gistfile1.txt

[peter@Bibracte php-src.git (pull-request/865 *)]$ cat foo.php
<?php

$array = new ArrayIterator(array('a', array('b', 'c')));
$regex = new RegexIterator($array, '/banana/');
foreach ($regex as $match) {
    var_dump($match);
}

[peter@Bibracte php-src.git (pull-request/865 *)]$ ./sapi/cli/php foo.php
array(2) {
  [0]=>
  string(1) "b"
  [1]=>
  string(1) "c"
}