Class 'MongoDB\Driver\Manager' not found

I do not know if it's the most elegant solution, but it worked for me:

Install the php driver $ sudo pecl install mongodb
Create the extension file $ sudo nano /etc/php5/mods-available/mongodb.ini and write inside: extension=mongodb.so
Create a symbolic link for this file $ sudo ln -sv /etc/php5/mods-available/mongodb.ini /etc/php5/apache2/conf.d/20-mongodb.ini
Create an other symbolic link for this file $ sudo ln -sv /etc/php5/mods-available/mongodb.ini /etc/php5/cli/conf.d/20-mongodb.ini
Restart apache or the server used $ sudo service apache2 restart

It may be necessary to reinstall jenssegers/mongodb: $ composer require jenssegers/mongodb

You may also need to restart fpm on ubuntu/debian

sudo service php7.0-fpm restart

for php5

sudo service php5-fpm restart

Also, make sure extension=mongodb.so is in:

apache2/php.inicli/php.inifpm/php.ini

to check i do:

locate php.ini | xargs grep mongo

to see php.ini files:

php --ini

mongodb laravel laravel-5

When you are going to connect MongoDB database with any PHP application then you can face this issue if you don't have PHP MongoDB driver.

So first you need to run following command to install Mongodb PHP extension :

sudo apt-get install php-mongodb

Now restart the server :

  sudo service apache2 restart

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