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Revision: Thu, 18 Apr 2024 09:24:14 GMT
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Console - User Commands

You can add new console commands to your application or register plugin commands using bootloaders. By default, the Console component configured to automatically find commands in the app/src directory.

To add a new symfony/console based Command, simply drop it into your application.

Command class

To create a new command, you can either extend Symfony\Component\Console\Command\Command or Spiral\Console\Command which provides some syntax sugar.

php
use Spiral\Console\Command;

class MyCommand extends Command
{
    const NAME        = 'my:command';
    const DESCRIPTION = 'This is my command';

    const ATTRIBUTES = [];
    const OPTIONS    = [];

    /**
     * Perform command
     */
    protected function perform(): int
    {
        // do something special...
        return self::SUCCESS;
    }
}

Use constants NAME and DESCRIPTION to give a name to your Command. You can invoke it now using:

php app.php my:command

Arguments and Options

Spiral's Command class makes it easy to define needed arguments and options:

php
const ARGUMENTS = [
    ['argument', InputArgument::REQUIRED, 'Argument name.']
];
    
const OPTIONS = [
    ['option', 'c', InputOption::VALUE_NONE, 'Some option.']
];

To get user's data via arguments and/or options, you can make use of $this->argument("argName") or $this->option("optName").

Perform method

You can put your user code into the perform method. The perform support method injection and provide $this->input and $this->output properties to work with user input.

php
protected function perform(MyService $service): int
{
    $this->output->writeln($service->doSomething());
    
    return self::SUCCESS;
}

Helper Methods

You can use a set of helper methods available inside the Spiral\Console\Command. Given examples are intended to be called in the perform method.

To write into output:

php
$this->writeln("hello world");

To write into output without advancing to the new line:

php
$this->write("hello world");

To write formatted output without advancing to the new line:

php
$this->sprintf("Hello, <comment>%s</comment>", $name);

Note
This method is compatible with the sprintf definition.

To check if current verbosity mode is higher than OutputInterface::VERBOSITY_VERBOSE:

php
dump($this->isVerbose());

Note
You can freely use the dump method in console commands.

To render table:

php
$table = $this->table([
    'Column #1:',
    'Column #2:',
]);

foreach ($data as $row)
{
    $table->addRow([
        $row[1],
        $row[2]
    ]);
}

$table->render();

To add table separator:

php
$table->addRow(new Symfony\Component\Console\Helper\TableSeparator());