2023-09-13 13:01:23 +00:00
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<?php
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2023-11-07 13:04:56 +00:00
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include "../../data/config.php";
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2023-09-13 13:01:23 +00:00
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new autocomplete();
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class autocomplete{
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public function __construct(){
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header("Content-Type: application/json");
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$this->scrapers = [
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"brave" => "https://search.brave.com/api/suggest?q={searchTerms}",
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"ddg" => "https://duckduckgo.com/ac/?q={searchTerms}&type=list",
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"yandex" => "https://suggest.yandex.com/suggest-ff.cgi?part={searchTerms}&uil=en&v=3&sn=5&lr=21276&yu=4861394161661655015",
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"google" => "https://www.google.com/complete/search?client=mobile-gws-lite&q={searchTerms}",
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"qwant" => "https://api.qwant.com/v3/suggest/?q={searchTerms}&client=opensearch",
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"yep" => "https://api.yep.com/ac/?query={searchTerms}",
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"marginalia" => "https://search.marginalia.nu/suggest/?partial={searchTerms}",
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"yt" => "https://suggestqueries-clients6.youtube.com/complete/search?client=youtube&q={searchTerms}",
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2023-11-07 13:04:56 +00:00
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"sc" => "https://api-v2.soundcloud.com/search/queries?q={searchTerms}&client_id=" . config::SC_CLIENT_TOKEN . "&limit=10&offset=0&linked_partitioning=1&app_version=1693487844&app_locale=en"
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2023-09-13 13:01:23 +00:00
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];
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/*
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Sanitize input
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*/
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if(!isset($_GET["s"])){
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$this->do404("Missing search(s) parameter");
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}
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if(is_string($_GET["s"]) === false){
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$this->do404("Invalid search(s) parameter");
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}
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if(strlen($_GET["s"]) > 500){
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$this->do404("Search(s) exceeds the 500 char length");
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}
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if(
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isset($_GET["scraper"]) &&
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is_string($_GET["scraper"]) === false
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){
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$_GET["scraper"] = "brave"; // default option
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}
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/*
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Get $scraper
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*/
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if(!isset($_GET["scraper"])){
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if(isset($_COOKIE["scraper_ac"])){
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$scraper = $_COOKIE["scraper_ac"];
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}else{
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$scraper = "brave"; // default option
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}
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}else{
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$scraper = $_GET["scraper"];
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}
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if($scraper == "disabled"){
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// this shouldnt happen, but let's handle it anyways
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$this->doempty();
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}
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// make sure it exists
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if(!isset($this->scrapers[$scraper])){
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$scraper = "brave"; // default option
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}
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// return results
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switch($scraper){
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case "google":
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case "yt":
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// handle google cause they want to be a special snowflake :(
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$js = $this->get($this->scrapers[$scraper], $_GET["s"]);
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preg_match(
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'/\((\[.*\])\)/',
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$js,
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$js
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);
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if(!isset($js[1])){
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$this->doempty();
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}
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$js = json_decode($js[1]);
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$json = [];
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foreach($js[1] as $item){
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2023-10-16 06:30:43 +00:00
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$json[] = htmlspecialchars_decode(strip_tags($item[0]));
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2023-09-13 13:01:23 +00:00
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}
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echo json_encode(
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[
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$_GET["s"],
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$json
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2023-11-07 13:04:56 +00:00
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],
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JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES
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2023-09-13 13:01:23 +00:00
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);
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break;
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case "sc":
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// soundcloud
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$js = $this->get($this->scrapers[$scraper], $_GET["s"]);
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$js = json_decode($js, true);
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if(!isset($js["collection"])){
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$this->doempty();
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}
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$json = [];
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foreach($js["collection"] as $item){
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$json[] = $item["query"];
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}
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echo json_encode(
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[
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$_GET["s"],
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$json
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2023-11-07 13:04:56 +00:00
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],
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JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES
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2023-09-13 13:01:23 +00:00
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);
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break;
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case "marginalia":
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$json = $this->get($this->scrapers[$scraper], $_GET["s"]);
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$json = json_decode($json, true);
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if($json === null){
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$this->doempty();
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}
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echo json_encode(
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[
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$_GET["s"],
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$json
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2023-11-07 13:04:56 +00:00
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],
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JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES
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2023-09-13 13:01:23 +00:00
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);
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break;
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default:
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// if it respects the openSearch protocol
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$json = json_decode($this->get($this->scrapers[$scraper], $_GET["s"]), true);
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echo json_encode(
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[
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$_GET["s"],
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$json[1] // ensure it contains valid key 0
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2023-11-07 13:04:56 +00:00
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],
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JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES
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2023-09-13 13:01:23 +00:00
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);
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break;
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}
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}
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private function get($url, $query){
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2023-11-07 13:04:56 +00:00
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try{
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$curlproc = curl_init();
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$url = str_replace("{searchTerms}", urlencode($query), $url);
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curl_setopt($curlproc, CURLOPT_URL, $url);
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curl_setopt($curlproc, CURLOPT_ENCODING, ""); // default encoding
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curl_setopt($curlproc, CURLOPT_HTTPHEADER,
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["User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/116.0",
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"Accept: application/json, text/javascript, */*; q=0.01",
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"Accept-Language: en-US,en;q=0.5",
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"Accept-Encoding: gzip",
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"DNT: 1",
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"Connection: keep-alive",
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"Sec-Fetch-Dest: empty",
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"Sec-Fetch-Mode: cors",
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"Sec-Fetch-Site: same-site"]
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);
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curl_setopt($curlproc, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($curlproc, CURLOPT_SSL_VERIFYHOST, 2);
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curl_setopt($curlproc, CURLOPT_SSL_VERIFYPEER, true);
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curl_setopt($curlproc, CURLOPT_CONNECTTIMEOUT, 30);
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curl_setopt($curlproc, CURLOPT_TIMEOUT, 30);
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$data = curl_exec($curlproc);
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if(curl_errno($curlproc)){
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throw new Exception(curl_error($curlproc));
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}
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curl_close($curlproc);
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return $data;
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2023-09-13 13:01:23 +00:00
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2023-11-07 13:04:56 +00:00
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}catch(Exception $error){
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2023-09-13 13:01:23 +00:00
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2023-11-07 13:04:56 +00:00
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do404("Curl error: " . $error->getMessage());
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2023-09-13 13:01:23 +00:00
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}
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}
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private function do404($error){
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2023-11-07 13:04:56 +00:00
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echo json_encode(
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["error" => $error],
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JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES
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);
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2023-09-13 13:01:23 +00:00
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die();
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}
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private function doempty(){
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echo json_encode(
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[
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$_GET["s"],
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[]
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2023-11-07 13:04:56 +00:00
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],
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JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES
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2023-09-13 13:01:23 +00:00
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);
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die();
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}
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}
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