<?php
$url = 'https://m...content-available-to-author-only...o.nz/#!4090kJrY!LZiZBgsOo_Gg1sLnykZLHsUThAC9oaPRG3---0gD92Y';
echo parse_url($url, PHP_URL_HOST
) . "\n"; //pega o HOST echo $array_url['host'] . "\n"; //aqui pega só o HOST também.
echo $dominio[0];
?>
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