api.php

<?php
$config = require "config.php";
require "misc/tools.php";

if (!isset($_REQUEST["q"])) {
    echo "<p>Example API request: <a href=\"./api.php?q=gentoo&p=2&t=0\">./api.php?q=gentoo&p=2&t=0</a></p>
        <br/>
        <p>\"q\" is the keyword</p>
        <p>\"p\" is the result page (the first page is 0)</p>
        <p>\"t\" is the search type (0=text, 1=image, 2=video, 3=torrent, 4=tor)</p>
        <br/>
        <p>The results are going to be in JSON format.</p>
        <p>The API supports both POST and GET requests.</p>";

    die();
}

$query = $_REQUEST["q"];
$query_encoded = urlencode($query);
$page = isset($_REQUEST["p"]) ? (int)$_REQUEST["p"] : 0;
$type = isset($_REQUEST["t"]) ? (int)$_REQUEST["t"] : 0;

$results = array();

switch ($type) {
    case 0:
        require "engines/google/text.php";
        $results = get_text_results($query, $page);
        break;
    case 1:
        require "engines/qwant/image.php";
        $results = get_image_results($query_encoded, $page);
        break;
    case 2:
        require "engines/brave/video.php";
        $results = get_video_results($query_encoded);
        break;
    case 3:
        if ($config->disable_bittorent_search)
            $results = array("error" => "disabled");
        else {
            require "engines/bittorrent/merge.php";
            $results = get_merged_torrent_results($query_encoded);
        }
        break;
    case 4:
        if ($config->disable_hidden_service_search)
            $results = array("error" => "disabled");
        else {
            require "engines/ahmia/hidden_service.php";
            $results = get_hidden_service_results($query_encoded);
        }
        break;
    default:
        require "engines/google/text.php";
        $results = get_text_results($query_encoded, $page);
        break;
}

header("Content-Type: application/json");
echo json_encode($results);