PHP5中文手册·Make a string's first character uppercase -- 追寻梦想＞编程乐园＞PHP 编程

说明

string ucfirst ( string $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 (a) will not be converted.

参数

str: The input string.

返回值

Returns the resulting string.

范例

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!
?>


	PHP5中文手册 trim ucwords Strings PHP Manual ucfirst (PHP 4, PHP 5) ucfirst — Make a string's first character uppercase 说明 string ucfirst ( string `$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 (a) will not be converted. 参数 `str` The input string. 返回值 Returns the resulting string. 范例 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! ?>` 参见 strtolower() strtoupper() ucwords() trim ucwords Strings PHP Manual

ucfirst

说明

参数

返回值

范例

参见