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<?php $pad = 'fc15:7e4c:69c9:83a3:9c0a:c738:3f27:0883'; $npad = 'fc15:7e4c:69c9:83a3:9c0a:c738:3f27:883'; $cpad = filter_var($pad, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6); $cnpad = inet_pton($npad); $resp = [ 'pad' => $pad, 'not-padded' => $npad, 'padded filter_var' => $cpad, 'not-padded filter_var' => $cnpad ]; var_dump($resp);

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