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<?php function secretCode($text,$key){ $result=""; for($i=0;$i<strlen($text);$i++){ $char=$text[$i]; if(ctype_alpha($char)){ $shifted=ord($char)+$key; if(ctype_upper($char)){ $result.=chr((($shifted-65)%26)+65); }else{ $result.=chr((($shifted-97)%26)+97); } }else{ $result.=$char; } } return $result; } echo secretCode ('Prinvet!',2);
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