I run this:
/usr/local/php/p56/bin/php composer.phar update
Loading composer repositories with package information
Updating dependencies (including require-dev)
- Removing composer/semver (1.4.2)
- Removing wikimedia/composer-merge-plugin (v1.3.1)
- Removing param-processor/param-processor (1.3.1)
- Installing symfony/polyfill-mbstring (v1.2.0)
Downloading: 100%
- Installing symfony/console (v2.8.11)
Downloading: 100%
- Installing symfony/yaml (v3.1.4)
Downloading: 100%
- Installing sebastian/version (2.0.0)
Downloading: 100%
- Installing sebastian/resource-operations (1.0.0)
Downloading: 100%
- Installing sebastian/recursion-context (1.0.2)
Downloading: 100%
- Installing sebastian/object-enumerator (1.0.0)
Downloading: 100%
- Installing sebastian/global-state (1.1.1)
Downloading: 100%
- Installing sebastian/exporter (1.2.2)
Downloading: 100%
- Installing sebastian/environment (1.3.8)
Downloading: 100%
- Installing sebastian/diff (1.4.1)
Downloading: 100%
- Installing sebastian/comparator (1.2.0)
Downloading: 100%
- Installing doctrine/instantiator (1.0.5)
Downloading: 100%
- Installing phpunit/php-text-template (1.2.1)
Loading from cache
- Installing phpunit/phpunit-mock-objects (3.2.7)
Downloading: 100%
- Installing phpunit/php-timer (1.0.8)
Loading from cache
- Installing phpunit/php-file-iterator (1.4.1)
Loading from cache
- Installing sebastian/code-unit-reverse-lookup (1.0.0)
Downloading: 100%
- Installing phpunit/php-token-stream (1.4.8)
Downloading: 100%
- Installing phpunit/php-code-coverage (4.0.1)
Downloading: 100%
- Installing webmozart/assert (1.1.0)
Downloading: 100%
- Installing phpdocumentor/reflection-common (1.0)
Downloading: 100%
- Installing phpdocumentor/type-resolver (0.2)
Downloading: 100%
- Installing phpdocumentor/reflection-docblock (3.1.0)
Downloading: 100%
- Installing phpspec/prophecy (v1.6.1)
Downloading: 100%
- Installing myclabs/deep-copy (1.5.4)
Downloading: 100%
- Installing phpunit/phpunit (5.5.5)
Downloading: 100%
- Installing ockcyp/covers-validator (v0.4.0)
Downloading: 100%
- Installing squizlabs/php_codesniffer (2.7.0)
Downloading: 100%
- Installing symfony/filesystem (v3.1.4)
Downloading: 100%
- Installing symfony/dependency-injection (v3.1.4)
Downloading: 100%
- Installing symfony/config (v3.1.4)
Downloading: 100%
- Installing pdepend/pdepend (2.2.4)
Downloading: 100%
- Installing phpmd/phpmd (2.4.3)
Downloading: 100%
symfony/console suggests installing symfony/event-dispatcher ()
symfony/console suggests installing symfony/process ()
symfony/console suggests installing psr/log (For using the console logger)
sebastian/global-state suggests installing ext-uopz (*)
phpunit/php-code-coverage suggests installing ext-xdebug (>=2.4.0)
phpunit/phpunit suggests installing phpunit/php-invoker (~1.1)
phpunit/phpunit suggests installing ext-xdebug (*)
symfony/dependency-injection suggests installing symfony/expression-language (For using expressions in service container configuration)
symfony/dependency-injection suggests installing symfony/proxy-manager-bridge (Generate service proxies to lazy load them)
Writing lock file
Generating autoload files
But now I get some error:
[budrysl2@s53:: ~/domains/westeros.com.pl/public_html/maintenance ]:$ php update.php
MediaWiki 1.26.3 Updater
symfony/finder: 3.1.1 installed, ^3.1 required.
param-processor/param-processor: not installed, ~1.0 required.
Error: your composer.lock file is not up to date, run "composer update" to install newer dependencies