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# ucwords

(PHP 3>= 3.0.3, PHP 4 , PHP 5)

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).

示範 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! ?>`

> 備注:這個函數可安全的使用於二進位。

See also strtoupper(), strtolower() and ucfirst().

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