(PHP 4, PHP 5)
ucfirst — Make a string's first character uppercase
$str
   )
   Returns a string with the first character of
   str capitalized, if that character is
   alphabetic.
  
Note that 'alphabetic' is determined by the current locale. For instance, in the default "C" locale characters such as umlaut-a (รค) will not be converted.
strThe input string.
Returns the resulting string.
Example #1 ucfirst() example
<?php
$foo = 'hello world!';
$foo = ucfirst($foo);             // Hello world!
$bar = 'HELLO WORLD!';
$bar = ucfirst($bar);             // HELLO WORLD!
$bar = ucfirst(strtolower($bar)); // Hello world!
?>