The functions, “utf8_encode” and “utf8_decode” are used to convert strings from ISO-8859-1 encoding to UTF-8 encoding.
They will always convert the character encoding because they will not detect the actual character encoding in the text.
PHP contains both functions, but they cannot detect or convert other character codes like UTF-16 to UTF-8.
Due to misleading function names, little or no error messages, and no support, neither the “utf8_encoide” and “utf8_decode” functions are deprecated in PHP 8.2.
How to fix “The utf8_encode and utf8_decode functions are deprecated in PHP 8.2”
To fix the error “The utf8_encode and utf8_decode functions are deprecated in PHP 8.2”, you need to use the “mb_convert_encoding” function instead of the “utf8_encode” or “utf8_decode” functions.
You can also use the intl and iconv extensions to convert character encodings.
Problem: In PHP 8.2, the utf8_encode and utf8_decode functions are deprecated.
UTF-8 $iso88592 = utf8_decode($utf8); // UTF-8 -> ISO-8859-2
Using the utf8_encode and utf8_decode functions gives this warning:
Deprecated: Function utf8_encode() is deprecated in main.php on line 3 Deprecated: Function utf8_decode() is deprecated in main.php on line 4
Solution: Use the “mb_convert_encoding” function.
UTF-8 $iso88592 = mb_convert_encoding($utf8, ‘ISO-8859-2’, ‘UTF-8’); // UTF-8 -> ISO-8859-2
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Source: thpttranhungdao.edu.vn/en/
