Gnist Design in reply to:
Filter order is wrong for Scandinavian characters

#274982

It does not respect the collation, which is set to utf8mb4_danish_ci.

I had to use a filter to fix it:

function sfp_sort_scandinavian( $input_object, $sfid ) {

	if ( '_sfm_employees' === $input_object['name'] ) {

		usort( $input_object['options'], function( $a, $b ) {
			return strcmp( $a->value, $b->value );
		});
	}

	return $input_object;
}
add_filter( 'sf_input_object_pre', 'sfp_sort_scandinavian', 10, 2 );

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