encoded urls - htaccess

[rayzun]

I have a question about
Using the url to pass variables

this url wont pass the variable
/%E6%A4%9C%E7%B4%A2.php

but this will
/japan.php?makers=%E6%A4%9C%E7%B4%A2

Im also using php explode function for the first url shown

[konsu]

I know all the words in the text of this posting but i still cannot parse it. ; -) could you explain what the problem is again?

[rayzun]

Im looking to convert a string into
Hex : Hexadecimal Code Number

example =

<?
$hex = "anyword";

echo "%41%4E%59%57%4F%52%44";
?>

each letter preceeded with the % sign?

[konsu]

I do not know if there is a ready made function that does that, but it seems that for your purposes http://us2.php.net/manual/en/function.urlencode.php will suffice.

[rayzun]

right, ive been searching for hours, I dont seem to be finding a function that converts letters to hex.

All the functions, and snippets Ive found so far convert only html, urls, special characters to hex.

A loop would be a way to do it. Any ideas for coding a loop for each letter in a variable?
Ive found the list of ASCII Characters to reference:

http://code.cside.com/3rdpage/us/unicode/ascii.html

[konsu]

could you explain why you need to encode alphanumeric ascii characters?

[rayzun]

$keywords = array('a' => '%41',
'n' => '%4E',
'y' => '%59',
'w' => '%57',
'o' => '%4F',
'r' => '%52',
'd' => '%44' );

echo "$keywords";

?>

%41%4E%59%57%4F%52%44

[konsu]

I mean WHY do you need it? maybe i am missing something but it is not necessary to encode letters and numbers in a url's query string

[drew010]

i just cooked this up really quick, should do what you want. btw in your posts above you are using "anyword" but the hex codes are for "ANYWORD"

<?php

function asc2hex($string, $delimeter = "")
{
  $c = strlen($string);
  $out = "";
  for($i = 0; $i < $c; ++$i) {
    $out .= $delimeter . dechex(ord($string{$i}));
  }

  return $out;
}

echo asc2hex('anyword', '%'); //%61%6e%79%77%6f%72%64

?>

[rayzun]

thats cool!

Im not able to pass a variable in this situation,

echo asc2hex('$search', '%');

[drew010]

if you wanna use a variable in it, get rid of the ' ' around it.
If you have double quotes " " variables and escape characters will be interpreted, if you use single quotes ' ' its just treated as a normal string with no special processing.
And also, variables dont ever need to be enclosed in quotes if you wish to echo them or use them in a function call.

So
echo asc2hex($search, '%'); //will work and is preferred
and
echo asc2hex("$search", '%'); //will work, isnt really the best practice unless you want to use other words in there like "$search was the search phrase"
and
echo asc2hex('$search', '%'); //will actually encode $, s, e, a, r, c, h

[rayzun]

I was staring at the monitor without blinking ..

Thanks very much, drew010 you are in the upper echelons of PHp builder.com pantheons !

On a side question would you know the encode style
for this which I think is UTF-8 or HEX
%E6%A4%9C
&#26908;

Can this script do UTF-8?