emulate); } } return $return; } public function createFunction(string $name, callable $callback): bool { if ($this->driver->type != 'sqlite') { throw new \LogicException('This driver does not support functions.'); } if ($this->pdo) { return $this->pdo->sqliteCreateFunction($name, $callback); } else { $this->sqlite_functions[$name] = $callback; return true; } } public function import(string $file) { if (!is_readable($file)) { throw new \RuntimeException(sprintf('Cannot read file %s', $file)); } return $this->execMultiple(file_get_contents($file)); } public function prepare(string $statement, array $driver_options = []) { $this->connect(); $statement = $this->applyTablePrefix($statement); return $this->pdo->prepare($statement, $driver_options); } public function begin() |
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309 310 311 312 313 314 315 | public function rollback() { $this->connect(); return $this->pdo->rollBack(); } | | | > > > > | > > > > > | | 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 | public function rollback() { $this->connect(); return $this->pdo->rollBack(); } public function lastInsertId(string $name = null): string { $this->connect(); return $this->pdo->lastInsertId($name); } public function lastInsertRowId(): string { return $this->lastInsertId(); } /** * Quotes a string for use in a query * @see https://www.php.net/manual/en/pdo.quote.php */ public function quote(string $value, int $parameter_type = PDO::PARAM_STR): string { if ($this->driver->type == 'sqlite') { // PHP quote() is truncating strings on NUL bytes // https://bugs.php.net/bug.php?id=63419 $value = str_replace("\0", '\\0', $value); } $this->connect(); return $this->pdo->quote($value, $parameter_type); } /** * Quotes an identifier (table name or column name) for use in a query * @param string $value Identifier to quote * @return string Quoted identifier */ public function quoteIdentifier(string $value): string { // see https://www.codetinkerer.com/2015/07/08/escaping-column-and-table-names-in-mysql-part2.html if ($this->driver->type == 'mysql') { if (strlen($value) > 64) { throw new \OverflowException('MySQL column or table names cannot be longer than 64 characters.'); |
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362 363 364 365 366 367 368 | } else { return sprintf('"%s"', str_replace('"', '""', $value)); } } | | | 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 | } else { return sprintf('"%s"', str_replace('"', '""', $value)); } } public function preparedQuery(string $query, array $args = []) { assert(is_string($query)); // Only one argument, which is an array: this is an associative array if (isset($args[0]) && is_array($args[0])) { $args = $args[0]; |
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392 393 394 395 396 397 398 | $st = $this->prepare($query); $st->execute($args); return $st; } | | < | < | < | < | | | | | | | | | | | | < | | < | < | | > > > > > | < | | < | < | | > > > > > > > > | | 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 | $st = $this->prepare($query); $st->execute($args); return $st; } public function iterate(string $query, ...$args): iterable { $st = $this->preparedQuery($query, $args); while ($row = $st->fetch()) { yield $row; } unset($st); return; } public function get(string $query, ...$args): array { return $this->preparedQuery($query, $args)->fetchAll(); } public function getAssoc(string $query, ...$args): array { $st = $this->preparedQuery($query, $args); $out = []; while ($row = $st->fetch(PDO::FETCH_NUM)) { $out[$row[0]] = $row[1]; } return $out; } public function getGrouped(string $query, ...$args): array { $st = $this->preparedQuery($query, $args); $out = []; while ($row = $st->fetch(PDO::FETCH_ASSOC)) { $out[current($row)] = (object) $row; } return $out; } /** * Runs a query and returns the first row * @param string $query SQL query * @return object * * Accepts one or more arguments as part of bindings for the statement */ public function first(string $query, ...$args) { $st = $this->preparedQuery($query, $args); return $st->fetch(); } /** * Runs a query and returns the first column * @param string $query SQL query * @return object * * Accepts one or more arguments as part of bindings for the statement */ public function firstColumn(string $query, ...$args) { $st = $this->preparedQuery($query, $args); return $st->fetchColumn(); } /** * Inserts a row in $table, using $fields as data to fill * @param string $table Table où insérer * @param array|object $fields Champs à remplir * @return boolean */ public function insert(string $table, $fields) { assert(is_array($fields) || is_object($fields)); $fields = (array) $fields; $fields_names = array_keys($fields); $query = sprintf('INSERT INTO %s (%s) VALUES (:%s);', $this->quoteIdentifier($table), implode(', ', array_map([$this, 'quoteIdentifier'], $fields_names)), implode(', :', $fields_names)); return $this->preparedQuery($query, $fields); } /** * Updates lines in $table using $fields, selecting using $where * @param string $table Table name * @param array|object $fields List of fields to update * @param string $where Content of the WHERE clause * @param array|object $args Arguments for the WHERE clause * @return boolean */ public function update(string $table, $fields, string $where = null, $args = []) { assert(is_string($table)); assert((is_string($where) && strlen($where)) || is_null($where)); assert(is_array($fields) || is_object($fields)); assert(is_array($args) || is_object($args), 'Arguments for the WHERE clause must be a named array or object'); // Convert to array $fields = (array) $fields; $args = (array) $args; // No fields to update? no need to do a query if (empty($fields)) { return false; } $column_updates = []; foreach ($fields as $key => $value) { if (is_object($value) && $value instanceof \DateTimeInterface) { $value = $value->format('Y-m-d H:i:s'); } // Append to arguments $args['field_' . $key] = $value; $column_updates[] = sprintf('%s = :field_%s', $this->quoteIdentifier($key), $key); } if (is_null($where)) { $where = '1'; } // Final query assembly $column_updates = implode(', ', $column_updates); $query = sprintf('UPDATE %s SET %s WHERE %s;', $this->quoteIdentifier($table), $column_updates, $where); return $this->preparedQuery($query, $args); } /** * Deletes rows from a table * @param string $table Table name * @param string $where WHERE clause * @return boolean * * Accepts one or more arguments as bindings for the WHERE clause. * Warning! If run without a $where argument, will delete all rows from a table! */ public function delete(string $table, string $where, ...$args) { $query = sprintf('DELETE FROM %s WHERE %s;', $table, $where); return $this->preparedQuery($query, $args); } /** * Returns true if the condition from the WHERE clause is valid and a row exists * @param string $table Table name * @param string $where WHERE clause * @return boolean */ public function test(string $table, string $where, ...$args): bool { $query = sprintf('SELECT 1 FROM %s WHERE %s LIMIT 1;', $this->quoteIdentifier($table), $where); return (bool) $this->firstColumn($query, ...$args); } /** * Returns the number of rows in a table according to a WHERE clause * @param string $table Table name * @param string $where WHERE clause * @return integer */ public function count(string $table, string $where, ...$args): int { $query = sprintf('SELECT COUNT(*) FROM %s WHERE %s LIMIT 1;', $this->quoteIdentifier($table), $where); return (int) $this->firstColumn($query, ...$args); } /** * Generate a WHERE clause, can be called as a short notation: * where('id', '42') * or including the comparison operator: * where('id', '>', '42') * It accepts arrays or objects as the value. If no operator is specified, 'IN' is used. * @param string $name Column name * @return string */ public function where(string $name): string { $num_args = func_num_args(); $value = func_get_arg($num_args - 1); if (is_object($value) && $value instanceof \DateTimeInterface) { |
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669 670 671 672 673 674 675 | $value = $value ? 'TRUE' : 'FALSE'; } elseif (is_string($value)) { $value = $this->quote($value); } | | | 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 | $value = $value ? 'TRUE' : 'FALSE'; } elseif (is_string($value)) { $value = $this->quote($value); } return sprintf('%s %s %s', $this->quoteIdentifier($name), $operator, $value); } /** * SQLite search ranking user defined function * Converted from C from SQLite manual: https://www.sqlite.org/fts3.html#appendix_a * @param string $aMatchInfo * @return double Score |
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741 742 743 744 745 746 747 | */ static public function sqlite_haversine() { if (count($geo = array_map('deg2rad', array_filter(func_get_args(), 'is_numeric'))) != 4) { throw new \InvalidArgumentException('4 arguments expected for haversine_distance'); } | | | 769 770 771 772 773 774 775 776 777 778 779 | */ static public function sqlite_haversine() { if (count($geo = array_map('deg2rad', array_filter(func_get_args(), 'is_numeric'))) != 4) { throw new \InvalidArgumentException('4 arguments expected for haversine_distance'); } return round(acos(sin($geo[0]) * sin($geo[2]) + cos($geo[0]) * cos($geo[2]) * cos($geo[1] - $geo[3])) * 6372.8, 3); } } |
Modified src/lib/KD2/DB/SQLite3.php from [6fa30c8b55] to [ce993c515a].
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17 18 19 20 21 22 23 | You should have received a copy of the GNU Affero General Public License along with Foobar. If not, see <https://www.gnu.org/licenses/>. */ /** * DB_SQLite3: a generic wrapper around SQLite3, adding easier access functions | | < < < < < < < < < < < < < < < < < < < | | | > > | > | > > > > | > | | < | < | | | | | 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 | You should have received a copy of the GNU Affero General Public License along with Foobar. If not, see <https://www.gnu.org/licenses/>. */ /** * DB_SQLite3: a generic wrapper around SQLite3, adding easier access functions * Compatible API with DB, but instead of using PDO, uses SQLite3 * * @author bohwaz http://bohwaz.net/ * @license AGPLv3 */ namespace KD2\DB; use PDO; class SQLite3 extends DB { /** * @var SQLite3 */ protected $db; /** * @var boolean */ protected $transaction = false; const DATE_FORMAT = 'Y-m-d H:i:s'; public function close(): void { $this->db->close(); $this->db = null; } public function connect(): void { if ($this->db) { return; } $file = str_replace('sqlite:', '', $this->driver->url); if (isset($this->driver->options[PDO::SQLITE_ATTR_OPEN_FLAGS])) { $flags = $this->driver->options[PDO::SQLITE_ATTR_OPEN_FLAGS]; } else { $flags = \SQLITE3_OPEN_READWRITE | \SQLITE3_OPEN_CREATE; } $this->db = new \SQLite3($file, $flags); $this->db->enableExceptions(true); $this->db->busyTimeout($this->pdo_attributes[PDO::ATTR_TIMEOUT] * 1000); foreach ($this->sqlite_functions as $name => $callback) { $this->db->createFunction($name, $callback); } // Force to rollback any outstanding transaction register_shutdown_function(function () { if ($this->db && $this->inTransaction()) { $this->rollback(); } }); } public function createFunction(string $name, callable $callback): bool { if ($this->db) { return $this->db->createFunction($name, $callback); } else { $this->sqlite_functions[$name] = $callback; return true; } } public function escapeString(string $str): string { // escapeString is not binary safe: https://bugs.php.net/bug.php?id=62361 $str = str_replace("\0", "\\0", $str); return \SQLite3::escapeString($str); } public function quote(string $str, int $parameter_type = 0): string { return '\'' . $this->escapeString($str) . '\''; } public function begin() { if ($this->transaction) |
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166 167 168 169 170 171 172 | $this->connect(); $this->db->exec('ROLLBACK;'); $this->transaction = false; return true; } | | | | 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 | $this->connect(); $this->db->exec('ROLLBACK;'); $this->transaction = false; return true; } public function getArgType(string &$arg, string $name = ''): int { switch (gettype($arg)) { case 'double': return \SQLITE3_FLOAT; case 'integer': case 'boolean': return \SQLITE3_INTEGER; case 'NULL': return \SQLITE3_NULL; case 'string': return \SQLITE3_TEXT; case 'array': if (count($arg) == 2 && in_array($arg[0], [\SQLITE3_FLOAT, \SQLITE3_INTEGER, \SQLITE3_NULL, \SQLITE3_TEXT, \SQLITE3_BLOB])) { $type = $arg[0]; $arg = $arg[1]; return $type; } |
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210 211 212 213 214 215 216 | * @return \SQLite3Stmt|boolean Returns a boolean if the query is writing * to the database, or a statement if it's a read-only query. * * The fact that this method returns a boolean is voluntary, to avoid a bug * in SQLite3/PHP where you can re-run a query by calling fetchResult * on a statement. This could cause double writing. */ | | | 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 | * @return \SQLite3Stmt|boolean Returns a boolean if the query is writing * to the database, or a statement if it's a read-only query. * * The fact that this method returns a boolean is voluntary, to avoid a bug * in SQLite3/PHP where you can re-run a query by calling fetchResult * on a statement. This could cause double writing. */ public function preparedQuery(string $query, array $args = []) { assert(is_string($query)); assert(is_array($args) || is_object($args)); // Forcer en tableau $args = (array) $args; |
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281 282 283 284 285 286 287 | } catch (\Exception $e) { throw new \RuntimeException($e->getMessage() . "\n" . $query . "\n" . json_encode($args, true)); } } | | | | | | | | | | | | | | < | | < | | < | | < | | | | | | | | | | | | | | | | | | | | | | 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 | } catch (\Exception $e) { throw new \RuntimeException($e->getMessage() . "\n" . $query . "\n" . json_encode($args, true)); } } public function query(string $statement) { $this->connect(); $statement = $this->applyTablePrefix($statement); return $this->db->query($statement); } /** * Performs a user SELECT query in the database * * This is meant to allow users to make SELECT statements without altering the database * and staying as safe as possible. * * Warning! There are probably still some ways to extract valuable information * for a hacker. This feature should not be available to all your users! * * @param string $query SQL SELECT query * @return array Rows of the result, as stdClass objects */ public function userSelectStatement(string $statement) { if (preg_match('/;\s*(.+?)$/', $statement)) { throw new \LogicException('Only one single statement can be executed at the same time.'); } // Forbid use of some strings that could allow give hints to an attacker: // PRAGMA, sqlite_version(), sqlite_master table, comments if (preg_match('/PRAGMA\s+|sqlite_version|sqlite_master|--|\/\*|\*\/|load_extension|ATTACH\s+|randomblob|sqlite_compileoption_|sqlite_offset|sqlite_source_|zeroblob|X\'\w|0x\w|sqlite_dbpage|fts3_tokenizer/i', $statement, $match)) { throw new \LogicException('Invalid SQL query.'); } if (!preg_match('/^\s*SELECT\s+/i', $statement)) { $query = 'SELECT ' . $statement; } $st = $this->db->prepare($statement); if (!$st->readOnly()) { throw new \LogicException('Only read-only queries are accepted.'); } return $st; } public function userSelectGet(string $statement): array { $st = $this->userSelectStatement($statement); $res = $st->execute(); $out = []; while ($row = $res->fetchArray(\SQLITE3_ASSOC)) { $out[] = (object) $row; } return $out; } public function iterate(string $statement, ...$args): iterable { $res = $this->preparedQuery($statement, $args); while ($row = $res->fetchArray(\SQLITE3_ASSOC)) { yield (object) $row; } unset($res); return; } public function get(string $statement, ...$args): array { $res = $this->preparedQuery($statement, $args); $out = []; while ($row = $res->fetchArray(\SQLITE3_ASSOC)) { $out[] = (object) $row; } return $out; } public function getAssoc(string $statement, ...$args): array { $res = $this->preparedQuery($statement, $args); $out = []; while ($row = $res->fetchArray(\SQLITE3_NUM)) { $out[$row[0]] = $row[1]; } return $out; } public function getGrouped(string $statement, ...$args): array { $res = $this->preparedQuery($statement, $args); $out = []; while ($row = $res->fetchArray(\SQLITE3_ASSOC)) { $out[current($row)] = (object) $row; } return $out; } /** * Executes multiple queries in a transaction */ public function execMultiple(string $statement) { $this->begin(); try { $statement = $this->applyTablePrefix($statement); $this->db->exec($statement); } catch (\Exception $e) { $this->rollback(); throw $e; } return $this->commit(); } public function exec(string $statement) { $this->connect(); $query = $this->applyTablePrefix($statement); return $this->db->exec($statement); } /** * Runs a query and returns the first row from the result * @param string $query * @return object|bool * * Accepts one or more arguments for the prepared query */ public function first(string $query, ...$args) { $res = $this->preparedQuery($query, $args); $row = $res->fetchArray(\SQLITE3_ASSOC); $res->finalize(); return is_array($row) ? (object) $row : false; } /** * Runs a query and returns the first column of the first row of the result * @param string $query * @return object * * Accepts one or more arguments for the prepared query */ public function firstColumn(string $query, ...$args) { $res = $this->preparedQuery($query, $args); $row = $res->fetchArray(\SQLITE3_NUM); return (is_array($row) && count($row) > 0) ? $row[0] : false; } public function countRows(\SQLite3Result $result): int { $i = 0; while ($result->fetchArray(\SQLITE3_NUM)) { $i++; } $result->reset(); return $i; } public function lastInsertId($name = null): string { return $this->db->lastInsertRowId(); } public function lastInsertRowId(): string { return $this->db->lastInsertRowId(); } public function prepare(string $statement, array $driver_options = []) { $query = $this->applyTablePrefix($statement); return $this->db->prepare($statement); } public function openBlob(string $table, string $column, int $rowid, string $dbname = 'main', int $flags = \SQLITE3_OPEN_READONLY): resource { if (\PHP_VERSION_ID >= 70200) { return $this->db->openBlob($table, $column, $rowid, $dbname, $flags); } else { if ($flags != \SQLITE3_OPEN_READONLY) { throw new \Exception('Cannot open blob with read/write. Only available from PHP 7.2.0'); } return $this->db->openBlob($table, $column, $rowid, $dbname); } } static public function getDatabaseDetailsFromString(string $source_string): array { if (substr($source_string, 0, 16) !== "SQLite format 3\0" || strlen($source_string) < 100) { return null; } $user_version = bin2hex(substr($source_string, 60, 4)); $application_id = bin2hex(substr($source_string, 68, 4)); |
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