PHP implementation of the MongoDB operation class, PHP implementation mongodb_php Tutorial

PHP implementation of the MongoDB operation class, PHP implementation MongoDB

mongo_db.php

<?php/** * Created by Phpstorm.  * User:yangyulong * DATE:2015/5/26 * time:13:45 */class mongo_db{private static $instanceof = NULL;  Public $mongo;  Private $host = ' localhost ';   Private $port = ' 27017 ';  Private $db;  Public $dbname;   Private $table = NULL;     /** * Initialize class, get MONGO instance object */Public function __construct ($host = null, $port = NULL, $dbname = NULL, $table = null) { if (NULL = = = $dbname) {$this->throwerror (' collection cannot be empty!    ');    }//Determines whether the host and port if (NULL!== $host) are passed {$this->host = $host;    } if (NULL!== $port) {$this->port = $port;     } $this->table = $table; $this->mongo = new Mongoclient ($this->host. ':' .    $this->port);      if ($this->getversion () >= ' 0.9.0 ') {$this->dbname = $this->mongo->selectdb ($dbname);    $this->db = $this->dbname->selectcollection ($table);    } else {$this->db = $this->mongo-> $dbname, $table; }} public Function GetVersion () {return mongoclient::version; }/** * Singleton mode * @return Mongo|null *///public static function getinstance ($host =null, $port =null, $dbname =null, $ Table=null) {////if (! (  Self:: $instanceof instanceof Self)} {//self:: $instanceof = new self ($host, $port, $dbname, $table);  }////Return self:: $instanceof; }/** * Insert a data * @param array $doc */Public Function Insert ($doc = Array ()) {if (empty ($doc)) {$thi S->throwerror (' inserted data cannot be empty!    ');      }//Save data information try {if (! $this->db->insert ($doc)) {throw new Mongoexception (' Insert data failed ');    }} catch (Mongoexception $e) {$this->throwerror ($e->getmessage ());      }}/** * Insert multiple Data messages * @param array $doc */Public Function insertmulti ($doc = Array ()) {if (empty ($doc)) { $this->throwerror (' inserted data cannot be empty!    '); }//Insert data information foreach ($doc as $key + $val) {//To determine if $val is an array if (Is_array ($val)) {$this->insert      ($val);  }    }/** * Find a record * @return Array|null */Public Function findOne ($where = null) {if (null = = = $where) {T        ry {if ($result = $this->db->findone ()) {return $result;        } else {throw new mongoexception (' Find data failed ');      }} catch (Mongoexception $e) {$this->throwerror ($e->getmessage ());        }} else {try {if ($result = $this->db->findone ($where)) {return $result;        } else {throw new mongoexception (' Find data failed ');      }} catch (Mongoexception $e) {$this->throwerror ($e->getmessage ()); }}}/** * Todo with conditional subsequent do * Find all Documents * @return Mongocursor */Public Function find ($where = NULL) {if ( NULL = = $where) {try {if ($result = $this->db->find ()) {} else {throw new Mongoex        Ception (' Find data failed ');      }} catch (Mongoexception $e) {$this->throwerror ($e->getmessage ()); }} ELSE {try {if ($result = $this->db->find ($where)) {} else {throw new mongoexception (        ' Find data failed ');      }} catch (Mongoexception $e) {$this->throwerror ($e->getmessage ());    }} $arr = Array ();    foreach ($result as $id = + $val) {$arr [] = $val;  } return $arr; }/** * Gets the number of record bars * @return int */Public Function GetCount () {try {if ($count = $this->db->count ()      ) {return $count;      } else {throw new mongoexception (' Total lookup failed ');    }} catch (Mongoexception $e) {$this->throwerror ($e->getmessage ());  }}/** * get all databases * @return Array */Public function Getdbs () {return $this->mongo->listdbs (); /** * Delete database * @param null $dbname * @return Mixed */Public function dropdb ($dbname = null) {if (null! =      = $dbname) {$retult = $this->mongo->dropdb ($dbname);      if ($retult [' OK ']) {return TRUE; } else {return FALSE;  }} $this->throwerror (' Please enter the name of the database to be deleted ');  /** * Force close link to database */Public Function closedb () {$this->mongo->close (TRUE); /** * Output error message * @param $errorInfo Error Contents */Public Function throwerror ($errorInfo = ') {echo '
Something went wrong: $errorInfo
";  Die (); } }

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http://www.bkjia.com/PHPjc/1008012.html www.bkjia.com true http://www.bkjia.com/PHPjc/1008012.html techarticle PHP Implementation of the MongoDB operation class, PHP implementation MongoDB mongo_db.php PHP/** * Created by Phpstorm. * User:yangyulong * DATE:2015/5/26 * Time: 13:45 */class mongo_db{private static $ins ...

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