Hi! Could we please enable some services and cookies to improve your experience and our website?
Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
$city = 'Ривенделл';
$result = '';
$valuesWithCounters = array_count_values(mb_str_split($city));
foreach ($valuesWithCounters as $word => $counter) {
$result .= $word . ':' . str_repeat('*', $counter) . ',';
}
$result = substr_replace($result, ":", -1);
echo $result;