protected function checkRequirements(OutputInterface $output)
    {
        $output->write('Checking requirements...');
        $errors = false;

        // Check PHP version:
        if (!(version_compare(PHP_VERSION, '5.3.8') >= 0)) {
            $output->writeln('');
            $output->writeln('<error>'.Lang::get('phpci_php_req').'</error>');
            $errors = true;
        }

        // Check required extensions are present:
        $requiredExtensions = array('PDO', 'pdo_mysql');

        foreach ($requiredExtensions as $extension) {
            if (!extension_loaded($extension)) {
                $output->writeln('');
                $output->writeln('<error>'.Lang::get('extension_required', $extension).'</error>');
                $errors = true;
            }
        }

        // Check required functions are callable:
        $requiredFunctions = array('exec', 'shell_exec');

        foreach ($requiredFunctions as $function) {
            if (!function_exists($function)) {
                $output->writeln('');
                $output->writeln('<error>'.Lang::get('function_required', $function).'</error>');
                $errors = true;
            }
        }

        if (!function_exists('password_hash')) {
            $output->writeln('');
            $output->writeln('<error>'.Lang::get('function_required', $function).'</error>');
            $errors = true;
        }

        if ($errors) {
            throw new Exception(Lang::get('requirements_not_met'));
        }

        $output->writeln(' <info>'.Lang::get('ok').'</info>');
        $output->writeln('');
    }
protected function checkRequirements(OutputInterface $output)
    {
        $output->write('Checking requirements...');
        $errors = false;

        // Check PHP version:
        if (!(version_compare(PHP_VERSION, '5.3.8') >= 0)) {
            $output->writeln('');
            $output->writeln('<error>'.Lang::get('phpci_php_req').'</error>');
            $errors = true;
        }

        // Check required extensions are present:
        $requiredExtensions = array('PDO', 'pdo_mysql');

        foreach ($requiredExtensions as $extension) {
            if (!extension_loaded($extension)) {
                $output->writeln('');
                $output->writeln('<error>'.Lang::get('extension_required', $extension).'</error>');
                $errors = true;
            }
        }

        // Check required functions are callable:
        $requiredFunctions = array('exec', 'shell_exec');

        foreach ($requiredFunctions as $function) {
            if (!function_exists($function)) {
                $output->writeln('');
                $output->writeln('<error>'.Lang::get('function_required', $function).'</error>');
                $errors = true;
            }
        }

        if (!function_exists('password_hash')) {
            $output->writeln('');
            $output->writeln('<error>'.Lang::get('function_required', $function).'</error>');
            $errors = true;
        }

        if ($errors) {
            throw new Exception(Lang::get('requirements_not_met'));
        }

        $output->writeln(' <info>'.Lang::get('ok').'</info>');
        $output->writeln('');
    }
protected function checkRequirements ( OutputInterface $ output ) { $ output -> write ( 'Checking requirements...' ) ; $ errors = false ; // Check PHP version: if ( ! ( version_compare ( PHP_VERSION , '5.3.8' ) >= 0 ) ) { $ output -> writeln ( '' ) ; $ output -> writeln ( '<error>' . Lang :: get ( 'phpci_php_req' ) . '</error>' ) ; $ errors = true ; } // Check required extensions are present: $ requiredExtensions = array ( 'PDO' , 'pdo_mysql' ) ; foreach ( $ requiredExtensions as $ extension ) { if ( ! extension_loaded ( $ extension ) ) { $ output -> writeln ( '' ) ; $ output -> writeln ( '<error>' . Lang :: get ( 'extension_required' , $ extension ) . '</error>' ) ; $ errors = true ; } } // Check required functions are callable: $ requiredFunctions = array ( 'exec' , 'shell_exec' ) ; foreach ( $ requiredFunctions as $ function ) { if ( ! function_exists ( $ function ) ) { $ output -> writeln ( '' ) ; $ output -> writeln ( '<error>' . Lang :: get ( 'function_required' , $ function ) . '</error>' ) ; $ errors = true ; } } if ( ! function_exists ( 'password_hash' ) ) { $ output -> writeln ( '' ) ; $ output -> writeln ( '<error>' . Lang :: get ( 'function_required' , $ function ) . '</error>' ) ; $ errors = true ; } if ( $ errors ) { throw new Exception ( Lang :: get ( 'requirements_not_met' ) ) ; } $ output -> writeln ( ' <info>' . Lang :: get ( 'ok' ) . '</info>' ) ; $ output -> writeln ( '' ) ; }
Check PHP version, required modules and for disabled functions.

@param  OutputInterface $output
@throws \Exception
Check PHP version required modules and for disabled functions .