Online PHP editor | rfc for EjdNt

@ 2016-03-07T15:05:59Z

<?php

class Translator1
{
    private $translator2;
    
    public function __construct(Translator2 $t2)
    {
        $this->translator2 = $t2;
    }
}

class Translator2
{
    private $translator3;
    
    public function __construct(Translator3 $t3)
    {
        $this->translator3 = $t3;
    }
}

class Translator3 extends ParentTranslator
{
    // none found, look for 'x' in parent class
}

class ParentTranslator {
    private $x = 'LOL';
    
    public function __construct()
    {
        $this->x = 'LOL';
    }
}

function accessPrivatePropertyOf($object, ...$properties)
{
    if (empty($properties))
    {
        return $object;
    }
    
    $reflector = new \ReflectionClass($object);

    $property = array_shift($properties);
    
    echo 'Looking in: ' . (is_object($object) ? get_class($object) : gettype($object)) . ' for property: ' . $property . PHP_EOL;

    if (!$reflector->hasProperty($property))
    {
        /** Try parent class **/
        $parent = $reflector->getParentClass();
        
        echo 'BUT... does not exist, looking in parent: ' . $object->getName() . ' instead...' . PHP_EOL;

        if (!$parent->hasProperty($property))
        {
            throw new \Exception;
        }

        $prop = $parent->getProperty($property);
        $prop->setAccessible(true);
        $property = $prop->getValue($object);
        
        //echo 'We found property with name: ' . $prop->getName() . ' and value: ' . $prop->getValue($object) . PHP_EOL;
        
        return accessPrivatePropertyOf($property, ...$properties);
    }

    $prop = $reflector->getProperty($property);
    $prop->setAccessible(true);
    $property = $prop->getValue($object);

    return accessPrivatePropertyOf($property, ...$properties);
}

$t = new Translator1(new Translator2(new Translator3));

// Shows no value for x WHYY?Y??
var_dump(accessPrivatePropertyOf($t, 'translator2', 'translator3', 'x'));

Output for git.master, git.master_jit, rfc.property-hooks: Looking in: Translator1 for property: translator2 Looking in: Translator2 for property: translator3 Looking in: Translator3 for property: x Fatal error: Uncaught Error: Call to undefined method Translator3::getName() in /in/EjdNt:55 Stack trace: #0 /in/EjdNt(75): accessPrivatePropertyOf(Object(Translator3), 'x') #1 /in/EjdNt(75): accessPrivatePropertyOf(Object(Translator2), 'translator3', 'x') #2 /in/EjdNt(81): accessPrivatePropertyOf(Object(Translator1), 'translator2', 'translator3', 'x') #3 {main} thrown in /in/EjdNt on line 55
Process exited with code 255.

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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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