Created
July 31, 2013 07:34
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Trim a domain to a specific number of levels
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| /** | |
| * Trim a domain to a specific number of levels | |
| * | |
| * @param string $domain | |
| * @param int $levels | |
| * | |
| * @return string | |
| */ | |
| function trim_domain($domain, $levels = 2) | |
| { | |
| if (empty($domain)) { | |
| return ''; | |
| } | |
| return implode('.', array_slice(explode('.', $domain), -($levels))); | |
| } |
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