This is a simple logger written by me

Simple Logger

function doLog($text, $path = null)
{
    // open log file
    $logFileName = empty($path)? "/system_log.text" : $path . "/system_log.text";
    $logger = fopen($logFileName, "a") or die("Could not open log file.");
    
    //Write the given test with time
    fwrite($logger, date("d-m-Y, H:i")." - $text\n") or die("Could not write file!");
    fclose($logger);
}