composer

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Command-line interface / Commands

You've already learned how to use the command-line interface to do some things. This chapter documents all the available commands.

To get help from the command-line, simply call composer or composer list to see the complete list of commands, then --help combined with any of those can give you more information.

As Composer uses symfony/console you can call commands by short name if it's not ambiguous.

composer dump

calls composer dump-autoload.

Global Options

The following options are available with every command:

--verbose (-v): Increase verbosity of messages.
--help (-h): Display help information.
--quiet (-q): Do not output any message.
--no-interaction (-n): Do not ask any interactive question.
--no-plugins: Disables plugins.
--no-cache: Disables the use of the cache directory. Same as setting the COMPOSER_CACHE_DIR env var to /dev/null (or NUL on Windows).
--working-dir (-d): If specified, use the given directory as working directory.
--profile: Display timing and memory usage information
--ansi: Force ANSI output.
--no-ansi: Disable ANSI output.
--version (-V): Display this application version.

Process Exit Codes

0: OK
1: Generic/unknown error code
2: Dependency solving error code

init

In the Libraries chapter we looked at how to create a composer.json by hand. There is also an init command available that makes it a bit easier to do this.

When you run the command it will interactively ask you to fill in the fields, while using some smart defaults.

php composer.phar init

Options

--name: Name of the package.
--description: Description of the package.
--author: Author name of the package.
--type: Type of package.
--homepage: Homepage of the package.
--require: Package to require with a version constraint. Should be in format foo/bar:1.0.0.
--require-dev: Development requirements, see --require.
--stability (-s): Value for the minimum-stability field.
--license (-l): License of package.
--repository: Provide one (or more) custom repositories. They will be stored in the generated composer.json, and used for auto-completion when prompting for the list of requires. Every repository can be either an HTTP URL pointing to a composer repository or a JSON string which similar to what the repositories key accepts.

install / i

The install command reads the composer.json file from the current directory, resolves the dependencies, and installs them into vendor.

php composer.phar install

If there is a composer.lock file in the current directory, it will use the exact versions from there instead of resolving them. This ensures that everyone using the library will get the same versions of the dependencies.

If there is no composer.lock file, Composer will create one after dependency resolution.

Options

--prefer-source: There are two ways of downloading a package: source and dist. For stable versions Composer will use the dist by default. The source is a version control repository. If --prefer-source is enabled, Composer will install from source if there is one. This is useful if you want to make a bugfix to a project and get a local git clone of the dependency directly.
--prefer-dist: Reverse of --prefer-source, Composer will install from dist if possible. This can speed up installs substantially on build servers and other use cases where you typically do not run updates of the vendors. It is also a way to circumvent problems with git if you do not have a proper setup.
--dry-run: If you want to run through an installation without actually installing a package, you can use --dry-run. This will simulate the installation and show you what would happen.
--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-progress: Removes the progress display that can mess with some terminals or scripts which don't handle backspace characters.
--no-suggest: Skips suggested packages in the output.
--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.
--classmap-authoritative (-a): Autoload classes from the classmap only. Implicitly enables --optimize-autoloader.
--apcu-autoloader: Use APCu to cache found/not-found classes.
--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.

update / u

In order to get the latest versions of the dependencies and to update the composer.lock file, you should use the update command. This command is also aliased as upgrade as it does the same as upgrade does if you are thinking of apt-get or similar package managers.

php composer.phar update

This will resolve all dependencies of the project and write the exact versions into composer.lock.

If you only want to update a few packages and not all, you can list them as such:

php composer.phar update vendor/package vendor/package2

You can also use wildcards to update a bunch of packages at once:

php composer.phar update "vendor/*"

Options

--prefer-source: Install packages from source when available.
--prefer-dist: Install packages from dist when available.
--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.
--lock: Only updates the lock file hash to suppress warning about the lock file being out of date.
--no-autoloader: Skips autoloader generation.
--no-scripts: Skips execution of scripts defined in composer.json.
--no-progress: Removes the progress display that can mess with some terminals or scripts which don't handle backspace characters.
--no-suggest: Skips suggested packages in the output.
--with-dependencies: Add also dependencies of whitelisted packages to the whitelist, except those that are root requirements.
--with-all-dependencies: Add also all dependencies of whitelisted packages to the whitelist, including those that are root requirements.
--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.
--classmap-authoritative (-a): Autoload classes from the classmap only. Implicitly enables --optimize-autoloader.
--apcu-autoloader: Use APCu to cache found/not-found classes.
--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.
--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.
--interactive: Interactive interface with autocompletion to select the packages to update.
--root-reqs: Restricts the update to your first degree dependencies.

require

The require command adds new packages to the composer.json file from the current directory. If no file exists one will be created on the fly.

php composer.phar require

After adding/changing the requirements, the modified requirements will be installed or updated.

If you do not want to choose requirements interactively, you can pass them to the command.

php composer.phar require vendor/package:2.* vendor/package2:dev-master

If you do not specify a package, composer will prompt you to search for a package, and given results, provide a list of matches to require.

Options

--dev: Add packages to require-dev.
--prefer-source: Install packages from source when available.
--prefer-dist: Install packages from dist when available.
--no-progress: Removes the progress display that can mess with some terminals or scripts which don't handle backspace characters.
--no-suggest: Skips suggested packages in the output.
--no-update: Disables the automatic update of the dependencies.
--no-scripts: Skips execution of scripts defined in composer.json.
--update-no-dev: Run the dependency update with the --no-dev option.
--update-with-dependencies: Also update dependencies of the newly required packages, except those that are root requirements.
--update-with-all-dependencies: Also update dependencies of the newly required packages, including those that are root requirements.
--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.
--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.
--sort-packages: Keep packages sorted in composer.json.
--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.
--classmap-authoritative (-a): Autoload classes from the classmap only. Implicitly enables --optimize-autoloader.
--apcu-autoloader: Use APCu to cache found/not-found classes.

remove

The remove command removes packages from the composer.json file from the current directory.

php composer.phar remove vendor/package vendor/package2

After removing the requirements, the modified requirements will be uninstalled.

Options

--dev: Remove packages from require-dev.
--no-progress: Removes the progress display that can mess with some terminals or scripts which don't handle backspace characters.
--no-update: Disables the automatic update of the dependencies.
--no-scripts: Skips execution of scripts defined in composer.json.
--update-no-dev: Run the dependency update with the --no-dev option.
--update-with-dependencies: Also update dependencies of the removed packages.
--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.
--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.
--classmap-authoritative (-a): Autoload classes from the classmap only. Implicitly enables --optimize-autoloader.
--apcu-autoloader: Use APCu to cache found/not-found classes.

check-platform-reqs

The check-platform-reqs command checks that your PHP and extensions versions match the platform requirements of the installed packages. This can be used to verify that a production server has all the extensions needed to run a project after installing it for example.

Unlike update/install, this command will ignore config.platform settings and check the real platform packages so you can be certain you have the required platform dependencies.

global

The global command allows you to run other commands like install, remove, require or update as if you were running them from the COMPOSER_HOME directory.

This is merely a helper to manage a project stored in a central location that can hold CLI tools or Composer plugins that you want to have available everywhere.

This can be used to install CLI utilities globally. Here is an example:

php composer.phar global require friendsofphp/php-cs-fixer

Now the php-cs-fixer binary is available globally. Make sure your global vendor binaries directory is in your $PATH environment variable, you can get its location with the following command :

php composer.phar global config bin-dir --absolute

If you wish to update the binary later on you can run a global update:

php composer.phar global update

search

The search command allows you to search through the current project's package repositories. Usually this will be packagist. You simply pass it the terms you want to search for.

php composer.phar search monolog

You can also search for more than one term by passing multiple arguments.

Options

--only-name (-N): Search only in name.
--type (-t): Search for a specific package type.

show

To list all of the available packages, you can use the show command.

php composer.phar show

To filter the list you can pass a package mask using wildcards.

php composer.phar show monolog/*

monolog/monolog 1.19.0 Sends your logs to files, sockets, inboxes, databases and various web services

If you want to see the details of a certain package, you can pass the package name.

php composer.phar show monolog/monolog

name     : monolog/monolog
versions : master-dev, 1.0.2, 1.0.1, 1.0.0, 1.0.0-RC1
type     : library
names    : monolog/monolog
source   : [git] https://github.com/Seldaek/monolog.git 3d4e60d0cbc4b888fe5ad223d77964428b1978da
dist     : [zip] https://github.com/Seldaek/monolog/zipball/3d4e60d0cbc4b888fe5ad223d77964428b1978da 3d4e60d0cbc4b888fe5ad223d77964428b1978da
license  : MIT

autoload
psr-0
Monolog : src/

requires
php >=5.3.0

You can even pass the package version, which will tell you the details of that specific version.

php composer.phar show monolog/monolog 1.0.2

Options

--all : List all packages available in all your repositories.
--installed (-i): List the packages that are installed (this is enabled by default, and deprecated).
--platform (-p): List only platform packages (php & extensions).
--available (-a): List available packages only.
--self (-s): List the root package info.
--name-only (-N): List package names only.
--path (-P): List package paths.
--tree (-t): List your dependencies as a tree. If you pass a package name it will show the dependency tree for that package.
--latest (-l): List all installed packages including their latest version.
--outdated (-o): Implies --latest, but this lists only packages that have a newer version available.
--minor-only (-m): Use with --latest. Only shows packages that have minor SemVer-compatible updates.
--direct (-D): Restricts the list of packages to your direct dependencies.
--strict: Return a non-zero exit code when there are outdated packages.
--format (-f): Lets you pick between text (default) or json output format.

outdated

The outdated command shows a list of installed packages that have updates available, including their current and latest versions. This is basically an alias for composer show -lo.

The color coding is as such:

green (=): Dependency is in the latest version and is up to date.
yellow (~): Dependency has a new version available that includes backwards compatibility breaks according to semver, so upgrade when you can but it may involve work.
red (!): Dependency has a new version that is semver-compatible and you should upgrade it.

Options

--all (-a): Show all packages, not just outdated (alias for composer show -l).
--direct (-D): Restricts the list of packages to your direct dependencies.
--strict: Returns non-zero exit code if any package is outdated.
--minor-only (-m): Only shows packages that have minor SemVer-compatible updates.
--format (-f): Lets you pick between text (default) or json output format.

browse / home

The browse (aliased to home) opens a package's repository URL or homepage in your browser.

Options

--homepage (-H): Open the homepage instead of the repository URL.
--show (-s): Only show the homepage or repository URL.

suggests

Lists all packages suggested by currently installed set of packages. You can optionally pass one or multiple package names in the format of vendor/package to limit output to suggestions made by those packages only.

Use the --by-package or --by-suggestion flags to group the output by the package offering the suggestions or the suggested packages respectively.

Use the --verbose (-v) flag to display the suggesting package and the suggestion reason. This implies --by-package --by-suggestion, showing both lists.

Options

--by-package: Groups output by suggesting package.
--by-suggestion: Groups output by suggested package.
--no-dev: Excludes suggestions from require-dev packages.

depends (why)

The depends command tells you which other packages depend on a certain package. As with installation require-dev relationships are only considered for the root package.

php composer.phar depends doctrine/lexer
 doctrine/annotations v1.2.7 requires doctrine/lexer (1.*)
 doctrine/common      v2.6.1 requires doctrine/lexer (1.*)

You can optionally specify a version constraint after the package to limit the search.

Add the --tree or -t flag to show a recursive tree of why the package is depended upon, for example:

php composer.phar depends psr/log -t
psr/log 1.0.0 Common interface for logging libraries
|- aboutyou/app-sdk 2.6.11 (requires psr/log 1.0.*)
|  `- __root__ (requires aboutyou/app-sdk ^2.6)
|- monolog/monolog 1.17.2 (requires psr/log ~1.0)
|  `- laravel/framework v5.2.16 (requires monolog/monolog ~1.11)
|     `- __root__ (requires laravel/framework ^5.2)
`- symfony/symfony v3.0.2 (requires psr/log ~1.0)
   `- __root__ (requires symfony/symfony ^3.0)

Options

--recursive (-r): Recursively resolves up to the root package.
--tree (-t): Prints the results as a nested tree, implies -r.

prohibits (why-not)

The prohibits command tells you which packages are blocking a given package from being installed. Specify a version constraint to verify whether upgrades can be performed in your project, and if not why not. See the following example:

php composer.phar prohibits symfony/symfony 3.1
 laravel/framework v5.2.16 requires symfony/var-dumper (2.8.*|3.0.*)

Note that you can also specify platform requirements, for example to check whether you can upgrade your server to PHP 8.0:

php composer.phar prohibits php:8
 doctrine/cache        v1.6.0 requires php (~5.5|~7.0)
 doctrine/common       v2.6.1 requires php (~5.5|~7.0)
 doctrine/instantiator 1.0.5  requires php (>=5.3,<8.0-DEV)

As with depends you can request a recursive lookup, which will list all packages depending on the packages that cause the conflict.

Options

--recursive (-r): Recursively resolves up to the root package.
--tree (-t): Prints the results as a nested tree, implies -r.

validate

You should always run the validate command before you commit your composer.json file, and before you tag a release. It will check if your composer.json is valid.

php composer.phar validate

Options

--no-check-all: Do not emit a warning if requirements in composer.json use unbound or overly strict version constraints.
--no-check-lock: Do not emit an error if composer.lock exists and is not up to date.
--no-check-publish: Do not emit an error if composer.json is unsuitable for publishing as a package on Packagist but is otherwise valid.
--with-dependencies: Also validate the composer.json of all installed dependencies.
--strict: Return a non-zero exit code for warnings as well as errors.

status

If you often need to modify the code of your dependencies and they are installed from source, the status command allows you to check if you have local changes in any of them.

php composer.phar status

With the --verbose option you get some more information about what was changed:

php composer.phar status -v

You have changes in the following dependencies:
vendor/seld/jsonlint:
    M README.mdown

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.

php composer.phar self-update

If you would like to instead update to a specific release simply specify it:

php composer.phar self-update 1.0.0-alpha7

If you have installed Composer for your entire system (see global installation), you may have to run the command with root privileges

sudo -H composer self-update

Options

--rollback (-r): Rollback to the last version you had installed.
--clean-backups: Delete old backups during an update. This makes the current version of Composer the only backup available after the update.
--no-progress: Do not output download progress.
--update-keys: Prompt user for a key update.
--stable: Force an update to the stable channel.
--preview: Force an update to the preview channel.
--snapshot: Force an update to the snapshot channel.

config

The config command allows you to edit composer config settings and repositories in either the local composer.json file or the global config.json file.

Additionally it lets you edit most properties in the local composer.json.

php composer.phar config --list

Usage

config [options] [setting-key] [setting-value1] ... [setting-valueN]

setting-key is a configuration option name and setting-value1 is a configuration value. For settings that can take an array of values (like github-protocols), more than one setting-value arguments are allowed.

You can also edit the values of the following properties:

description, homepage, keywords, license, minimum-stability, name, prefer-stable, type and version.

See the Config chapter for valid configuration options.

Options

--global (-g): Operate on the global config file located at $COMPOSER_HOME/config.json by default. Without this option, this command affects the local composer.json file or a file specified by --file.
--editor (-e): Open the local composer.json file using in a text editor as defined by the EDITOR env variable. With the --global option, this opens the global config file.
--auth (-a): Affect auth config file (only used for --editor).
--unset: Remove the configuration element named by setting-key.
--list (-l): Show the list of current config variables. With the --global option this lists the global configuration only.
--file="..." (-f): Operate on a specific file instead of composer.json. Note that this cannot be used in conjunction with the --global option.
--absolute: Returns absolute paths when fetching *-dir config values instead of relative.

Modifying Repositories

In addition to modifying the config section, the config command also supports making changes to the repositories section by using it the following way:

php composer.phar config repositories.foo vcs https://github.com/foo/bar

If your repository requires more configuration options, you can instead pass its JSON representation :

php composer.phar config repositories.foo '{"type": "vcs", "url": "http://svn.example.org/my-project/", "trunk-path": "master"}'

Modifying Extra Values

In addition to modifying the config section, the config command also supports making changes to the extra section by using it the following way:

php composer.phar config extra.foo.bar value

The dots indicate array nesting, a max depth of 3 levels is allowed though. The above would set "extra": { "foo": { "bar": "value" } }.

create-project

You can use Composer to create new projects from an existing package. This is the equivalent of doing a git clone/svn checkout followed by a composer install of the vendors.

There are several applications for this:

You can deploy application packages.
You can check out any package and start developing on patches for example.
Projects with multiple developers can use this feature to bootstrap the initial application for development.

To create a new project using Composer you can use the create-project command. Pass it a package name, and the directory to create the project in. You can also provide a version as third argument, otherwise the latest version is used.

If the directory does not currently exist, it will be created during installation.

php composer.phar create-project doctrine/orm path 2.2.*

It is also possible to run the command without params in a directory with an existing composer.json file to bootstrap a project.

By default the command checks for the packages on packagist.org.

Options

--stability (-s): Minimum stability of package. Defaults to stable.
--prefer-source: Install packages from source when available.
--prefer-dist: Install packages from dist when available.
--repository: Provide a custom repository to search for the package, which will be used instead of packagist. Can be either an HTTP URL pointing to a composer repository, a path to a local packages.json file, or a JSON string which similar to what the repositories key accepts.
--dev: Install packages listed in require-dev.
--no-dev: Disables installation of require-dev packages.
--no-scripts: Disables the execution of the scripts defined in the root package.
--no-progress: Removes the progress display that can mess with some terminals or scripts which don't handle backspace characters.
--no-secure-http: Disable the secure-http config option temporarily while installing the root package. Use at your own risk. Using this flag is a bad idea.
--keep-vcs: Skip the deletion of the VCS metadata for the created project. This is mostly useful if you run the command in non-interactive mode.
--remove-vcs: Force-remove the VCS metadata without prompting.
--no-install: Disables installation of the vendors.
--ignore-platform-reqs: ignore php, hhvm, lib-* and ext-* requirements and force the installation even if the local machine does not fulfill these.

dump-autoload (dumpautoload)

If you need to update the autoloader because of new classes in a classmap package for example, you can use dump-autoload to do that without having to go through an install or update.

Additionally, it can dump an optimized autoloader that converts PSR-0/4 packages into classmap ones for performance reasons. In large applications with many classes, the autoloader can take up a substantial portion of every request's time. Using classmaps for everything is less convenient in development, but using this option you can still use PSR-0/4 for convenience and classmaps for performance.

Options

--no-scripts: Skips the execution of all scripts defined in composer.json file.
--optimize (-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.
--classmap-authoritative (-a): Autoload classes from the classmap only. Implicitly enables --optimize.
--apcu: Use APCu to cache found/not-found classes.
--no-dev: Disables autoload-dev rules.

clear-cache (clearcache)

Deletes all content from Composer's cache directories.

licenses

Lists the name, version and license of every package installed. Use --format=json to get machine readable output.

Options

--format: Format of the output: text or json (default: "text")
--no-dev: Remove dev dependencies from the output

run-script

Options

--timeout: Set the script timeout in seconds, or 0 for no timeout.
--dev: Sets the dev mode.
--no-dev: Disable dev mode.
--list (-l): List user defined scripts.

To run scripts manually you can use this command, give it the script name and optionally any required arguments.

exec

Executes a vendored binary/script. You can execute any command and this will ensure that the Composer bin-dir is pushed on your PATH before the command runs.

Options

--list (-l): List the available composer binaries.

diagnose

If you think you found a bug, or something is behaving strangely, you might want to run the diagnose command to perform automated checks for many common problems.

php composer.phar diagnose

help

To get more information about a certain command, you can use help.

php composer.phar help install

Command-line completion

Command-line completion can be enabled by following instructions on this page.

Environment variables

You can set a number of environment variables that override certain settings. Whenever possible it is recommended to specify these settings in the config section of composer.json instead. It is worth noting that the env vars will always take precedence over the values specified in composer.json.

COMPOSER

By setting the COMPOSER env variable it is possible to set the filename of composer.json to something else.

For example:

COMPOSER=composer-other.json php composer.phar install

The generated lock file will use the same name: composer-other.lock in this example.

COMPOSER_ALLOW_SUPERUSER

If set to 1, this env disables the warning about running commands as root/super user. It also disables automatic clearing of sudo sessions, so you should really only set this if you use Composer as super user at all times like in docker containers.

COMPOSER_AUTH

The COMPOSER_AUTH var allows you to set up authentication as an environment variable. The contents of the variable should be a JSON formatted object containing http-basic, github-oauth, bitbucket-oauth, ... objects as needed, and following the spec from the config.

COMPOSER_BIN_DIR

By setting this option you can change the bin (Vendor Binaries) directory to something other than vendor/bin.

COMPOSER_CACHE_DIR

The COMPOSER_CACHE_DIR var allows you to change the Composer cache directory, which is also configurable via the cache-dir option.

By default it points to $COMPOSER_HOME/cache on *nix and macOS, and C:\Users\<user>\AppData\Local\Composer (or %LOCALAPPDATA%/Composer) on Windows.

COMPOSER_CAFILE

By setting this environmental value, you can set a path to a certificate bundle file to be used during SSL/TLS peer verification.

COMPOSER_DISCARD_CHANGES

This env var controls the discard-changes config option.

COMPOSER_HOME

The COMPOSER_HOME var allows you to change the Composer home directory. This is a hidden, global (per-user on the machine) directory that is shared between all projects.

By default it points to C:\Users\<user>\AppData\Roaming\Composer on Windows and /Users/<user>/.composer on macOS. On *nix systems that follow the XDG Base Directory Specifications, it points to $XDG_CONFIG_HOME/composer. On other *nix systems, it points to /home/<user>/.composer.

COMPOSER_HOME/config.json

You may put a config.json file into the location which COMPOSER_HOME points to. Composer will merge this configuration with your project's composer.json when you run the install and update commands.

This file allows you to set repositories and configuration for the user's projects.

In case global configuration matches local configuration, the local configuration in the project's composer.json always wins.

COMPOSER_HTACCESS_PROTECT

Defaults to 1. If set to 0, Composer will not create .htaccess files in the composer home, cache, and data directories.

COMPOSER_MEMORY_LIMIT

If set, the value is used as php's memory_limit.

COMPOSER_MIRROR_PATH_REPOS

If set to 1, this env changes the default path repository strategy to mirror instead of symlink. As it is the default strategy being set it can still be overwritten by repository options.

COMPOSER_NO_INTERACTION

If set to 1, this env var will make Composer behave as if you passed the --no-interaction flag to every command. This can be set on build boxes/CI.

COMPOSER_PROCESS_TIMEOUT

This env var controls the time Composer waits for commands (such as git commands) to finish executing. The default value is 300 seconds (5 minutes).

COMPOSER_ROOT_VERSION

By setting this var you can specify the version of the root package, if it can not be guessed from VCS info and is not present in composer.json.

COMPOSER_VENDOR_DIR

By setting this var you can make Composer install the dependencies into a directory other than vendor.

http_proxy or HTTP_PROXY

If you are using Composer from behind an HTTP proxy, you can use the standard http_proxy or HTTP_PROXY env vars. Simply set it to the URL of your proxy. Many operating systems already set this variable for you.

Using http_proxy (lowercased) or even defining both might be preferable since some tools like git or curl will only use the lower-cased http_proxy version. Alternatively you can also define the git proxy using git config --global http.proxy <proxy url>.

If you are using Composer in a non-CLI context (i.e. integration into a CMS or similar use case), and need to support proxies, please provide the CGI_HTTP_PROXY environment variable instead. See httpoxy.org for further details.

HTTP_PROXY_REQUEST_FULLURI

If you use a proxy but it does not support the request_fulluri flag, then you should set this env var to false or 0 to prevent Composer from setting the request_fulluri option.

HTTPS_PROXY_REQUEST_FULLURI

If you use a proxy but it does not support the request_fulluri flag for HTTPS requests, then you should set this env var to false or 0 to prevent Composer from setting the request_fulluri option.

COMPOSER_SELF_UPDATE_TARGET

If set, makes the self-update command write the new Composer phar file into that path instead of overwriting itself. Useful for updating Composer on read-only filesystem.

no_proxy or NO_PROXY

If you are behind a proxy and would like to disable it for certain domains, you can use the no_proxy or NO_PROXY env var. Simply set it to a comma separated list of domains the proxy should not be used for.

The env var accepts domains, IP addresses, and IP address blocks in CIDR notation. You can restrict the filter to a particular port (e.g. :80). You can also set it to * to ignore the proxy for all HTTP requests.

← Libraries | Schema →

36 KiB Raw Blame History

Command-line interface / Commands

Global Options

Process Exit Codes

init

Options

install / i

Options

update / u

Options

require

Options

remove

Options

check-platform-reqs

global

search

Options

show

Options

outdated

Options

browse / home

Options

suggests

Options

depends (why)

Options

prohibits (why-not)

Options

validate

Options

status

self-update (selfupdate)

Options

config

Usage

Options

Modifying Repositories

Modifying Extra Values

create-project

Options

dump-autoload (dumpautoload)

Options

clear-cache (clearcache)

licenses

Options

run-script

Options

exec

Options

diagnose

archive

Options

help

Command-line completion

Environment variables

COMPOSER

COMPOSER_ALLOW_SUPERUSER

COMPOSER_AUTH

COMPOSER_BIN_DIR

COMPOSER_CACHE_DIR

COMPOSER_CAFILE

COMPOSER_DISCARD_CHANGES

COMPOSER_HOME

COMPOSER_HOME/config.json

COMPOSER_HTACCESS_PROTECT

COMPOSER_MEMORY_LIMIT

COMPOSER_MIRROR_PATH_REPOS

COMPOSER_NO_INTERACTION

COMPOSER_PROCESS_TIMEOUT

COMPOSER_ROOT_VERSION

COMPOSER_VENDOR_DIR

http_proxy or HTTP_PROXY

HTTP_PROXY_REQUEST_FULLURI

HTTPS_PROXY_REQUEST_FULLURI

COMPOSER_SELF_UPDATE_TARGET

no_proxy or NO_PROXY

36 KiB

Raw Blame History