mb_encoding_aliases
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
mb_encoding_aliases — Get aliases of a known encoding type
说明
Returns an array of aliases for a known encoding type.
参数
-
encoding -
The encoding type being checked, for aliases.
返回值
Returns a numerically indexed array of encoding aliases.
错误／异常
Throws a ValueError if
encoding is unknown.
更新日志
| 版本 | 说明 |
|---|---|
| 8.0.0 |
If the encoding is unknown, a ValueError
is now thrown; previously an E_WARNING was emitted,
and the function returned false.
|
示例
示例 #1 mb_encoding_aliases() example
<?php
$encoding = 'ASCII';
$known_encodings = mb_list_encodings();
if (in_array($encoding, $known_encodings)) {
$aliases = mb_encoding_aliases($encoding);
print_r($aliases);
} else {
echo "Unknown ($encoding) encoding.\n";
}
?>以上示例的输出类似于：
Array
(
[0] => ANSI_X3.4-1968
[1] => iso-ir-6
[2] => ANSI_X3.4-1986
[3] => ISO_646.irv:1991
[4] => US-ASCII
[5] => ISO646-US
[6] => us
[7] => IBM367
[8] => cp367
[9] => csASCII
)
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