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@ 2015-11-02T22:34:42Z

<?php

function gen1() {
  echo "Beginning gen1\n";
  $x = yield 1;
  echo "Sup!\n";
  $y = yield 2;
  var_dump($x + $y);
}

function yfgenerator() {
  echo "Beginning yfgenerator\n";
  yield from gen1();
  echo "Dawg\n";
  yield from gen1();
}

function yfiterator() {
  yield from [];
  yield from [1, 2, 3];
  /**/
  yield from array(
    "first" => 1,
    "second" => 2,
    "third" => 3,
  );
  /**/
}

function iterationTest($g) {
  echo "About to start iteration\n";
  foreach($g as $key => $val) {
    echo "Iteration!\n";
    var_dump($key);
    var_dump($val);
  }
  echo "Done with iteration\n";
}

function sendingTest($g) {
  $g->send(10);
  var_dump($g->current());
  $g->send(20);
  var_dump($g->current());
}

iterationTest(yfiterator());
//iterationTest(yfgenerator());
echo "====================\n";
sendingTest(yfiterator());
//sendingTest(yfgenerator());


echo "Done with all tests\n";

Output for git.master, git.master_jit, rfc.property-hooks: About to start iteration Iteration! int(0) int(1) Iteration! int(1) int(2) Iteration! int(2) int(3) Iteration! string(5) "first" int(1) Iteration! string(6) "second" int(2) Iteration! string(5) "third" int(3) Done with iteration ==================== int(2) int(3) Done with all tests

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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