So what do you do when you need to pass secure data to another system over the web? Web services? Secure-Socket-Layer POST? Well, if you're using PHP, you don't need to worry about any of that fancy stuff. You can use this handy encryption method (as one nameless PHP-driven application does) to send your important data to your vendor or client ... 


function encryptStr($string,$case_match="") {
   $replace=array("a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","0","1","2","3","4","5","6","7","8","9");
   if ($case_match) {
      $shift_array=array(
         "a"=>"n",
         "b"=>"o",
         "c"=>"p",
         "d"=>"q",
         "e"=>"r",
         "f"=>"s",
         "g"=>"t",
         "h"=>"u",
         "i"=>"v",
         "j"=>"w",
         "k"=>"x",
         "l"=>"y",
         "m"=>"z",
         "n"=>"a",
         "o"=>"b",
         "p"=>"c",
         "q"=>"d",
         "r"=>"e",
         "s"=>"f",
         "t"=>"g",
         "u"=>"h",
         "v"=>"i",
         "w"=>"j",
         "x"=>"k",
         "y"=>"l",
         "z"=>"m",
         "A"=>"N",
         "B"=>"O",
         "C"=>"P",
         "D"=>"Q",
         "E"=>"R",
         "F"=>"S",
         "G"=>"T",
         "H"=>"U",
         "I"=>"V",
         "J"=>"W",
         "K"=>"X",
         "L"=>"Y",
         "M"=>"Z",
         "N"=>"A",
         "O"=>"B",
         "P"=>"C",
         "Q"=>"D",
         "R"=>"E",
         "S"=>"F",
         "T"=>"G",
         "U"=>"H",
         "V"=>"I",
         "W"=>"J",
         "X"=>"K",
         "Y"=>"L",
         "Z"=>"M",
         "0"=>"5",
         "1"=>"6",
         "2"=>"7",
         "3"=>"8",
         "4"=>"9",
         "5"=>"0",
         "6"=>"1",
         "7"=>"2",
         "8"=>"3",
         "9"=>"4"
      );
   } else {
      $shift_array=array(
         "a"=>"N",
         "b"=>"O",
         "c"=>"P",
         "d"=>"Q",
         "e"=>"R",
         "f"=>"S",
         "g"=>"T",
         "h"=>"U",
         "i"=>"V",
         "j"=>"W",
         "k"=>"X",
         "l"=>"Y",
         "m"=>"Z",
         "n"=>"A",
         "o"=>"B",
         "p"=>"C",
         "q"=>"D",
         "r"=>"E",
         "s"=>"F",
         "t"=>"G",
         "u"=>"H",
         "v"=>"I",
         "w"=>"J",
         "x"=>"K",
         "y"=>"L",
         "z"=>"M",
         "A"=>"n",
         "B"=>"o",
         "C"=>"p",
         "D"=>"q",
         "E"=>"r",
         "F"=>"s",
         "G"=>"t",
         "H"=>"u",
         "I"=>"v",
         "J"=>"w",
         "K"=>"x",
         "L"=>"y",
         "M"=>"z",
         "N"=>"a",
         "O"=>"b",
         "P"=>"c",
         "Q"=>"d",
         "R"=>"e",
         "S"=>"f",
         "T"=>"g",
         "U"=>"h",
         "V"=>"i",
         "W"=>"j",
         "X"=>"k",
         "Y"=>"l",
         "Z"=>"m",
         "0"=>"5",
         "1"=>"6",
         "2"=>"7",
         "3"=>"8",
         "4"=>"9",
         "5"=>"0",
         "6"=>"1",
         "7"=>"2",
         "8"=>"3",
         "9"=>"4"
      );
   }     
   for($i=0;$i<strlen($string);$i++) {
      if (in_array(substr($string,$i,1),$replace)) {
         $newstring.=$shift_array[substr($string,$i,1)];
      } else {
         $newstring.=substr($string,$i,1);
      }  
   }     
   return $newstring;
}

Please forgive the lack of hilighting [thanks asdfs] Does anyone have a good PHP -> HTML converter thingy that is not written in PHP? And one that has Windows binaries or is something that a lazy fella like me can quickly use ;-)?

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