1 && file_exists("index".$modulNr."_".($oppgNr-1).".php")){
$returnArr[] = "Oppgave ".($oppgNr-1)."";
}
$returnArr[] = "Tilbake til modulen";
if(file_exists("index".$modulNr."_".($oppgNr+1).".php")){
$returnArr[] = "Oppgave ".($oppgNr+1)."";
}
return implode(' - ', $returnArr);
}
function title(): string {
global $modulNr, $oppgNr;
return "Modul ".$modulNr." - Oppgave $oppgNr";
}
function higher($int1, $int2): int {
if($int1 >= $int2){
return $int1;
}
return $int2;
}
function lower($int1, $int2): int {
if($int1 < $int2){
return $int1;
}
return $int2;
}
function str_lreplace($search, $replace, $subject){
$pos = strrpos($subject, $search);
if($pos !== false){
$subject = substr_replace($subject, $replace, $pos, strlen($search));
}
return $subject;
}