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<?php |
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namespace Averta\Core\Utility; |
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|
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|
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class Extract |
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{ |
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|
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/** |
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* Extracts domain from absolute url |
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* |
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* @param string $url |
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* |
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* @return mixed|string |
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*/ |
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public static function domain( $url ) { |
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|
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if ( empty( $url ) ) { |
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return ''; |
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} |
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|
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$parsedUrl = parse_url( $url ); |
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|
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$host = ''; |
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|
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if( isset( $parsedUrl['host'] ) ){ |
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$host = $parsedUrl['host']; |
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|
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// if it was a plain url without schema |
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} elseif( isset( $parsedUrl['path'] ) ){ |
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$host = $parsedUrl['path']; |
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} |
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|
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$hostParts = explode(".", $host); |
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$domainExtensions = []; |
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|
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if( count( $hostParts ) > 2 ){ |
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$domainExtensions = array_slice( $hostParts, -2 ); |
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} |
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|
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if( count( $hostParts ) === 3 ){ |
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if( strlen( implode( '', $domainExtensions ) ) > 5 ){ |
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$hostParts = $domainExtensions; |
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} |
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|
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} elseif( count( $hostParts ) > 3 ){ |
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// skip ips |
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if( ! is_numeric( implode( '', $hostParts ) ) ){ |
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// if one of the last two parts is domain |
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if( strlen( implode( '', $domainExtensions ) ) > 5 ){ |
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$hostParts = $domainExtensions; |
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} else { |
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$hostParts = array_slice( $hostParts, -3 ); |
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} |
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} |
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} |
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|
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$host = implode( '.', $hostParts ); |
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return trim( $host, '/' ); |
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} |
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} |
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|
