Untitled

<?php

set_time_limit(0);

$url = array_map("trim", file("unchecked.txt"));

$ok = array();
$notok = array();

for ($i = 0; $i < count($url); $i++) {

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url[$i]);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_exec($ch);

    if (curl_getinfo($ch, CURLINFO_HTTP_CODE) == "200") {
        array_push($ok, $url[$i]);
    } else {
        array_push($notok, $url[$i]);
    }
}

$fo = fopen("ok.txt", "w");
fwrite($fo, implode("\n", $ok));
fclose($fo);
$fo = fopen("notok.txt", "w");
fwrite($fo, implode("\n", $notok));
fclose($fo);
?>