# pecl > Manage PHP extensions from the PHP Extension Community Library. > More information: . - Display a list of available commands: `pecl` - Install a package: `pecl install {{package}}` - List installed packages: `pecl list` - Upgrade all packages: `pecl upgrade` - Upgrade a specific package: `pecl upgrade {{package}}` - Uninstall a specific package: `pecl uninstall {{package}}` - Display information about a specific package: `pecl info {{package}}` - Update the available package sources: `pecl update-channels`