export-public-entities.php

<?php
ini_set('display_errors', 1);

$_SERVER["HTTP_HOST"] = "pleio.dev";
$_SERVER["HTTPS"] = false;

require_once(dirname(__FILE__) . "/engine/start.php");

$options = array(
    'type' => 'object',
    'limit' => false,
    'subtypes' => array('file','events','blog','bookmark','page_top','page','event','question'),
    'access_ids' => array(ACCESS_PUBLIC, ACCESS_LOGGED_IN)
);

$file = fopen('export.json', 'w');
$i = 0;

$subtypes = array();
foreach (array('file','events','blog','bookmark','page_top','page','event','question') as $subtype) {
    $subtype = get_subtype_id('object', $subtype);
    if ($subtype) {
        $subtypes[] = $subtype;
    }
}


$sql = "SELECT guid FROM elgg_entities WHERE type='object' AND subtype IN (" . implode(",", $subtypes) . ") AND access_id IN (1,2)";
$rows = get_data($sql);

if (!is_dir("file")) {
    mkdir("file");
}

foreach ($rows as $row) {
    $entity = get_entity($row->guid);
    if (!$entity) {
        continue;
    }

    $subtype = $entity->getSubtype();

    $json = array(
        'type' => $entity->type,
        'subtype' => $subtype,
        'title' => $entity->title,
        'description' => $entity->description,
        'access_id' => $entity->access_id
    );

    if ($subtype == "file") {
        $json['filename'] = $entity->getFilename();
    }

    if (file_exists($entity->getFilenameOnFilestore())) {
        copy($entity->getFilenameOnFilestore(), $entity->getFilename());
    }

    fwrite($file, json_encode($json) . PHP_EOL);
    $i++;

    if ($i === 1000) {
        break;
    }
}

fclose($file);