foreach and references

By chx ~ Posted Sun, 04/17/2011 - 02:32

Apparently this is not a bug and it's documented:

<?php
$array = array('foo', 'bar');
foreach ($array as &$foo);
foreach ($array as $foo);
var_dump($array);
?>

<?php
array(2) {
  [0]=>
  string(3) "foo"
  [1]=>
  &string(3) "foo"
}
?>

Remember what http://www.php.net/manual/en/control-structures.foreach.php say about this:

Reference of a $value and the last array element remain even after the foreach loop. It is recommended to destroy it by unset().

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foreach and references

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