valid_unicode( int $i )

Helper function to determine if a Unicode value is valid.


Parameters

$i

(Required) Unicode value


Return

(bool) True if the value was a valid Unicode number


Source

File: wp-includes/kses.php

function valid_unicode($i) {
	return ( $i == 0x9 || $i == 0xa || $i == 0xd ||
			($i >= 0x20 && $i <= 0xd7ff) ||
			($i >= 0xe000 && $i <= 0xfffd) ||
			($i >= 0x10000 && $i <= 0x10ffff) );
}


Changelog

Changelog
Version Description
WP-2.7.0 Introduced.