dump_attendee_eventbrite.php

<?php
// dump list attendees from eventbrite event.
$conf = include("config.php");
// the config php like as
// <?php
// 
// return [
// "token"=>"***",
// "event_id"=>"1234567890",
// ];

$continuation = "";
$has_more_items = true;

$attendees = [];
while($has_more_items===true) {
    echo ".";
    $json = file_get_contents("https://www.eventbriteapi.com/v3/events/{$conf["event_id"]}/attendees/?token={$conf["token"]}&continuation={$continuation}");
    $data = json_decode($json);

//    var_dump($data->pagination);

    $continuation = $data->pagination->continuation;
    $has_more_items = $data->pagination->has_more_items;

    $attendees = array_merge($attendees, $data->attendees);
}

echo PHP_EOL;

var_dump($attendees[0]);

file_put_contents("full_attendee.json", json_encode($attendees, JSON_PRETTY_PRINT));

echo PHP_EOL."done! see full_attendee.json";