3v4l.org

run code in 300+ PHP versions simultaneously
<?php $current_url = 'foo.bar.baz.com'; $current_domains = explode( '.', $current_url ); $current_top_domain = array_slice( $current_domains, 2 ); echo implode( '.', $current_top_domain );

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49.42 ms | 402 KiB | 5 Q