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@ 2015-10-13T11:25:42Z

<?php

trait toArray
{
    public function toArray() {
        return get_object_vars($this);
    }
    
    public function fromArray(array $properties)
    {
        foreach ($properties as $key => $value) {
            if (method_exists($this, 'set' . ucfirst($key))) {
                $this->{'set' . ucfirst($key)}($value);
            }
        }
    }    
}

interface BazInterface
{
    
}

class Bazz implements BazInterface
{
    
}

interface FooInterface
{
    public function add(BazInterface $baz);
    public function toArray();
    public function fromArray(array $properties);
}

class Foo implements FooInterface
{
    
    use toArray;
    
    private $bar;
    private $baz;
    
    public function add()
    {
        
    }
    
    public function setBar($bar) {
        $this->bar = $bar;
        return $this;
    }
    
    public function setBaz($baz) {
        $this->baz = $baz;
        return $this;
    }
}

$foo = new Foo;
$foo->fromArray(['bar' => 'boo', 'baz' => 'test']);
$fooArray = $foo->toArray();
var_export($fooArray);

Output for git.master, git.master_jit, rfc.property-hooks: Fatal error: Declaration of Foo::add() must be compatible with FooInterface::add(BazInterface $baz) in /in/sUW4U on line 44
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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