mb_encoding_aliases

(PHP 5 >= 5.3.0, PHP 7)

Get aliases of a known encoding type

array mb_encoding_aliases ( string $encoding )

Returns an array of aliases for a known encoding type.

Parameters:

encoding

The encoding type being checked, for aliases.

Returns:

Returns a numerically indexed array of encoding aliases on success, or FALSE on failure

Exception:

Emits an E_WARNING level error if encoding is unknown.

Examples:

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";
 
}
?>

The above example will output something similar to:

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
)