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_wp_iso_convert() WP 3.1.0

Helper function to convert hex encoded chars to ASCII

This is an internal function for using it by WP core itself. It's not recommended to use this function in your code.

No Hooks.

Return

String. Converted chars

Usage

_wp_iso_convert( $match );
$match(array) (required)
The preg_replace_callback matches array

Changelog

Since 3.1.0 Introduced.

Code of _wp_iso_convert() WP 5.7.2

<?php
function _wp_iso_convert( $match ) {
	return chr( hexdec( strtolower( $match[1] ) ) );
}