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); ?>
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     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.