PHP code example of mcrumm / pecan

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

mcrumm / pecan example snippets

use Pecan\Drupe;

$loop   = \React\EventLoop\Factory::create();
$shell  = new Drupe();

// Example one-time callback to write the initial prompt.
// This resumes reading from STDIN and kicks off the shell.
$shell->once('running', function (Drupe $shell) {
    $shell->setPrompt('drupe> ')->prompt();
});

// Example callback for the data event.
// By convention, any call to write() will be followed by a call to prompt() 
// once the data has been written to the output stream.
$shell->on('data', function ($line, Drupe $shell) {

    $command = (!$line && strlen($line) == 0) ? false : rtrim($line);

    if ('exit' === $command || false === $command) {
        $shell->close();
    } else {
        $shell->writeln(sprintf(PHP_EOL.'// in: %s', $line));
    }

});

// Example callback for the close event.
$shell->on('close', function ($code, Drupe $shell) {
    $shell->writeln([
        '// Goodbye.',
        sprintf('// Shell exits with code %d', $code),
    ]);
});

$shell->start($loop)->run();

// Pecan\Shell wraps a standard Console Application.
use Symfony\Component\Console\Application;
use Pecan\Shell;

$shell = new Shell(new Application('pecan'));

$shell->on('data', function($line, Shell $shell) {
    $shell->write($line)->then(function($shell) {
        $shell->close();
    });
});

$shell->run();

use Symfony\Component\Console\Application;
use Pecan\Shell;

$loop  = \React\EventLoop\Factory::create();

// Do other things requiring $loop...

$shell = new Shell(new Application('pecan'), $loop);

// We must still let the shell run the EventLoop.
$shell->run();

// Example callback for the exit event.
$shell->on('exit', function($code, \Pecan\Shell $shell) {
    $shell->emit('output', [
        [
            'Goodbye.',
            sprintf('// Shell exits with code %d', $code)
        ],
        true
    ]);
});