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@ 2015-12-10T16:05:33Z

<?hh

namespace A {
	class T {}
}

namespace
{
	class Test
	{
		public function first(string $str) : Closure
		{
			/* closure with return type declaration and use() clause */
			$tmp = function() : int use ($str) {
				return strlen($str);
			};
			return $tmp;
		}

		public function second() : self
		{
			return $this;
		}
	}

	class SubTest extends Test
	{
		public function third() : parent
		{
			return $this;
		}

		/* returning a namespace-qualified type */
		public function fourth() : \A\T
		{
			return new \A\T;
		}

		/* spaces are allowed around elements of the namespace */
		public function fifth() : \ A \ T
		{
			return $this->fourth();
		}
	}

	$s = new SubTest;
	$t = $s->third();
	var_dump(($t->second()->first("hello"))());
	var_dump($s->fourth());
	var_dump($s->fifth());
}

Output for git.master, git.master_jit, rfc.property-hooks: <?hh namespace A { class T {} } namespace { class Test { public function first(string $str) : Closure { /* closure with return type declaration and use() clause */ $tmp = function() : int use ($str) { return strlen($str); }; return $tmp; } public function second() : self { return $this; } } class SubTest extends Test { public function third() : parent { return $this; } /* returning a namespace-qualified type */ public function fourth() : \A\T { return new \A\T; } /* spaces are allowed around elements of the namespace */ public function fifth() : \ A \ T { return $this->fourth(); } } $s = new SubTest; $t = $s->third(); var_dump(($t->second()->first("hello"))()); var_dump($s->fourth()); var_dump($s->fifth()); }

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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