(PHP 6 >= 6.0.0)
unicode_encode — Convert a unicode string in any encoding
Takes a unicode string and converts it to a string in the specified encoding .
The unicode string that is converted.
The new encoding for input .
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.
A string on success, or FALSE on failure.
Emits a E_WARNING level error if a converter cannot be created for the desired encoding .
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:', $encoded, PHP_EOL;
echo 'The length of the string: ', strlen ($encoded);
?>
上例的输出类似于：
Unicode semantics: 1 The string itself: ŐŹ The length of the string: 2
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。