phpinfo() and pecl search mongo shows different version of mongodb - php

Question

I have installed MongoDB on my local pc referring below site
http://linuxforever.info/2017/04/13/how-to-install-mongodb-3-4-in-linux-mint-18-ubuntu-16-04/
I made a simple demo of MongoDB and when I ran the project I got an error like
Fatal error: Call to undefined method
MongoDB\Driver\WriteConcern::isDefault()
I have checked MongoDB version on both side (phpinfo.php and terminal) it's different.
Terminal => pecl search mongo command
Matched packages, channel pecl.php.net:
Package Stable/(Latest) Local
mongo 1.6.16 (stable) MongoDB database driver
mongodb 1.4.3 (stable) 1.4.3 MongoDB driver for PHP
Phpinfo =>
MongoDB extension version 1.2.9
MongoDB extension stability stable
libbson bundled version 1.5.5
libmongoc bundled version 1.5.5
Please help me to clear this issue.
Thanks in advance

Answer 1

<?php
require_once './vendor/autoload.php';
$con = new MongoDB\Client("mongodb://localhost:27017");
// Creating Database
$db = $con->yourdbname;
// Creating Document
$collection = $db->employee;
// Insering Record
$collection->insertOne( [ 'name' =>'Peter', 'email' =>'peter#abc.com'] );
// Fetching Record
$record = $collection->find( [ 'name' =>'Peter'] );
foreach ($record as $employe) {
echo $employe['name'], ': ', $employe['email']."<br>";
}
?>

Answer 2

please check this screen short

Answer 3

Try Installing using following command :
pecl install mongodb
Add extension to your php.ini file at the end
extension = mongodb.so
Restert your php and apache server
Use composer to load mongo db packages
composer require mongodb/mongodb
Run following code after above process
<?php
require 'vendor/autoload.php';
// Creating Connection
$con = new MongoDB\Client("mongodb://localhost:27017");
// Creating Database
$db = $con->yourdbname;
// Creating Document
$collection = $db->employee;
// Insering Record
$collection->insertOne( [ 'name' =>'Peter', 'email' =>'peter#abc.com' ] );
// Fetching Record
$record = $collection->find( [ 'name' =>'Peter'] );
foreach ($record as $employe) {
echo $employe['name'], ': ', $employe['email']."<br>";
}

Answer 4

MongoDB\Driver\WriteConcern::isDefault() was introduced in ext-mongodb 1.3
You have MongoDB extension version 1.2.9 as you shared output of phpinfo().
You need to update the extension.
UPDATE
You can download latest extension from following link
https://pecl.php.net/package/mongodb
Linux Mint is Debian based and you can install following package on it to upgrade
https://ubuntu.pkgs.org/18.04/ubuntu-universe-amd64/php-mongodb_1.3.4-1build1_amd64.deb.html

Answer 5

I had a similar issue which I solved after several hours. Hopefully this saves others some time. I'm on macOS Sierra.
Background
I ran sudo pecl install mongodb to update mongo driver. I didn't need to add the extension to php.ini because it was there from an older version.
PHP refused to recognize the updated mongo driver. I would also receive the Fatal error: Call to undefined ... isDefault() error when trying to execute queries.
The fix
Step 1
Find the full path of the new mongodb driver extension.
There are a few ways to do this.
Updating the driver (i.e. sudo pecl install mongodb) will output something like:
Installing
'/usr/local/Cellar/php71/7.1.2_13/lib/php/extensions/no-debug-non-zts-20160303/mongodb.so'
Alternatively, you could search for it: find / -name "mongodb.so" on Mac or Linux.
Step 2
Locate your php.ini file.
Again there are a few different ways.
Echoing phpinfo() in php will tell you where it is.
Alternatively you could run find / -name php.ini.
Mine was located at /usr/local/etc/php/7.1/php.ini
Step 3
Edit your php.ini file, and replace
extension="mongodb.so"
with the path to the new extension:
extension="/usr/local/Cellar/php71/7.1.2_13/lib/php/extensions/no-debug-non-zts-20160303/mongodb.so"
Step 4
Save and retry your query.
More info
In my case, php.ini was actually including the mongo extension from /usr/local/etc/php/7.1/conf.d/ext-mongodb.ini, so this was the file that I edited. However I successfully tested both solutions.