fail2ban log scanner

<?php

$file = file_get_contents("/var/log/fail2ban.log");

$file = explode("\n", $file);

foreach ($file as $k => $v) {
    $v = explode("WARNING [ssh]", $v);
    $v = explode(" ", $v[1]);
    $v = trim($v[2]);
    if ($v) {
        $ips[$v] = $v;
    }
}
foreach ($ips as $k => $v) {
    echo $v."<br>\n";
    $i++;
}

echo "\n\n";
echo $i." ips.";

?>