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@ 2015-10-23T21:08:17Z

<?php

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

function yfgenerator() {
  yield from gen1();
  echo "Dawg\n";
  yield from gen1();
  yield from [1, 2, 3];
}

function yfeiterator() {
  $arr = [1, 2, 3];
  foreach($arr as $val) {
    yield $val;
  }
}

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->next();
  $g->send(10);
  $g->send(20);
}

iterationTest(yfiterator());
//iterationTest(yfeiterator());
// iterationTest(gen1());


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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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