Online PHP editor | rfc for rmvFr

@ 2013-09-10T01:13:49Z

<?php

class CallableByName
{

    private $closure;

    public function __construct(\Closure $closure)
    {
        $this->closure = $closure;
    }

    public function invoke(array $parameters)
    {
        return call_user_func_array($this->closure, $this->getOrderedFromNamed($parameters));
    }

    public function getOrderedFromNamed(array $parameters)
    {
        $orderedParameters  = [];
        $functionReflection = new \ReflectionFunction($this->closure);
        foreach ($functionReflection->getParameters() as $parameterReflection)
        {
            /* @var $parameterReflection \ReflectionParameter */
            $parameterName = $parameterReflection->getName();
            if (isset($parameters[$parameterName]))
            {
                $orderedParameters[$parameterName] = $parameters[$parameterName];
                continue;
            }
            if ($parameterReflection->isDefaultValueAvailable())
            {
                $orderedParameters[$parameterName] = $parameterReflection->getDefaultValue();
                continue;
            }
            $orderedParameters[$parameterName] = null;
        }
        return $orderedParameters;
    }

}

$callableByName = new CallableByName(function($foo, $bar, $qux = 'Holy Qux!', $zip = null)
{
    var_dump(get_defined_vars());
});

$callableByName->invoke([
    'bar' => 'Hello',
    'foo' => 'World',
]);

$callableByName->invoke([
    'bar' => 'Hello',
    'zip' => 'World',
]);

Output for git.master, git.master_jit, rfc.property-hooks: array(4) { ["foo"]=> string(5) "World" ["bar"]=> string(5) "Hello" ["qux"]=> string(9) "Holy Qux!" ["zip"]=> NULL } array(4) { ["foo"]=> NULL ["bar"]=> string(5) "Hello" ["qux"]=> string(9) "Holy Qux!" ["zip"]=> string(5) "World" }

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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