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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
$str = 'Рукашевич илья Игоревич';
$arr = explode(' ',$str);
foreach ($arr as $key=>$value)
{
mb_internal_encoding("UTF-8");
$arr["$key"] = mb_strtoupper(mb_substr(trim($value),0,1));
}
echo implode('.',$arr).'.';