- mb_strlen: documentation ( source)
<?php
$t = "ф";
echo mb_strlen($t);
$test = array(
"id" => "8",
"to_delete" => "",
"order" => "1",
"country" => "+380",
"code" => "56",
"number" => "370-04-43",
"extra" => NULL,
"info" => NULL,
"type" => "phone",
);
echo $test['code']{0};