PHP code example of kafkiansky / option

1. Go to this page and download the library: Download kafkiansky/option library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

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

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

kafkiansky / option example snippets




declare(strict_types=1);

use Kafkiansky\Option\Option;

/**
 * @param Option<non-empty-string> $option
 */
function withName(Option $option): void
{
    echo $option->unwrap();
}




declare(strict_types=1);

use Kafkiansky\Option\Option;

/**
 * @param Option<non-empty-string> $option
 */
function withName(Option $option): void
{
    if ($option->isSome()) {
        echo $option->unwrap();
    }
}




declare(strict_types=1);

use Kafkiansky\Option\Option;

/**
 * @param Option<non-empty-string> $option
 */
function withName(Option $option): void
{
    if ($option->isNone()) {
        echo $option->unwrap();
    }
}




declare(strict_types=1);

use Kafkiansky\Option\Option;

/**
 * @param Option<non-empty-string> $option
 */
function withName(Option $option): void
{
    echo $option
        ->map(
            fn (string $name): string => 'User: '. $name,
            fn (): string => 'anonymous',
        )
        ->unwrap()
    ;
}




declare(strict_types=1);

use Kafkiansky\Option\Option;

/**
 * @param Option<non-empty-string> $option
 */
function withName(Option $option): void
{
    echo $option->unwrapOr('anonymous');
}