<?php

function link($kelime)
{
$kelime = str_replace("oyun","<a href=\"http://siteadi.com/oyun\" style=\"text-decoration: none; color:black\"><b>oyun</b></a>",$kelime);
$kelime = str_replace("muzik","<a href=\"http://siteadi.com/muzik\" style=\"text-decoration: none; color:black\"><b>muzik</b></a>",$kelime);

return $kelime;
}

////////////////////////////////////////////

ob_start('link');


echo "muzik";
echo "<br>";
echo "oyun";


ob_end_flush();

////////////////////////////////////////////

?>