is115-php/modul8/logger.inc.php

<?php
define('LOGGFIL', 'log.log');

class Logger {
    public static function log($melding){
        if(!file_exists(LOGGFIL)){
            file_put_contents(LOGGFIL,'');
        }

        $nesteRad = time().":\t ".$melding;
        file_put_contents(LOGGFIL, file_get_contents(LOGGFIL)."\n".$nesteRad);
    }


    public static function sisteMeldinger($antall = 10){
        $logOut = array();

        if(!file_exists(LOGGFIL)){ return $logOut; }

        $logg = explode("\n", file_get_contents(LOGGFIL));

        for($i = count($logg)-$antall; $i < count($logg); $i++){
            if($i > 0){
                $loggRad = explode(":\t", $logg[$i], 2);
                $logOut[] = array(date('d. M - H:i:s', $loggRad[0]), $loggRad[1]);
            }
        }
        return $logOut;
    }
}