gistfile1.php[345]

<?php
// php equivalent of ruby one-liner
// "строка текста!".chars.to_a.last

function u_str_split($string, $split_length=1)
{
  preg_match_all('`.`u', $string, $arr);
  $arr = array_chunk($arr[0], $split_length);
  $arr = array_map('implode', $arr);
  return $arr;
}

$str = "строка текста!";
$chars = u_str_split($str);
$len = sizeof($chars);
echo $chars[$len - 1];
?>