PHP7:Mongodb API使用
编译安装PHP7

编译安装PHP7 Mongdb扩展
#先安装一个依赖库
yum -y install openldap-devel
wget https://pecl.php.net/get/mongodb-1.1.1.tgz
/home/server/php7/bin/phpize   #根据自己编译的PHP环境而定
./configure --with-php-config=/home/server/php7/bin/php-config 
make && make install

#如果成功，生成一个mongodb.so扩展在lib/php/extensions/no-debug-non-zts-20151012/
修改php.ini配置
extension=mongodb.so

注：

以前版本用的是mongo.so扩展，老的php-mongodb api

在PHP7已经不支持了，至少目前不支持。

最新支持PHP7的mongodb 编译后 仅支持新版API(mongodb > 2.6.X版本)

参考资料
GITHUB:

https://github.com/mongodb/

官网：

http://www.mongodb.org/

PHP官方：

https://pecl.php.net/package/mongodb

http://pecl.php.net/package/mongo  [已废弃，目前只支持到PHP5.9999]

API手册：

http://docs.php.net/manual/en/set.mongodb.php

Mongodb API 操作
初始化Mongodb连接
 
 $manager =  new MongoDB\Driver\Manager("mongodb://127.0.0.1:27017");
 var_dump($manager);
 

object(MongoDB\Driver\Manager)#1 (3) {
  ["request_id"]=>
  int(1714636915)
  ["uri"]=>
  string(25) "mongodb://localhost:27017"
  ["cluster"]=>
  array(13) {
    ["mode"]=>
    string(6) "direct"
    ["state"]=>
    string(4) "born"
    ["request_id"]=>
    int(0)
    ["sockettimeoutms"]=>
    int(300000)
    ["last_reconnect"]=>
    int(0)
    ["uri"]=>
    string(25) "mongodb://localhost:27017"
    ["requires_auth"]=>
    int(0)
    ["nodes"]=>
    array(...)
    ["max_bson_size"]=>
    int(16777216)
    ["max_msg_size"]=>
    int(50331648)
    ["sec_latency_ms"]=>
    int(15)
    ["peers"]=>
    array(0) {
    }
    ["replSet"]=>
    NULL
  }
}
CURL操作
$bulk = new MongoDB\Driver\BulkWrite(['ordered' => true]);
$bulk->delete([]);
$bulk->insert(['_id' => 1]);
$bulk->insert(['_id' => 2]);
$bulk->insert(['_id' => 3, 'hello' => 'world']);
$bulk->update(['_id' => 3], ['$set' => ['hello' => 'earth']]);
$bulk->insert(['_id' => 4, 'hello' => 'pluto']);
$bulk->update(['_id' => 4], ['$set' => ['hello' => 'moon']]);
$bulk->insert(['_id' => 3]);
$bulk->insert(['_id' => 4]);
$bulk->insert(['_id' => 5]);

$manager = new MongoDB\Driver\Manager('mongodb://localhost:27017');
$writeConcern = new MongoDB\Driver\WriteConcern(MongoDB\Driver\WriteConcern::MAJORITY, 1000);

try {
    $result = $manager->executeBulkWrite('db.collection', $bulk, $writeConcern);
} catch (MongoDB\Driver\Exception\BulkWriteException $e) {
    $result = $e->getWriteResult();

    // Check if the write concern could not be fulfilled
    if ($writeConcernError = $result->getWriteConcernError()) {
        printf("%s (%d): %s\n",
            $writeConcernError->getMessage(),
            $writeConcernError->getCode(),
            var_export($writeConcernError->getInfo(), true)
        );
    }

    // Check if any write operations did not complete at all
    foreach ($result->getWriteErrors() as $writeError) {
        printf("Operation#%d: %s (%d)\n",
            $writeError->getIndex(),
            $writeError->getMessage(),
            $writeError->getCode()
        );
    }
} catch (MongoDB\Driver\Exception\Exception $e) {
    printf("Other error: %s\n", $e->getMessage());
    exit;
}

printf("Inserted %d document(s)\n", $result->getInsertedCount());
printf("Updated  %d document(s)\n", $result->getModifiedCount());
查询
$filter = array();
$options = array(
    /* Only return the following fields in the matching documents */
    "projection" => array(
        "title" => 1,
        "article" => 1,
    ),
    "sort" => array(
        "views" => -1,
    ),
    "modifiers" => array(
        '$comment'   => "This is a query comment",
        '$maxTimeMS' => 100,
    ),
);

$query = new MongoDB\Driver\Query($filter, $options);

$manager = new MongoDB\Driver\Manager("mongodb://localhost:27017");
$readPreference = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_PRIMARY);
$cursor = $manager->executeQuery("databaseName.collectionName", $query, $readPreference);

foreach($cursor as $document) {
    var_dump($document);
}

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