ucwords() function capitalizes the first letter of each word in a string.

 
Its syntax is: string ucwords (string string)

<?
$sentence = "cooking and programming";
$sentence = ucwords($sentence);
print $sentence;
?>

1.	Controlling Case
2.	ucwords() makes the first letter of every word in a string uppercase.
3.	ucwords.php
4.	string ucwords ( string str ) converts the first letter of each word in the string to an uppercase character, leaving the others untouched.
5.	submitted string lowercase with strtolower() before invoking ucwords():
6.	Prettifying names with ucwords()

ucwords() function capitalizes the first letter of each word in a string. : ucwords « String « PHP