ucwords

Description

string ucwords ( string $str [,  string $delimiters = " \t\r\n\f\v"  ] )

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 any character listed in the delimiters parameter (By default these are: space, form-feed, newline, carriage return, horizontal tab, and vertical tab).