What function can be used to decode special characters like "€" back to their original form in PHP?

Special characters like "€" are often encoded in a different format, such as UTF-8, which can cause them to display incorrectly. To decode these special characters back to their original form, you can use the PHP function `utf8_decode()`. This function converts a string with UTF-8 encoded characters to ISO-8859-1. 

$encodedString = "€";
$decodedString = utf8_decode($encodedString);

echo $decodedString; // Output: €

Keywords

PHP function decode special characters htmlentities

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