欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  后端开发

php实现的mongodb操作类实例_PHP教程

程序员文章站 2022-04-15 21:49:29
...

php实现的mongodb操作类实例

本文实例讲述了php实现的mongodb操作类。分享给大家供大家参考。具体如下:

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

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

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

624

625

626

627

628

629

630

631

632

633

634

635

636

637

638

639

640

641

642

643

644

645

646

647

648

649

650

651

652

653

654

655

656

657

658

659

660

661

662

663

664

665

666

667

668

669

670

671

672

673

674

675

676

677

678

679

680

681

682

683

684

685

686

687

688

689

690

691

692

693

694

695

696

697

698

699

700

701

702

703

704

705

706

707

708

709

710

711

712

713

714

715

716

717

718

719

720

721

722

723

724

725

726

727

728

729

730

731

732

733

734

735

736

737

738

739

740

741

742

743

744

745

746

747

748

749

750

751

752

753

754

755

756

757

758

759

760

761

762

763

764

765

766

767

768

769

770

771

772

773

774

775

/*

* To change this template, choose Tools | Templates

* and open the template in the editor.

*/

class mongo_db {

private $config;

private $connection;

private $db;

private $connection_string;

private $host;

private $port;

private $user;

private $pass;

private $dbname;

private $persist;

private $persist_key;

private $selects = array();

private $wheres = array();

private $sorts = array();

private $limit = 999999;

private $offset = 0;

private $timeout = 200;

private $key = 0;

/**

*

* CONSTRUCTOR *

*

* Automatically check if the Mongo PECL extension has been

installed/enabled.

* Generate the connection string and establish a connection

to the MongoDB.

*/

public function __construct() {

if((IS_NOSQL != 1)){

return;

}

if (!class_exists('Mongo')) {

//$this->error("The MongoDB PECL extension has not been installed or enabled", 500);

}

$configs =wxcity_base::load_config("cache","mongo_db");

$num = count($configs['connect']);

$this->timeout = trim($configs['timeout']);

$keys = wxcity_base::load_config('double');

$this->key = $keys['mongo_db'];

$this->config = $configs['connect'][$this->key];

$status = $this->connect();

if($status == false)

{

for($i = 1; $i

{

$n = $this->key + $i;

$key = $n >= $num ? $n - $num : $n;

$this->config = $configs['connect'][$key];

$status = $this->connect();

if($status!=false)

{

$keys['mongo_db'] = $key ;

$this->key = $key;

$data = "";

file_put_contents(WHTY_PATH.'configs/double.php', $data, LOCK_EX);

break;

}

}

}

if($status==false)

{

die('mongoDB not connect');

}

}

function __destruct() {

if((IS_NOSQL != 1)){

return;

}

if($this->connection)

{

$this->connection->close();

}

}

/**

*

* CONNECT TO MONGODB *

*

* Establish a connection to MongoDB using

the connection string generated in

* the connection_string() method.

If 'mongo_persist_key' was set to true in the

* config file, establish a persistent connection.

We allow for only the 'persist'

* option to be set because we want to

establish a connection immediately.

*/

private function connect() {

$this->connection_string();

$options = array('connect'=>true,'timeout'=>$this->timeout);

try {

$this->connection = new Mongo($this->connection_string, $options);

$this->db = $this->connection->{$this->dbname};

return($this);

} catch (MongoConnectionException $e) {

return false;

}

}

/**

*

* BUILD CONNECTION STRING *

*

* Build the connection string from the config file.

*/

private function connection_string() {

$this->host = trim($this->config['hostname']);

$this->port = trim($this->config['port']);

$this->user = trim($this->config['username']);

$this->pass = trim($this->config['password']);

$this->dbname = trim($this->config['database']);

$this->persist = trim($this->config['autoconnect']);

$this->persist_key = trim($this->config['mongo_persist_key']);

$connection_string = "mongodb://";

if (emptyempty($this->host)) {

$this->error("The Host must be set to connect to MongoDB", 500);

} if (emptyempty($this->dbname)) {

$this->error("The Database must be set to connect to MongoDB", 500);

} if (!emptyempty($this->user) && !emptyempty($this->pass)) {

$connection_string .= "{$this->user}:{$this->pass}@";

} if (isset($this->port) && !emptyempty($this->port)) {

$connection_string .= "{$this->host}:{$this->port}";

} else {

$connection_string .= "{$this->host}";

} $this->connection_string = trim($connection_string);

}

/**

*

* Switch_db *

*

* Switch from default database to a different db

*/

public function switch_db($database = '') {

if (emptyempty($database)) {

$this->error("To switch MongoDB databases, a new database name must be specified", 500);

} $this->dbname = $database;

try {

$this->db = $this->connection->{$this->dbname};

return(TRUE);

} catch (Exception $e) {

$this->error("Unable to switch Mongo Databases: {$e->getMessage()}", 500);

}

}

/**

*

* SELECT FIELDS *

*

* Determine which fields to include OR which to

exclude during the query process.

* Currently, including and excluding at

the same time is not available, so the

* $includes array will take precedence over

the $excludes array.

If you want to

* only choose fields to exclude,

leave $includes an empty array().

*

* @usage: $this->mongo_db->select(array('foo', 'bar'))->get('foobar');

*/

public function select($includes = array(), $excludes = array()) {

if (!is_array($includes)) {

$includes = array();

}

if (!is_array($excludes)) {

$excludes = array();

}

if (!emptyempty($includes)) {

foreach ($includes as $col) {

$this->selects[$col] = 1;

}

} else {

foreach ($excludes as $col) {

$this->selects[$col] = 0;

}

} return($this);

}

/**

*

* WHERE PARAMETERS *

*

* Get the documents based on these

search parameters. The $wheres array should

* be an associative array with the field

as the key and the value as the search

* criteria. *

* @usage = $this->mongo_db->where(array('foo' => 'bar'))->get('foobar');

*/

public function where($wheres = array()) {

foreach ((array)$wheres as $wh => $val) {

$this->wheres[$wh] = $val;

} return($this);

}

/**

*

* WHERE_IN PARAMETERS *

*

* Get the documents where the value

of a $field is in a given $in array().

*

* @usage = $this->mongo_db->where_in('foo', array('bar', 'zoo', 'blah'))->get('foobar');

*/

public function where_in($field = "", $in = array()) {

$this->where_init($field);

$this->wheres[$field]['$in'] = $in;

return($this);

}

/**

*

* WHERE_NOT_IN PARAMETERS *

*

* Get the documents where the value of

a $field is not in a given $in array().

*

* @usage = $this->mongo_db->where_not_in('foo', array('bar', 'zoo', 'blah'))->get('foobar');

*/

public function where_not_in($field = "", $in = array()) {

$this->where_init($field);

$this->wheres[$field]['$nin'] = $in;

return($this);

}

/**

*

* WHERE GREATER THAN PARAMETERS *

*

* Get the documents where the value of

a $field is greater than $x

*

* @usage = $this->mongo_db->where_gt('foo', 20);

*/

public function where_gt($field = "", $x) {

$this->where_init($field);

$this->wheres[$field]['$gt'] = $x;

return($this);

}

/**

*

* WHERE GREATER THAN OR EQUAL TO PARAMETERS *

*

* Get the documents where the value of a $field is greater than or equal to $x

*

* @usage = $this->mongo_db->where_gte('foo', 20);

*/

public function where_gte($field = "", $x) {

$this->where_init($field);

$this->wheres[$field]['$gte'] = $x;

return($this);

}

/**

*

* WHERE LESS THAN PARAMETERS *

*

* Get the documents where the value of

a $field is less than $x

*

* @usage = $this->mongo_db->where_lt('foo', 20);

*/

public function where_lt($field = "", $x) {

$this->where_init($field);

$this->wheres[$field]['$lt'] = $x;

return($this);

}

/**

*

* WHERE LESS THAN OR EQUAL TO PARAMETERS *

*

* Get the documents where the value of

a $field is less than or equal to $x

*

* @usage = $this->mongo_db->where_lte('foo', 20);

*/

public function where_lte($field = "", $x) {

$this->where_init($field);

$this->wheres[$field]['$lte'] = $x;

return($this);

}

/**

*

* WHERE BETWEEN PARAMETERS *

*

* Get the documents where the value of

a $field is between $x and $y

*

* @usage = $this->mongo_db->where_between('foo', 20, 30);

*/

public function where_between($field = "", $x, $y) {

$this->where_init($field);

$this->wheres[$field]['$gte'] = $x;

$this->wheres[$field]['$lte'] = $y;

return($this);

}

/**

*

* WHERE BETWEEN AND NOT EQUAL TO PARAMETERS *

*

* Get the documents where the value of

a $field is between but not equal to $x and $y

*

* @usage = $this->mongo_db->where_between_ne('foo', 20, 30);

*/

public function where_between_ne($field = "", $x, $y) {

$this->where_init($field);

$this->wheres[$field]['$gt'] = $x;

$this->wheres[$field]['$lt'] = $y;

return($this);

}

/**

*

* WHERE NOT EQUAL TO PARAMETERS *

*

* Get the documents where the value of

a $field is not equal to $x

*

* @usage = $this->mongo_db->where_between('foo', 20, 30);

*/

public function where_ne($field = "", $x) {

$this->where_init($field);

$this->wheres[$field]['$ne'] = $x;

return($this);

}

/**

*

* WHERE OR *

*

* Get the documents where the value of

a $field is in one or more values

*

* @usage = $this->mongo_db->where_or('foo', array( 'foo', 'bar', 'blegh' );

*/

public function where_or($field = "", $values) {

$this->where_init($field);

$this->wheres[$field]['$or'] = $values;

return($this);

}

/**

*

* WHERE AND *

*

* Get the documents where the elements match

the specified values *

* @usage = $this->mongo_db->where_and( array ( 'foo' => 1, 'b' => 'someexample' );

*/

public function where_and($elements_values = array()) {

foreach ((array)$elements_values as $element => $val) {

$this->wheres[$element] = $val;

} return($this);

}

/**

*

* WHERE MOD *

*

* Get the documents where $field % $mod = $result *

* @usage = $this->mongo_db->where_mod( 'foo', 10, 1 );

*/

public function where_mod($field, $num, $result) {

$this->where_init($field);

$this->wheres[$field]['$mod'] = array($num, $result);

return($this);

}

/** * * Where size * * * Get the documents where the size of a field is in a given $size int * * @usage : $this->mongo_db->where_size('foo', 1)->get('foobar'); */

public function where_size($field = "", $size = "") {

$this->_where_init($field);

$this->wheres[$field]['$size'] = $size;

return ($this);

}

/**

*

* LIKE PARAMETERS *

*

* Get the documents where the (string) value of

a $field is like a value. The defaults

* allow for a case-insensitive search. *

* @param $flags

* Allows for the typical regular expression flags:

* i = case insensitive

* m = multiline

* x = can contain comments

* l = locale

* s = dotall, "." matches everything, including newlines

* u = match unicode

*

* @param $enable_start_wildcard

* If set to anything other than TRUE, a starting line character "^" will be prepended

* to the search value, representing only searching for a value at the start of

* a new line.

* * @param $enable_end_wildcard

* If set to anything other than TRUE, an ending line character "$" will be appended

* to the search value, representing only searching for a value at the end of

* a line.

*

* @usage = $this->mongo_db->like('foo', 'bar', 'im', FALSE, TRUE);

*/

public function like($field = "", $value = "", $flags = "i", $enable_start_wildcard = TRUE, $enable_end_wildcard = TRUE) {

$field = (string) trim($field);

$this->where_init($field);

$value = (string) trim($value);

$value = quotemeta($value);

if ($enable_start_wildcard !== TRUE) {

$value = "^" . $value;

} if ($enable_end_wildcard !== TRUE) {

$value .= "$";

} $regex = "/$value/$flags";

$this->wheres[$field] = new MongoRegex($regex);

return($this);

}

public function wheres($where){

$this->wheres = $where;

}

/**

*

* ORDER BY PARAMETERS *

*

* Sort the documents based on the parameters passed.

To set values to descending order,

* you must pass values of either -1, FALSE,

'desc', or 'DESC', else they will be

* set to 1 (ASC).

*

* @usage = $this->mongo_db->where_between('foo', 20, 30);

*/

public function order_by($fields = array()) {

if (!is_array($fields) || !count($fields)) return ;

foreach ($fields as $col => $val) {

if ($val == -1 || $val === FALSE || strtolower($val) == 'desc') {

$this->sorts[$col] = -1;

} else {

$this->sorts[$col] = 1;

}

} return($this);

}

/**

*

* LIMIT DOCUMENTS *

*

* Limit the result set to $x number of documents *

* @usage = $this->mongo_db->limit($x);

*/

public function limit($x = 99999) {

if ($x !== NULL && is_numeric($x) && $x >= 1) {

$this->limit = (int) $x;

} return($this);

}

/**

*

* OFFSET DOCUMENTS *

*

* Offset the result set to skip $x number of documents

*

* @usage = $this->mongo_db->offset($x);

*/

public function offset($x = 0) {

if ($x !== NULL && is_numeric($x) && $x >= 1) {

$this->offset = (int) $x;

} return($this);

}

/**

*

* GET_WHERE *

*

* Get the documents based upon the passed parameters *

* @usage = $this->mongo_db->get_where('foo', array('bar' => 'something'));

*/

public function get_where($collection = "", $where = array(), $limit = 99999, $orderby=array()) {

if (is_array($orderby) || !emptyempty($orderby)) {

$order_by = $this->order_by($order_by);

}

return($this->where($where)->limit($limit)->get($collection));

}

public function selectA($collection = "", $limit = 99999, $orderby=array()) {

if(intval($limit)

$limit = 999999;

}

$order_by = $this->order_by($orderby);

$re = $this->limit($limit)->get($collection);

$this->clear();

return (array)$re;

}

public function listinfo($collection = "", $orderby=array(), $page=1, $pagesize=12) {

$page = max(intval($page), 1);

$offset = $pagesize * ($page - 1);

$pagesizes = $offset + $pagesize;

$this->offset($offset);

$order_by = $this->order_by($orderby);

$re = $this->limit($pagesize)->get($collection);

$this->limit(999999);

$count = $this->count($collection);

$this->pages = pages($count, $page, $pagesize);

return (array)$re;

}

/**

*

* GET *

*

* Get the documents based upon the passed parameters *

* @usage = $this->mongo_db->get('foo', array('bar' => 'something'));

*/

public function get($collection = "") {

if (emptyempty($collection)) {

$this->error("In order to retreive documents from MongoDB, a collection name must be passed", 500);

} $results = array();

$documents = $this->db->{$collection}->find($this->wheres, $this->selects)->limit((int) $this->limit)->skip((int) $this->offset)->sort($this->sorts);

$returns = array();

foreach ($documents as $doc): $returns[] = $doc;

endforeach;

return($returns);

}

public function getMy($collection = "") {

if (emptyempty($collection)) {

$this->error("In order to retreive documents from MongoDB, a collection name must be passed", 500);

} $results = array();

$documents = $this->db->{$collection}->find($this->wheres, $this->selects)->limit((int) $this->limit)->skip((int) $this->offset)->sort($this->sorts);

$returns = array();

foreach ($documents as $doc): $returns[] = $doc;

endforeach;

$this -> clear();

return($returns);

}

/**

*

* COUNT *

*

* Count the documents based upon the passed parameters *

* @usage = $this->mongo_db->get('foo');

*/

public function count($collection = "") {

if (emptyempty($collection)) {

$this->error("In order to retreive a count of documents from MongoDB, a collection name must be passed", 500);

} $count = $this->db->{$collection}->find($this->wheres)->limit((int) $this->limit)->skip((int) $this->offset)->count();

$this->clear();

return($count);

}

/**

*

* INSERT *

*

* Insert a new document into the passed collection *

* @usage = $this->mongo_db->insert('foo', $data = array());

*/

public function insert($collection = "", $data = array(), $name='ID') {

if (emptyempty($collection)) {

$this->error("No Mongo collection selected to insert into", 500);

} if (count($data) == 0 || !is_array($data)) {

$this->error("Nothing to insert into Mongo collection or insert is not an array", 500);

} try {

/**

wxcity_base::load_sys_class('whtysqs','',0);

$mongoseq_class = new whtysqs('creaseidsqs');

$re = $mongoseq_class->query("?name=" . $collection . "&opt=put&data=1");

**/

$re = put_sqs('list_mongo_creaseidsqs','1');

if(is_numeric($re)){

$re++;

$data[$name] = intval($re);

}else{

$data[$name] = intval(time());

//die('mongosqs error');

}

$this->db->{$collection}->insert($data, array('fsync' => TRUE));

$this->clear();

return $data[$name];

} catch (MongoCursorException $e) {

$this->error("Insert of data into MongoDB failed: {$e->getMessage()}", 500);

}

}

public function insertWithId($collection = "", $data = array()) {

if (emptyempty($collection)) {

$this->error("No Mongo collection selected to insert into", 500);

} if (count($data) == 0 || !is_array($data)) {

$this->error("Nothing to insert into Mongo collection or insert is not an array", 500);

} try {

$this->db->{$collection}->insert($data, array('fsync' => TRUE));

$this->clear();

return 1;

} catch (MongoCursorException $e) {

$this->error("Insert of data into MongoDB failed: {$e->getMessage()}", 500);

}

}

/**

*

* UPDATE *

*

* Update a document into the passed collection *

* @usage = $this->mongo_db->update('foo', $data = array());

*/

public function update($collection = "", $data = array()) {

if (emptyempty($collection)) {

$this->error("No Mongo collection selected to update", 500);

} if (count($data) == 0 || !is_array($data)) {

$this->error("Nothing to update in Mongo collection or update is not an array", 500);

} try {

$this->db->{$collection}->update($this->wheres, array('$set' => $data), array('fsync' => TRUE, 'multiple' => FALSE));

$this->clear();

return(TRUE);

} catch (MongoCursorException $e) {

$this->error("Update of data into MongoDB failed: {$e->getMessage()}", 500);

}

}

/**

*

* UPDATE_ALL *

*

* Insert a new document into the passed collection *

* @usage = $this->mongo_db->update_all('foo', $data = array());

*/

public function update_all($collection = "", $data = array()) {

if (emptyempty($collection)) {

$this->error("No Mongo collection selected to update", 500);

} if (count($data) == 0 || !is_array($data)) {

$this->error("Nothing to update in Mongo collection or update is not an array", 500);

} try {

$this->db->{$collection}->update($this->wheres, array('$set' => $data), array('fsync' => TRUE, 'multiple' => TRUE));

return(TRUE);

} catch (MongoCursorException $e) {

$this->error("Update of data into MongoDB failed: {$e->getMessage()}", 500);

}

}

/**

*

* DELETE *

*

* delete document from the passed collection based upon certain criteria *

* @usage = $this->mongo_db->delete('foo', $data = array());

*/

public function delete($collection = "") {

if (emptyempty($collection)) {

$this->error("No Mongo collection selected to delete from", 500);

} try {

$this->db->{$collection}->remove($this->wheres, array('fsync' => TRUE, 'justOne' => TRUE));

$this->clear();

return(TRUE);

} catch (MongoCursorException $e) {

$this->error("Delete of data into MongoDB failed: {$e->getMessage()}", 500);

}

}

/**

*

* DELETE_ALL *

*

* Delete all documents from the passed collection based upon certain criteria

*

* @usage = $this->mongo_db->delete_all('foo', $data = array());

*/

public function delete_all($collection = "") {

if (emptyempty($collection)) {

$this->error("No Mongo collection selected to delete from", 500);

} try {

$this->db->{$collection}->remove($this->wheres, array('fsync' => TRUE, 'justOne' => FALSE));

return(TRUE);

} catch (MongoCursorException $e) {

$this->error("Delete of data into MongoDB failed: {$e->getMessage()}", 500);

}

}

/**

*

* ADD_INDEX *

*

* Ensure an index of the keys in a collection with optional parameters.

To set values to descending order,

* you must pass values of either -1, FALSE, 'desc', or 'DESC', else they will be

* set to 1 (ASC). *

* @usage = $this->mongo_db->add_index($collection, array('first_name' => 'ASC', 'last_name' => -1), array('unique' => TRUE));

*/

public function add_index($collection = "", $keys = array(), $options = array()) {

if (emptyempty($collection)) {

$this->error("No Mongo collection specified to add index to", 500);

} if (emptyempty($keys) || !is_array($keys)) {

$this->error("Index could not be created to MongoDB Collection because no keys were specified", 500);

} foreach ($keys as $col => $val) {

if ($val == -1 || $val === FALSE || strtolower($val) == 'desc') {

$keys[$col] = -1;

} else {

$keys[$col] = 1;

}

} if ($this->db->{$collection}->ensureIndex($keys, $options) == TRUE) {

$this->clear();

return($this);

} else {

$this->error("An error occured when trying to add an index to MongoDB Collection", 500);

}

}

/**

*

* REMOVE_INDEX *

*

* Remove an index of the keys in a collection.

To set values to descending order,

* you must pass values of either -1, FALSE, 'desc', or 'DESC', else they will be

* set to 1 (ASC). *

* @usage = $this->mongo_db->remove_index($collection, array('first_name' => 'ASC', 'last_name' => -1));

*/

public function remove_index($collection = "", $keys = array()) {

if (emptyempty($collection)) {

$this->error("No Mongo collection specified to remove index from", 500);

} if (emptyempty($keys) || !is_array($keys)) {

$this->error("Index could not be removed from MongoDB Collection because no keys were specified", 500);

} if ($this->db->{$collection}->deleteIndex($keys, $options) == TRUE) {

$this->clear();

return($this);

} else {

$this->error("An error occured when trying to remove an index from MongoDB Collection", 500);

}

}

/**

*

* REMOVE_ALL_INDEXES *

*

* Remove all indexes from a collection. *

* @usage = $this->mongo_db->remove_all_index($collection);

*/

public function remove_all_indexes($collection = "") {

if (emptyempty($collection)) {

$this->error("No Mongo collection specified to remove all indexes from", 500);

} $this->db->{$collection}->deleteIndexes();

$this->clear();

return($this);

}

/**

*

* LIST_INDEXES *

*

* Lists all indexes in a collection. *

* @usage = $this->mongo_db->list_indexes($collection);

*/

public function list_indexes($collection = "") {

if (emptyempty($collection)) {

$this->error("No Mongo collection specified to remove all indexes from", 500);

} return($this->db->{$collection}->getIndexInfo());

}

/**

*

* DROP COLLECTION *

*

* Removes the specified collection from the database.

Be careful because this

* can have some very large issues in production!

*/

public function drop_collection($collection = "") {

if (emptyempty($collection)) {

$this->error("No Mongo collection specified to drop from database", 500);

} $this->db->{$collection}->drop();

return TRUE;

}

/**

*

* CLEAR *

*

* Resets the class variables to default settings

*/

private function clear() {

$this->selects = array();

$this->wheres = array();

$this->limit = NULL;

$this->offset = NULL;

$this->sorts = array();

}

/**

*

* WHERE INITIALIZER *

*

* Prepares parameters for insertion in $wheres array().

*/

private function where_init($param) {

if (!isset($this->wheres[$param])) {

$this->wheres[$param] = array();

}

}

public function error($str, $t) {

echo $str;

exit;

}

}

?>

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/978259.htmlTechArticlephp实现的mongodb操作类实例 本文实例讲述了php实现的mongodb操作类。分享给大家供大家参考。具体如下: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18...