chr
    (PHP 3, PHP 4 )
chr -- Return a specific character
Description
string 
chr ( int ascii)
     Returns a one-character string containing the character specified      by ascii.      
| Example 1. chr() example | <?php
$str = "The string ends in escape: ";
$str .= chr(27); /* add an escape character at the end of $str */
/* Often this is more useful */
$str = sprintf("The string ends in escape: %c", 27);
 ?> | 
 | 
     
     You can find an ASCII-table over here: http://www.asciitable.com.     
     This function complements ord(). See also      sprintf() with a format string of      %c.