I'm using the Composer Dependency Manager for PHP and it won't install the latest version of a package. How can I identify what is holding back composer from installing the latest version?
For example, I have symfony/console
in the composer.json
versioned as:
"symfony/console": "~3.1",
If I run composer outdated
it shows I have symfony/console
version 3.1.4 installed, and that version 3.3.5 is available and semver-compatible.
$ composer outdated --no-ansi
symfony/console v3.1.4 ! v3.3.5 Symfony Console Component
However, if I perform a dry-run of the update, it will only being me up as far as version 3.2.12.
$ composer update --dry-run --with-dependencies symfony/console
Loading composer repositories with package information
Updating dependencies (including require-dev)
Package operations: 2 installs, 2 updates, 0 removals
- Updating symfony/polyfill-mbstring (v1.2.0) to symfony/polyfill-mbstring (v1.4.0)
- Installing psr/log (1.0.2)
- Installing symfony/debug (v3.3.5)
- Updating symfony/console (v3.1.4) to symfony/console (v3.2.12)
How can I identify what is holding symfony/console
back at version 3.2.12 when 3.3.5 is the latest?
self-update / selfupdate# To update Composer itself to the latest version, run the self-update command. It will replace your composer.phar with the latest version. If Composer was not installed as a PHAR, this command is not available.
Why is composer not installing? Make sure you have no problems with your setup by running the installer's checks via curl -sS https://getcomposer.org/installer | php — –check . Try clearing Composer's cache by running composer clear-cache . Ensure you're installing vendors straight from your composer.
Updating and Uninstalling Composer From there, you can verify Composer's installation by running --version command from the terminal. If the command returns the version code, it means the Composer is installed, and you are ready for the next steps.
The prohibits
or why-not
command will show what is blocking a version.
$ composer prohibits symfony/console 3.3.5
symfony/console v3.3.5 conflicts symfony/dependency-injection (<3.3)
Documentation here.
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