<?php
$handle = fopen("metinbelgesi.txt", "r");
if ($handle) {
    $result = false;
    while (($line = fgets($handle)) !== false) {
        if(strpos($line, ';') === false) {
            $result = false; break;
        } else {
            $result = true; continue;
        }
    }
    fclose($handle);
    echo $result === false ? 'KAPALI' : 'AÇIK';
}