Title: Requests_IDNAEncoder::utf8_to_codepoints
Published: August 16, 2016
Last modified: November 2, 2022

---

# Requests_IDNAEncoder::utf8_to_codepoints( string $input ): array

## In this article

 * [Description](https://developer.wordpress.org/reference/classes/requests_idnaencoder/utf8_to_codepoints/?output_format=md#description)
 * [Parameters](https://developer.wordpress.org/reference/classes/requests_idnaencoder/utf8_to_codepoints/?output_format=md#parameters)
 * [Return](https://developer.wordpress.org/reference/classes/requests_idnaencoder/utf8_to_codepoints/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/requests_idnaencoder/utf8_to_codepoints/?output_format=md#source)

[ Back to top](https://developer.wordpress.org/reference/classes/requests_idnaencoder/utf8_to_codepoints/?output_format=md#wp--skip-link--target)

Convert a UTF-8 string to a UCS-4 codepoint array

## 󠀁[Description](https://developer.wordpress.org/reference/classes/requests_idnaencoder/utf8_to_codepoints/?output_format=md#description)󠁿

Based on [Requests_IRI::replace_invalid_with_pct_encoding()](https://developer.wordpress.org/reference/classes/requests_iri/replace_invalid_with_pct_encoding/)

## 󠀁[Parameters](https://developer.wordpress.org/reference/classes/requests_idnaencoder/utf8_to_codepoints/?output_format=md#parameters)󠁿

 `$input`stringrequired

## 󠀁[Return](https://developer.wordpress.org/reference/classes/requests_idnaencoder/utf8_to_codepoints/?output_format=md#return)󠁿

 array Unicode code points

## 󠀁[Source](https://developer.wordpress.org/reference/classes/requests_idnaencoder/utf8_to_codepoints/?output_format=md#source)󠁿

[View all references](https://developer.wordpress.org/reference/files/wp-includes/requests/idnaencoder.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/Requests/IDNAEncoder.php#L138)

## User Contributed Notes

You must [log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fdeveloper.wordpress.org%2Freference%2Fclasses%2Frequests_idnaencoder%2Futf8_to_codepoints%2F)
before being able to contribute a note or feedback.