Question

how to check URL include 3 letters domain name in php

Answer 1

$url = "https://www.loc.gov/collections/?fa=subject_topic:science+%26+technology";

$host = parse_url($url, PHP_URL_HOST);

$arr = explode('.', $host);
$domain = $arr[count($arr) - 2];

echo strlen($domain) == 3 ? "yes" : "no";



/*
run:

yes

*/

 

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