Help with mysql DB ect (idk if its the right place)

[xguys]

Hallo so i am setting up something and i am a noob to phpmyadmin (mysql) and i just need fast help plz help me!!!)

so i have to fill this out
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<?php
$sitename = "http://localhost:8080";
$link = mysql_connect("localhost", "root", "password");
$db_selected = mysql_select_db('database', $link);
mysql_query("SET NAMES utf8");

function fetchinfo($rowname,$tablename,$finder,$findervalue) {
if($finder == "1") $result = mysql_query("SELECT $rowname FROM $tablename");
else $result = mysql_query("SELECT $rowname FROM $tablename WHERE `$finder`='$findervalue'");
$row = mysql_fetch_assoc($result);
return $row[$rowname];
}
?>
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this is what i have
https://gyazo.com/40df965cec83241d544df326438bdb05

please help me i am sorry if you think i am bad.