JetAppointment Exclude not full-duration slots

code.php

<?php

add_filter( 'jet-apb/time-slots/slots-html/slots-list', function( $slots, $format, $dataset, $date, $service, $provider ) {

	$duration = jet_apb()->calendar->get_schedule_settings( $provider, $service, null, 'default_slot' );
	
	foreach ( $slots as $time => $slot ) {
		if ( $slot['to'] - $slot['from'] < $duration ) {
			unset( $slots[ $time ] );
		}
	}

	return $slots;
}, 0, 6 );