utf8_encode()

utf8_encode() — Converts a string from ISO-8859-1 to UTF-8.

Built-in function of PHP 8.5. The manual lists it as available in PHP 4, PHP 5, PHP 7, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.

The PHP manual marks this function as deprecated (since PHP 8.2, visit the php.net documentation for various alternatives): do not use it in new code.

What it does

This function converts the string string from the ISO-8859-1 encoding to UTF-8.

Signature

utf8_encode(string $string): string

Parameters

Return value

Returns the UTF-8 translation of string.

Example

A runnable snippet:

// Convert the string 'Zoë' from ISO 8859-1 to UTF-8 $iso8859_1_string = "\x5A\x6F\xEB"; $utf8_string = utf8_encode($iso8859_1_string); echo bin2hex($utf8_string), "\n";

Output:

5a6fc3ab

Changelog

See also

utf8_decode(), mb_convert_encoding(), iconv()

All PHP 8.5 built-in functions

Reference card built from the PHP manual page utf8_encode() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.