Strings
PHP Manual

ucwords

(PHP 4, PHP 5)

ucwords — Uppercase the first character of each word in a string

说明

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).

参数

str

The input string.

返回值

Returns the modified string.

范例

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!
?>

注释

Note: 本函数可安全用于二进制对象。

参见


Strings
PHP Manual