composer does not install mongodb ubuntu

Question

I ran: composer require mongodb/mongodb. But it gave me the following error :

has error:

- mongodb/mongodb 1.0.1 requires ext-mongodb ^1.1.0 -> the requested PHP extension mongodb is missing from your system.
- mongodb/mongodb 1.0.0 requires ext-mongodb ^1.1.0 -> the requested PHP extension mongodb is missing from your system.
- Installation request for mongodb/mongodb ^1.0 -> satisfiable by mongodb/mongodb[1.0.0, 1.0.1].

I tried : composer show -p

Then it gave me:

......
ext-iconv           0         The iconv PHP extension
ext-mcrypt          0         The mcrypt PHP extension
ext-mhash           0         The mhash PHP extension
ext-mongo           1.6.12    The mongo PHP extension
ext-mysql           1.0       The mysql PHP extension
ext-mysqli          0.1       The mysqli PHP extension
......

Why am I getting the error?

php -m

..... 
libxml 
mbstring 
mcrypt 
mhash 
mongo 
mysql 
mysqli 
openssl 
pcntl
pcre
 PDO 
 .....

I'm using ubuntu 14.04 LTS

Answer 1

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

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

Answer 2

for quick and easy, just do:

• sudo pecl install mongodb
• sudo nano /etc/php5/apache2/php.ini, add (at bottom or wherever):

; mongodb extension=mongodb.so

• sudo nano /etc/php5/cli/php.ini, add (at bottom or wherever):

; mongodb extension=mongodb.so

• restart webserver for good measure (not necessary for cli): sudo service apache2 restart

Answer 3

i'm run:

sudo apt-get install libpcre3-dev

then:

pecl install mongodb

and add: extension=mongodb.so to bottom line of cli/php.ini