How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?

Question

Is there a function in PHP that can decode Unicode escape sequences like \"\\u00ed\" to \"í\" and all other similar occurrences?

I found si

Answer 1

PHP 7+

As of PHP 7, you can use the Unicode codepoint escape syntax to do this.

echo "\u{00ed}"; outputs í.