Gets the HTTP status code for the given URL

functions.php

<?php
 
/**
 * Gets the HTTP status code for the given URL.
 * 
 * @param  string $url The URL to check.
 * @return int
 */
function url_http_status($url) {
    $ch = curl_init($url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_NOBODY, true);
    curl_exec($ch);
    $status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
    return $status;
}