#!/usr/bin/php
<?php
$db = new mysqli("<server>", "<user>", "<password>", "<database>");
if ($db->connect_error > 0) {
    die(fwrite(STDOUT,"ERR\n"));
}

while (!feof(STDIN))
{
    $i = trim(fgets(STDIN));
    $s = explode(" ", $i);
    $dst = $s[0];

    $row = array();
    $query = "SELECT * FROM squid WHERE name = '$dst'";

    if ($res = $db->query($query)) {
        $row = $res->fetch_row();
        $rec = $res->num_rows;

        if (($row[2] == 1) || ($rec < 1))
           fwrite(STDOUT,"ERR\n"); else
           fwrite(STDOUT,"OK\n");

        $res->close();
    }
}

$mysqli->close();
?>