src/Composer/Installer/InstallationManager.php
public function getInstaller($type)
    {
        $type = strtolower($type);

        if (isset($this->cache[$type])) {
            return $this->cache[$type];
        }

        foreach ($this->installers as $installer) {
            if ($installer->supports($type)) {
                return $this->cache[$type] = $installer;
            }
        }

        throw new \InvalidArgumentException('Unknown installer type: '.$type);
    }
public function getInstaller($type)
    {
        $type = strtolower($type);

        if (isset($this->cache[$type])) {
            return $this->cache[$type];
        }

        foreach ($this->installers as $installer) {
            if ($installer->supports($type)) {
                return $this->cache[$type] = $installer;
            }
        }

        throw new \InvalidArgumentException('Unknown installer type: '.$type);
    }
public function getInstaller ( $ type ) { $ type = strtolower ( $ type ) ; if ( isset ( $ this -> cache [ $ type ] ) ) { return $ this -> cache [ $ type ] ; } foreach ( $ this -> installers as $ installer ) { if ( $ installer -> supports ( $ type ) ) { return $ this -> cache [ $ type ] = $ installer ; } } throw new \ InvalidArgumentException ( 'Unknown installer type: ' . $ type ) ; }
Returns installer for a specific package type.

@param string $type package type

@throws \InvalidArgumentException if installer for provided type is not registered
@return InstallerInterface
Returns installer for a specific package type .