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wp_is_uuid › WordPress Function

Since4.9.0
Deprecatedn/a
› wp_is_uuid ( $uuid, $version = null )
Parameters: (2)
  • (mixed) $uuid UUID to check.
    Required: Yes
  • (int) $version Specify which version of UUID to check against. Default is none, to accept any UUID version. Otherwise, only version allowed is `4`.
    Required: No
    Default: null
Returns:
  • (bool) The string is a valid UUID or false on failure.
Defined at:
Codex:

Validates that a UUID is valid.



Related Functions: wp_unique_id, wp_is_mobile, wp_list_widgets, wp_admin_css_uri, wp_list_pluck

Source 

function wp_is_uuid( $uuid, $version = null ) {

	if ( ! is_string( $uuid ) ) {
		return false;
	}

	if ( is_numeric( $version ) ) {
		if ( 4 !== (int) $version ) {
			_doing_it_wrong( __FUNCTION__, __( 'Only UUID V4 is supported at this time.' ), '4.9.0' );
			return false;
		}
		$regex = '/^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/';
	} else {
		$regex = '/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/';
	}

	return (bool) preg_match( $regex, $uuid );
}