converting a string into html ascii

[cyberbone]

Greetings. i'm trying to write a script that turns a email address into html ascii charaters to use it on a persons website but hide it from spam bots and email harvesters. anyway i have a form for the input of the email address then it calls the convert.php script when you hit submit. but i cant seem to figure out how to loop through the string and have the output. it only outputs the first character in the string. heres the code i have:

$string = $HTTP_POST_VARS['convert']; 
for($string = 0;$string<0;$string++){
echo '&$38;&#35;'.ord($string).';';}

thanks in advance people! 🙂

[Pig]

If all you are looking to do is hide it from spiders, then you could just use javascript to hide the code. In general, it is a better idea to not screw with the data, but rather tweak how it is being displayed (not entirely sure I understand what you are trying to do).

function contact($email, $display="hot_tuna")
{
	if( $display == "hot_tuna" )
	{
		$display = "
		 display1 = \"" . substr($email, 0, 3) . "\"
		 display2 = \"" . substr($email, 3) . "\"
		 document.write(display1 + display2);
		";
	}
	else $display = "document.write(\"$display\");";

$domain = strstr($email, "@");
$name = substr($email, 0, strpos($email, "@") );
$out_put = "
	<script language=\"Javascript\"> 
	<!-- 
		emailname = \"$name\" 
		emailserver = \"$domain\" 
		document.write(\"<a href='mailto:\" + emailname + emailserver + \"'>\"); 
		$display
		document.write(\"</a>\"); 
	//--> 
	</script>
";
return $out_put;
}

[Xoid]

you could always try something like this;

$getemail="";
  $string="[e-mail]";

  for($n=0;$n<=strlen($string)-1;$n++)
  {
   $getemail.="&#".ord(substr($string,$n,1));
  }

  print $getemail;

[Weedpacket]

Originally posted by Xoid
you could always try something like this;

You could also get that down to one line.

$getemail = preg_replace('/./e','"&#".ord("$0").";"',$string);

[cyberbone]

well pig, what i'm trying to do is learn php, i already know javascript.

thanks for everyone else's help. i'll try your examples and let you know how i did. 🙂

[dave420]

Spam harvesters are already very familiar with HTML entities, so they'll still get it... If you really want to hide the email address, create an image using the GD functions.

[Weedpacket]

Is displaying the email addresss actually necessary at all? What is it for?