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Current File : /proc/self/root/home/b8009/php-5.6.22/Zend/tests/generators//yield_by_reference.phpt
--TEST--
Generators can yield by-reference
--FILE--
<?php

function &iter(array &$array) {
    foreach ($array as $key => &$value) {
        yield $key => $value;
    }
}

$array = [1, 2, 3];
$iter = iter($array);
foreach ($iter as &$value) {
    $value *= -1;
}
var_dump($array);

$array = [1, 2, 3];
foreach (iter($array) as &$value) {
    $value *= -1;
}
var_dump($array);

?>
--EXPECT--
array(3) {
  [0]=>
  int(-1)
  [1]=>
  int(-2)
  [2]=>
  &int(-3)
}
array(3) {
  [0]=>
  int(-1)
  [1]=>
  int(-2)
  [2]=>
  &int(-3)
}

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