function output($format, $target = "html")
{
preg_match_all("/(#@?_?[A-Za-z0-9]+)({([^}]+)})?/", $format, $placeholders);
$output_string = $format;
$replaces = array();
foreach ($placeholders[1] as $key => $result) {
$replace = '';
$full_result = $placeholders[0][$key];
switch ($result) {
case '#_BOOKINGTICKETNAME':
case '#_BOOKINGTICKETDESCRIPTION':
case '#_BOOKINGTICKETPRICEWITHTAX':
case '#_BOOKINGTICKETPRICEWITHOUTTAX':
case '#_BOOKINGTICKETTAX':
case '#_BOOKINGTICKETPRICE':
$replace = '';
//this booking object doesn't have 'tickets', all these become defunct
break;
case '#_BOOKINGTICKETS':
//change how this placeholder displays, for backwards compatability
ob_start();
emp_locate_template('placeholders/bookingtickets-multiple.php', true, array('EM_Multiple_Booking' => $this));
$replace = ob_get_clean();
break;
case '#_BOOKINGSUMMARY':
//change how this placeholder displays, for backwards compatability
ob_start();
emp_locate_template('placeholders/bookingsummary-multiple.php', true, array('EM_Multiple_Booking' => $this));
$replace = ob_get_clean();
break;
case '#_BOOKINGATTENDEES':
//change how this placeholder displays, for backwards compatability
ob_start();
emp_locate_template('placeholders/bookingattendees-multiple.php', true, array('EM_Multiple_Booking' => $this));
$replace = ob_get_clean();
break;
default:
$replace = $full_result;
break;
}
$replaces[$full_result] = apply_filters('em_multiple_booking_output_placeholder', $replace, $this, $full_result, $target);
}
//sort out replacements so that during replacements shorter placeholders don't overwrite longer varieties.
krsort($replaces);
foreach ($replaces as $full_result => $replacement) {
$output_string = str_replace($full_result, $replacement, $output_string);
}
$output_string = parent::output($output_string, $target);
//run through original booking object for commonly used fields
return apply_filters('em_multiple_booking_output', $output_string, $this, $format, $target);
}
