PHP code example of unicorn-fail / php-option

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

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

    

unicorn-fail / php-option example snippets

use UnicornFail\PhpOption\None;
use UnicornFail\PhpOption\Some;

class MyRepository
{
    public function findSomeEntity($criteria)
    {
        if (null !== $entity = $this->entityManager->find($criteria)) {
            return Some::create($entity);
        }

        // Use a singleton for the None case (it's statically cached for performance).
        return None::create();
    }
}

use UnicornFail\PhpOption\Option;

class MyRepository
{
    public function findSomeEntity($criteria)
    {
        return Option::create($this->entityManager->find($criteria));

        // Or, if you want to change the none value to false for example:
        return Option::create($this->em->find($criteria), ['noneValue' => false]);
    }
}

$entity = $repo->findSomeEntity($criteria)->get(); // Returns an Entity, or throws exception.

$entity = $repo->findSomeEntity($criteria)->getOrElse(new Entity);

// Or, if you need to lazily create the entity.
$entity = $repo->findSomeEntity($criteria)->getOrCall(function() {
    return new Entity;
});

$entity = $this->findSomeEntity();
if ($entity === null) {
    throw new NotFoundException();
}
return $entity->name;

return $this->findSomeEntity()->get()->name;

try {
    $entity = $this->findSomeEntity();
} catch (NotFoundException $ex) {
    $entity = new Entity;
}

$entity = $this->findSomeEntity()->getOrElse(new Entity);

$entity = $this->findSomeEntity();
if ($entity === null) {
    return new Entity;
}

return $entity;

return $this->findSomeEntity()->getOrElse(new Entity);

$entity = $this->findSomeEntity();
if ($entity === null) {
    $entity = $this->findSomeOtherEntity();
    if ($entity === null) {
        $entity = $this->createEntity();
    }
}
return $entity;

return $this->findSomeEntity()
            ->orElse($this->findSomeOtherEntity())
            ->orElse($this->createEntity());

use UnicornFail\PhpOption\LazyOption;

return $this->findSomeEntity()
            ->orElse(LazyOption::create([$this, 'findSomeOtherEntity']))
            ->orElse(LazyOption::create([$this, 'createEntity']));

// ?coords=32:43,35:22,94:33,95:34
$coordsStr = !!(isset($_GET['coords']) ? $_GET['coords'] : '');
$coords = $coordsStr ? array_map('trim', explode(',', $coordsStr)) : [];
foreach ($coords as $coord) {
    list ($x, $y) = array_map('trim', explode(':', $coord));
    $this->doSomething($x, $y);
}

use UnicornFail\PhpOption\TypedOption;

// Automatically parsed by the SomeArray typed option.
// ?coords=32:43,35:22,94:33,95:34
$items = TypedOption::pick($_GET, 'coords', ['keyDelimiter' => ':'])->getOrElse([]);
foreach ($items as $x => $y) {
    $this->doSomething($x, $y);
}

 bash
$ composer 

bash
  $ composer remove phpoption/phpoption
  $ composer