Online PHP editor | rfc for gJjbL

@ 2014-10-29T13:46:40Z

<?php
interface BarInterface {

  /**
   * Bazzes the current environment.
   */
  public function baz();

}

class Foo {

  /**
   * @var \BarInterface
   */
  protected $bar;

  /**
   * Constructs a new instance.
   *
   * @param \BarInterface $bar
   */
  public function __construct(BarInterface $bar) {
    $this->bar = $bar;
  }

  /**
   * Bazzes the bar.
   */
  public function baz() {
    $this->bar->baz();
  }

}

class NullBar implements BarInterface {

  /**
   * {@inheritdoc}
   */
  public function baz() {
    // Silently fail.
  }

}

class ShoutBar implements BarInterface {

  /**
   * {@inheritdoc}
   */
  public function baz() {
    print "HELLO BAZ!";
  }

}

$null_bar = new NullBar();
$shout_bar = new ShoutBar();

$null_bar_foo = new Foo($null_bar);
$null_bar_foo->baz();

$shout_bar_foo = new Foo($shout_bar);
$shout_bar_foo->baz();

Output for git.master, git.master_jit, rfc.property-hooks: HELLO BAZ!

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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