How to update a single library with Composer

Question

I need to install only 1 package for my SF2 distribution  DoctrineFixtures    When I run   php composer phar update   I get    - Updating twig twig  dev-master 39d94fa   gt  v1 13 0      The package has modified files      M CHANGELOG     M doc filters batch test     M doc filters index rst     M doc filters url encode rst     M doc functions index rst     M doc tags index rst     M doc tests index rst     M lib Twig Autoloader php     M lib Twig Compiler php     M lib Twig CompilerInterface php -10 more files modified  choose  v  to view the full list   It appears the last developer edited a lot of files inside vendor   In order to get around this  I tried   php composer phar update  lt package name gt    But that doesn t seem to work  How can I update install only one library from composer json

User · Answer

Just use composer require  package packagename   like composer require phpmailer phpmailer  if the package is not in the vendor folder   composer installs it and if the package exists  composer update package to the latest version

User · Answer

Difference between install  update and require  Assume the following scenario   composer json   parsecsv php-parsecsv    0      composer lock file     name    parsecsv php-parsecsv                version    0 1 4        Latest release is 1 1 0  The latest 0   release is 0 3 2    install     composer install parsecsv php-parsecsv  This will install version 0 1 4 as specified in the lock file  update  composer update parsecsv php-parsecsv  This will update the package to 0 3 2  The highest version with respect to your composer json  The entry in composer lock will be updated   require  composer require parsecsv php-parsecsv  This will update or install the newest version 1 1 0  Your composer lock file and composer json file will be updated as well

User · Answer

To ensure that composer update one package already installed to the last version within the version constraints you ve set in composer json remove the package from vendor and then execute    php composer phar update vendor package

User · Answer

If you just want to update a few packages and not all  you can list them as such   php composer phar update vendor package 2   vendor package2 dev-master   You can also use wildcards to update a bunch of packages at once   php composer phar update vendor      --prefer-source  Install packages from source when available  --prefer-dist  Install packages from dist when available  --ignore-platform-reqs  ignore php  hhvm  lib-  and ext-  requirements and force the installation even if the local machine does not fulfill these  See also the platform config option  --dry-run  Simulate the command without actually doing anything  --dev  Install packages listed in require-dev  this is the default behavior   --no-dev  Skip installing packages listed in require-dev  The autoloader generation skips the autoload-dev rules  --no-autoloader  Skips autoloader generation  --no-scripts  Skips execution of scripts defined in composer json  --no-plugins  Disables plugins  --no-progress  Removes the progress display that can mess with some terminals or scripts which don t handle backspace characters  --optimize-autoloader  -o   Convert PSR-0 4 autoloading to classmap to get a faster autoloader  This is recommended especially for production  but can take a bit of time to run so it is currently not done by default  --lock  Only updates the lock file hash to suppress warning about the lock file being out of date  --with-dependencies  Add also all dependencies of whitelisted packages to the whitelist  --prefer-stable  Prefer stable versions of dependencies  --prefer-lowest  Prefer lowest versions of dependencies  Useful for testing minimal versions of requirements  generally used with --prefer-stable

User · Answer

You can use the following command to update any module with its dependencies  composer update vendor-name module-name --with-dependencies

User · Answer

You can basically do following one to install new package as well   php composer phar require   then terminal will ask you to enter the name of the package for searching     Search for a package       Your package name here   Then terminal will ask the version of the package  If you would like to have the latest version just leave it blank     Enter the version constraint to require  or leave blank to use the latest version        your version number here   Then you just press the return key  Terminal will ask for another package  if you dont want to install another one just press the return key and you will be done

User · Answer

To install doctrine doctrine-fixtures-bundle with version 2 1   and minimum stability  dev use this  composer require doctrine doctrine-fixtures-bundle 2 1   dev  then to update only this single package  composer update doctrine doctrine-fixtures-bundle

User · Answer

Because you wanted to install specific package  I need to install only 1 package for my SF2 distribution  DoctrineFixtures     php composer phar require package package-name package-version would be enough

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