Difference between 'composer install' and 'composer update'
Example composer update # composer update will update our dependencies as they are specified in composer.json . For example, if our project uses this configuration: "require": { "laravelcollective/html": "2.0.*" } Supposing we have actually installed the 2.0.1 version of the package, running composer update will cause an upgrade of this package (for example to 2.0.2 , if it has already been released). In detail composer update will: Read composer.json Remove installed packages that are no more required in composer.json Check the availability of the latest versions of our required packages Install the latest versions of our packages Update composer.lock to store the installed packages version composer install # composer install will install all of the dependencies as specified in the composer.lock file at the version specified (locked), without updating anything. In detail: Read comp...