관리-도구

편집 파일: command_4.php

<?php

use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;

//Ensure has single blank line after any text and a title
return function (InputInterface $input, OutputInterface $output) {
    $output = new SymfonyStyle($input, $output);

$output->write('Lorem ipsum dolor sit amet');
    $output->title('First title');

$output->writeln('Lorem ipsum dolor sit amet');
    $output->title('Second title');

$output->write('Lorem ipsum dolor sit amet');
    $output->write('');
    $output->title('Third title');

//Ensure edge case by appending empty strings to history:
    $output->write('Lorem ipsum dolor sit amet');
    $output->write(['', '', '']);
    $output->title('Fourth title');

//Ensure have manual control over number of blank lines:
    $output->writeln('Lorem ipsum dolor sit amet');
    $output->writeln(['', '']); //Should append an extra blank line
    $output->title('Fifth title');

$output->writeln('Lorem ipsum dolor sit amet');
    $output->newLine(2); //Should append an extra blank line
    $output->title('Fifth title');
};