ucwords
    (PHP 3>= 3.0.3, PHP 4 )
ucwords -- 
     Uppercase the first character of each word in a string
    
Description
string 
ucwords ( string str)
     Returns a string with the first character of each word in
     str capitalized, if that character is
     alphabetic.
    
     The definition of a word is any string of characters
     that is immediately after a whitespace (These  are:
     space, form-feed, newline, carriage return, horizontal tab,
     and vertical tab).
    
     
Example 1. ucwords() example <?php
$foo = 'hello world!';
$foo = ucwords($foo);             // Hello World! 
$bar = 'HELLO WORLD!';
$bar = ucwords($bar);             // HELLO WORLD!
$bar = ucwords(strtolower($bar)); // Hello World!
?>  |  
  | 
    
     See also strtoupper(),
     strtolower() and ucfirst().