<?php
function latinica($lat)
{
$latinica=array("a","b","c");
$kirilica=array("а", "б", "ц");
$bbc_num=count($latinica);
$loop=0;
while($loop<$bbc_num)
{
$lat=str_replace($latinica[$loop], $kirilica[$loop], $lat);
$loop++;
}
return $lat;
}
$strings = "abc";
$strings = latinica($strings);
echo $strings;
?>