Piwik\Plugins\CorePluginsAdmin\PluginInstaller::makeSureThereAreNoMissingRequirements PHP Method

    private function makeSureThereAreNoMissingRequirements($metadata)
    {
        $requires = array();
        if (!empty($metadata->require)) {
            $requires = (array) $metadata->require;
        }
        $dependency = new PluginDependency();
        $dependency->setEnvironment($this->marketplaceClient->getEnvironment());
        $missingDependencies = $dependency->getMissingDependencies($requires);
        if (!empty($missingDependencies)) {
            $message = '';
            foreach ($missingDependencies as $dep) {
                if (empty($dep['actualVersion'])) {
                    $params = array(ucfirst($dep['requirement']), $dep['requiredVersion'], $metadata->name);
                    $message .= Piwik::translate('CorePluginsAdmin_MissingRequirementsPleaseInstallNotice', $params);
                } else {
                    $params = array(ucfirst($dep['requirement']), $dep['actualVersion'], $dep['requiredVersion']);
                    $message .= Piwik::translate('CorePluginsAdmin_MissingRequirementsNotice', $params);
                }
            }
            throw new PluginInstallerException($message);
        }
    }