Mongodb+php implements simple addition, deletion, modification and query

Install the php extension of mongodb on windows

Download address https://s3.amazonaws.com/drivers.mongodb.org/php/index.html

Find the corresponding php version of the dll file, download php_mongo.dll, and put Go to the ext directory under the php installation directory, modify php.ini, add an extension=php_mongo.dll, no dll supporting php7 is found

Get the MongoClient object, new comes out

Get the database object db, through the database of the MongoClient object Attribute, $MongoClient->database name

Get the collection, through the collection attribute of the db object, $db->collection name

Create a collection, call the createCollection() method of the db object,

call the find of the collection object () method, query data, $collection->find()

Call the update () method of the collection object, update the data, $collection->update($condition,$data);

Call the insert of the collection object () method, insert data, $collection->insert($data);

<?php
// 连接到mongodb
$mongoClient = new MongoClient();
// 选择一个数据库
$db = $mongoClient->test;
 
//获取集合
$collection=$db->users;
 
//更新文档
$condition=array();
$condition["id"]=1;
$data=array();
$data[&#39;name&#39;]="wangwu";
$data[&#39;age&#39;]="11";
$collection->update($condition,$data);
 
//插入文档
$data=array();
$data[&#39;id&#39;]=4;
$data[&#39;name&#39;]="哈哈";
$data[&#39;age&#39;]="11";
$collection->insert($data);
 
//删除文档
$condition=array();
$condition[&#39;id&#39;]=2;
$collection->remove($condition);
 
//查询文档
$users=$collection->find();
foreach ($users as $k => $v) {
  print_r($v);
}
?>\

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