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PHP5中文手册

unicode_encode

(No version information available, might be only in CVS)

unicode_encode — Convert a unicode string in any encoding

说明

string unicode_encode ( unicode $input , string $encoding [, int $errmode ] )

Takes a unicode string and converts it to a string in the specified encoding .

参数

input

The unicode string that is converted.

encoding

The new encoding for input .

errmode

Conversion error mode. This parameter determines the action to take when the converter cannot convert a character. For a list of available modes, refer to unicode_set_error_mode(). If the parameter is not set, the global error mode is used.

返回值

A string on success, or FALSE on failure.

错误/异常

Emits a E_WARNING level error if a converter cannot be created for the desired encoding .

范例

Example#1 A unicode_encode() example

Note: The characters will be seen instead of entities in the output.

<?php
header 
('Content-Type: text/plain; charset=ISO-8859-2');

$encoded unicode_encode ('\u0150\u0179''ISO-8859-2');

echo 
'Unicode semantics: 'ini_get ('unicode_semantics'), PHP_EOL;
echo 
'The string itself:'$encodedPHP_EOL;
echo 
'The length of the string: 'strlen ($encoded);
?>

上例的输出类似于:

Unicode semantics: 1
The string itself: &#336;&#377;
The length of the string: 2

注释

Warning

本函数是实验性的。本函数的行为,包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随 PHP 以后的发布而改变。使用本函数风险自担。