ponepaste/api/ajax_pastes.php

<?php
header('Content-Type: application/json; charset=UTF-8');

define('IN_PONEPASTE', 1);
//require_once('../includes/config.php');
require_once('../includes/common.php');
require_once('../includes/NonRetardedSSP.class.php');

function transformDataRow($row) {
    $titleHtml = '<a href="/' . urlencode($row[0]) . '">' . pp_html_escape($row[1]) . '</a>';
    $authorHtml = '<a href="' . urlencode($row[2]) . '">' . pp_html_escape($row[2]) . '</a>';
    $tagsHtml = tagsToHtml($row[3]);

    return [
        $titleHtml,
        $authorHtml,
        $tagsHtml
    ];
}

$data = NonRetardedSSP::run(
    $conn, $_GET,
    'SELECT COUNT(*) FROM pastes',
    'SELECT pastes.id AS id, title, users.username, GROUP_CONCAT(tags.name SEPARATOR \',\') AS tagsys FROM pastes
                INNER JOIN users ON users.id = pastes.user_id
                INNER JOIN paste_taggings on pastes.id = paste_taggings.paste_id
                INNER JOIN tags ON tags.id = paste_taggings.tag_id
                GROUP BY pastes.id'
);


$data['data'] = array_map('transformDataRow', $data['data']);

echo json_encode($data);