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@ 2022-01-07T23:04:21Z

<?php

$url = 'https://example.com/pathurl';
$bits = parse_url($url);
$sub = strtok($bits['host'], '.');
echo $sub . PHP_EOL;

$url = 'https://subdomain.example.com/pathurl';
$bits = parse_url($url);
$sub = strtok($bits['host'], '.');
echo $sub . PHP_EOL;

Output
Performance
VLD
References
Branches

strtok: documentation ( source)
parse_url: documentation ( source)

preferences:dark modelive previewkey bindings

31.07 ms | 405 KiB | 5 Q