Online PHP editor | rfc for kn7II

@ 2021-07-17T16:57:40Z

<?php
function getGreeting(MapInterface $user): string
{
    $fullName = [];
    $fullNameSegments = ['first_name', 'last_name'];

    foreach ($fullNameSegments as $segment) {
        if ($user->has($segment)) {
            $fullName[] = $user->get($segment);
        }
    }

    return implode(' ', $fullName);
}

interface MapInterface
{
    public function get(string $key);
    
    public function has(string $key): bool;
}

class Map implements MapInterface
{
    protected $data;

    public function __construct(array $data)
    {
        $this->data = $data;
    }

    public function get(string $key)
    {
        if (!array_key_exists($key, $this->data)) {
            throw new RangeException(sprintf('Key %1$s not found', $key));
        }

        return $this->data[$key];
    }
    
    public function has(string $key): bool
    {
        return array_key_exists($key, $this->data);
    }
}

$user = new Map([
    'first_name' => 'Xedin',
    'last_name' => 'Unknown',
    'id' => '12345',
]);
assert($user instanceof MapInterface);
echo getGreeting($user);

Output for git.master, git.master_jit, rfc.property-hooks: Xedin Unknown

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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