[Resolved] Operations on single characters in a string

[silent]

I am trying to write some text encryption stuff...
but before I do that, I need to be able to perform operations
on single characters!

Here's what I have :

<?php
  $text = 'Encode me!';
  for($i=0; $i < strlen($text); $i++) {
    $text[$i] = $text[$i] + 1;
  }
echo $text;

This echos : 1111111111
Hmm

Any ideas? Because I thought that PHP treated all characters in
a string as bytes.

[LordShryku]

I'm not real sure what you're expecting from that, but accessing string characters is done with brackets.

$string = 'blah';
echo $string{2}; // a

[laserlight]

Just to clarify, accessing characters in a string is done with braces, not brackets, but brackets can be used for backwards compatibility.

To do what you want to do, you should find the ordinal value of the specified character with [man]ord/man, add 1, then get the character using [man]chr/man.

[silent]

thanks laserlight... always the lifesaver.
DOH
Should've remembered those things from my Turbo Pascal days...
🙂