WordPressかどうかチェックするphpスクリプト

check_wordpress.php

<?php
$lines = file('url.csv', FILE_IGNORE_NEW_LINES);
$count = 0;
foreach ($lines as $line) {
    $val = explode(',', $line);
    $html = file_get_contents($val[1]);
    if (strpos($html, 'wp-content') !== false) {
        echo $val[0] . " is WordPress\n";
        $count++;
    }
}
echo $count . " counts\n";