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<?php $current_url_host = 'sub.example.com'; $main_url_host = 'example.com'; $current_url_host_rev = strrev( $current_url_host ); $main_url_host_rev = strrev( $main_url_host ); if ( strpos( $current_url_host_rev, $main_url_host_rev ) === 0 ) { $current_url_host_rev = trim( substr( $current_url_host_rev, strlen( $main_url_host_rev ) ), '.' ); } $current_url_sub_domains = strrev( $main_url_host_rev ); echo $main_url_host_rev;
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