Hi Olly,

if I put

<?php
// =============================================================================
// FUNCTIONS.PHP
// -----------------------------------------------------------------------------
// Overwrite or add your own custom functions to X in this file.
// =============================================================================
add_action('wppizza_on_pickup_delivery_change', 'myprefix_openinghours_on_pickup');
function myprefix_openinghours_on_pickup($is_pickup){
global $wppizza_options;
/* change opening times if pickup is selected */
if($is_pickup){
/* mondays */
$wppizza_options['openingtimes']['opening_times_standard'][1]['open'] = '12:00';
$wppizza_options['openingtimes']['opening_times_standard'][1]['close'] = '22:00';
/* tuesdays */
$wppizza_options['openingtimes']['opening_times_standard'][2]['open'] = '12:00';
$wppizza_options['openingtimes']['opening_times_standard'][2]['close'] = '22:00';
/* wednesdays */
$wppizza_options['openingtimes']['opening_times_standard'][3]['open'] = '00:00';
$wppizza_options['openingtimes']['opening_times_standard'][3]['close'] = '00:00';
/* thursdays */
$wppizza_options['openingtimes']['opening_times_standard'][4]['open'] = '12:00';
$wppizza_options['openingtimes']['opening_times_standard'][4]['close'] = '22:00';
/* fridays */
$wppizza_options['openingtimes']['opening_times_standard'][5]['open'] = '12:00';
$wppizza_options['openingtimes']['opening_times_standard'][5]['close'] = '22:00';
/* saturdays */
$wppizza_options['openingtimes']['opening_times_standard'][6]['open'] = '12:00';
$wppizza_options['openingtimes']['opening_times_standard'][6]['close'] = '22:00';
/* sundays */
$wppizza_options['openingtimes']['opening_times_standard'][0]['open'] = '12:00';
$wppizza_options['openingtimes']['opening_times_standard'][0]['close'] = '22:00';
unset(wppizza[openingtimes][times_closed_standard]);
}
}
add_filter('wppizza_filter_force_pickup_toggle_display', 'my_prefix_force_pickup_toggle');
function my_prefix_force_pickup_toggle(){
return true;
}

I get blank page, same with alternative