Php custom UTF8 and cp1251 functions

When you need to convert some data from utf8, cp1251 (window-1251) or cp1251 to utf8 you must use the system function iconv. Common host service providers do not allow this feature.
*/
Function cp1251_to_utf8 ($ s ){
$ C209 = chr (209); $ c208 = chr (208); $ c129 = chr (129 );
For ($ I = 0; $ I <strlen ($ s); $ I ++ ){
$ C = ord ($ s [$ I]);
If ($ c> = 192 and $ c <= 239) $ t. = $ c208.chr ($ C-48 );
Elseif ($ c> 239) $ t. = $ c209.chr ($ C-112 );
Elseif ($ c = 184) $ t. = $ c209. $ c209;
Elseif ($ c = 168) $ t. = $ c208. $ c129;
Else $ t. = $ s [$ I];
           }
Return $ t;
       }

Function utf8_to_cp1251 ($ s)
        {
For ($ c = 0; $ c <strlen ($ s); $ c ++)
            {
$ I = ord ($ s [$ c]);
If ($ I <= 127) $ out. = $ s [$ c];
If ($ byte2 ){
$ New_c2 = ($ c1 & 3) * 64 + ($ I & 63 );
$ New_c1 = ($ c1> 2) & 5;
$ New_ I = $ new_c1 x 256 + $ new_c2;
If ($ new_ I = 1025 ){
$ Out_ I = 168;
} Else {
If ($ new_ I = 1105 ){
$ Out_ I = 184;
} Else {
$ Out_ I = $ new_i-848;
                       }
                   }
$ Out. = chr ($ out_ I );
$ Byte2 = false;
                   }
If ($ I> 5) = 6 ){
$ C1 = $ I;
$ Byte2 = true;
               }
            }
Return $ out;
        }