В Ubuntu 18.04, с php 5.6, php5.6-fpm, nginx, используя mongodb из ubuntu
composer require mongodb/mongodb
Error
Using version ^1.4 for mongodb/mongodb
./composer.json has been updated
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Updating dependencies (including require-dev)
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Problem 1
- mongodb/mongodb 1.4.2 requires ext-mongodb ^1.5.0 -> the requested PHP extension mongodb has the wrong version (1.4.2) installed.
- mongodb/mongodb 1.4.1 requires ext-mongodb ^1.5.0 -> the requested PHP extension mongodb has the wrong version (1.4.2) installed.
- mongodb/mongodb 1.4.0 requires ext-mongodb ^1.5.0 -> the requested PHP extension mongodb has the wrong version (1.4.2) installed.
- Installation request for mongodb/mongodb ^1.4 -> satisfiable by mongodb/mongodb[1.4.0, 1.4.1, 1.4.2].