Online PHP editor | rfc for 8t3q1

@ 2014-06-20T00:34:25Z

<?php

// explicit mention of methods that should be fluent
// would be preferable to returning $this on null
// since a method may very well return null as something
// that is expected.

interface Something {
    public function bar();
    public function baz();
    public function bat();
}

interface SomethingFluent extends Something {
    public function bar();
    public function baz();
    public function bat();
}

class Foo implements Something
{
    public function bar()
    {
        var_dump(__METHOD__);
    }

    public function baz()
    {
        var_dump(__METHOD__);
    }

    public function bat()
    {
        var_dump(__METHOD__);

        return 'bat!';
    }
}

class FluentWrapper 
{
    private $instance;
    private $fluentMethods;
    public function __construct($instance, array $fluentMethods = array())
    {
        $this->instance = $instance;
        $this->fluentMethods = $fluentMethods;
    }

    public function __call($name, $args)
    {
        $result = call_user_func(array($this->instance, $name), $args);

        return in_array($name, $this->fluentMethods) ? $this : $result;
    }
}

class FluentFoo extends FluentWrapper implements SomethingFluent
{
	public function __construct(Foo $foo)
    {
        parent::__construct($foo, array('bar', 'baz'));
    }
}


$foo = new FluentFoo(new Foo());

$bat = $foo
    ->bar()
    ->baz()
    ->bar()
    ->baz()
    ->bat();

print $bat."\n";

Output for git.master, git.master_jit, rfc.property-hooks: Fatal error: Class FluentFoo contains 3 abstract methods and must therefore be declared abstract or implement the remaining methods (SomethingFluent::bar, SomethingFluent::baz, SomethingFluent::bat) in /in/8t3q1 on line 58
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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