wpseek.com
A WordPress-centric search engine for devs and theme authors



valid_unicode › WordPress Function

Since2.7.0
Deprecatedn/a
› valid_unicode ( $i )
Parameters:
  • (int) $i Unicode codepoint.
    Required: Yes
Returns:
  • (bool) Whether or not the codepoint is a valid Unicode codepoint.
Defined at:
Codex:

Determines if a Unicode codepoint is valid.



Related Functions: wp_validate_auth_cookie, add_shortcode, validate_username, validate_user_form, wp_video_shortcode

Source 

function valid_unicode( $i ) {
	$i = (int) $i;

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