- PHP & MongoDB Tutorial
- PHP & MongoDB - Home
- PHP & MongoDB - Overview
- PHP & MongoDB - Environment Setup
- PHP & MongoDB Examples
- PHP & MongoDB - Connect Database
- PHP & MongoDB - Show Databases
- PHP & MongoDB - Drop Database
- PHP & MongoDB - Create Collection
- PHP & MongoDB - Drop Collection
- PHP & MongoDB - Display Collections
- PHP & MongoDB - Insert Document
- PHP & MongoDB - Select Document
- PHP & MongoDB - Update Document
- PHP & MongoDB - Delete Document
- PHP & MongoDB - Embedded Documents
- PHP & MongoDB - Error Handling
- PHP & MongoDB - Limiting Records
- PHP & MongoDB - Sorting Records
- PHP & MongoDB Useful Resources
- PHP & MongoDB - Quick Guide
- PHP & MongoDB - Useful Resources
- PHP & MongoDB - Discussion
PHP & MongoDB - Connecting Database
First step to do any operation is to create a Manager instance.
// Connect to MongoDB using Manager Instance $manager = new MongoDB\Driver\Manager("mongodb://localhost:27017");
Second step is to prepare and execute a command on a database if the database doesn't exist then MongoDB creates it automatically.
// Create a Command Instance $statistics = new MongoDB\Driver\Command(["dbstats" => 1]); // Execute the command on the database $cursor = $manager->executeCommand("myDb", $statistics);
Example
Try the following example to connect to a MongoDB server −
Copy and paste the following example as mongodb_example.php −
<?php try { // connect to mongodb $manager = new MongoDB\Driver\Manager("mongodb://localhost:27017"); echo "Connection to database successfully"; $statistics = new MongoDB\Driver\Command(["dbstats" => 1]); $cursor = $manager->executeCommand("myDb", $statistics); $statistics = current($cursor->toArray()); echo "<pre>"; print_r($statistics); echo "</pre>"; } catch (MongoDB\Driver\Exception\Exception $e) { echo "Exception:", $e->getMessage(), "\n"; } ?>
Output
Access the mongodb_example.php deployed on apache web server and verify the output.
Connection to database successfully stdClass Object ( [db] => myDb [collections] => 0 [views] => 0 [objects] => 0 [avgObjSize] => 0 [dataSize] => 0 [storageSize] => 0 [totalSize] => 0 [indexes] => 0 [indexSize] => 0 [scaleFactor] => 1 [fileSize] => 0 [fsUsedSize] => 0 [fsTotalSize] => 0 [ok] => 1 )
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