3v4l.org

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<?php $input = trim(getUserInput()); if( str_split($input) == array(0,0,0,0) || strcmp($input, "0000") == 0 || strcmp($input, "000") == 0 || strcmp($input, "00") == 0 || strcmp($input, "0") == 0 || $input === 0 || preg_match("/^[\d]{1,}$/D", $input) )fail_advanced_1(); if($input == "0000") complete_advanced_1(); ?>

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