How Can I Efficiently Replace Umlauts with ASCII Equivalents in UTF-8 PHP Strings?

Replacing Umlauts with ASCII Equivalents in UTF-8 Strings

In PHP, converting Unicode characters like umlauts to their nearest 7-bit ASCII equivalents can be a challenge. strtr() and utf8_decode() can assist, but encounter limitations with special characters.

To simplify this process without an ISO-8859-15 include, consider using the iconv() function. The following example illustrates its usage:

$input = "lärm";

$result = iconv("utf-8","ascii//TRANSLIT",$input);

echo $result; // outputs "larm"

By specifying the "ascii//TRANSLIT" character set, iconv() automatically converts umlauts to their closest ASCII counterparts, maintaining the string's meaning while removing accents.

This method provides an efficient and straightforward solution for replacing umlauts with their ASCII equivalents in UTF-8 strings.

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