Online PHP editor | rfc for BS5HF

@ 2021-03-29T23:41:24Z

<?php
function generator(): iterable {
  $count = -1;
  while (true) {
    echo 'Stopping: ', $count, \PHP_EOL;
    yield ++$count;
    echo 'Resuming: ', $count, \PHP_EOL;
  }
}

function limit(\Iterator $inner, int $count) {
  if (1 > $count) return;
  $inner->rewind();
  while ($inner->valid()) {
      if (!$count--) {
          return;
      }
      yield $inner->key() => $inner->current();
      $inner->next();
  }
}

echo "Construct:\n";
$i = limit(generator(), 3);
echo "Rewind:\n";
$i->rewind();

echo "\n1st iteration\n";
echo $i->valid() ? "Valid\n" : "Not valid\n";
echo "Current value: ", $i->current(), "\n"; 
$i->next();

echo "\n2nd iteration\n";
echo $i->valid() ? "Valid\n" : "Not valid\n";
echo "Current value: ", $i->current(), "\n"; 
$i->next();

echo "\n3rd iteration\n";
echo $i->valid() ? "Valid\n" : "Not valid\n";
echo "Current value: ", $i->current(), "\n"; 
$i->next();

echo "\n4th iteration\n";
echo $i->valid() ? "Valid\n" : "Not valid\n";
echo "Current value: ", $i->current(), "\n"; 
$i->next();

echo "\n5th iteration\n";
echo $i->valid() ? "Valid\n" : "Not valid\n";
echo "Current value: ", $i->current(), "\n"; 
$i->next();

Output for git.master, git.master_jit, rfc.property-hooks: Construct: Rewind: Stopping: -1 1st iteration Valid Current value: 0 Resuming: 0 Stopping: 0 2nd iteration Valid Current value: 1 Resuming: 1 Stopping: 1 3rd iteration Valid Current value: 2 Resuming: 2 Stopping: 2 4th iteration Not valid Current value: 5th iteration Not valid Current value:

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

preferences:dark modelive preview