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vdbhb59 2025-02-21 21:50:36 +05:30
commit c9898cf261
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64
engines/text/duckduckgo.php Normal file
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<?php
class DuckDuckGoRequest extends EngineRequest {
public function get_request_url() {
$query_encoded = str_replace("%22", "\"", urlencode($this->query));
$results = array();
$domain = 'com';
$results_language = $this->opts->language;
$number_of_results = $this->opts->number_of_results;
$url = "https://html.duckduckgo.$domain/html/?q=$query_encoded&kd=-1&s=" . 3 * $this->page;
if (3 > strlen($results_language) && 0 < strlen($results_language))
$url .= "&lr=lang_$results_language";
if (3 > strlen($number_of_results) && 0 < strlen($number_of_results))
$url .= "&num=$number_of_results";
if (isset($_COOKIE["safe_search"]))
$url .= "&safe=medium";
return $url;
}
public function parse_results($response) {
$results = array();
$xpath = get_xpath($response);
if (!$xpath)
return $results;
foreach($xpath->query("/html/body/div[1]/div[". count($xpath->query('/html/body/div[1]/div')) ."]/div/div/div[contains(@class, 'web-result')]/div") as $result) {
$url = $xpath->evaluate(".//h2[@class='result__title']//a/@href", $result)[0];
if ($url == null)
continue;
if (!empty($results)) { // filter duplicate results
if (end($results)["url"] == $url->textContent)
continue;
}
$url = $url->textContent;
$title = $xpath->evaluate(".//h2[@class='result__title']", $result)[0];
$description = $xpath->evaluate(".//a[@class='result__snippet']", $result)[0];
array_push($results,
array (
"title" => htmlspecialchars($title->textContent),
"url" => htmlspecialchars($url),
// base_url is to be removed in the future, see #47
"base_url" => htmlspecialchars(get_base_url($url)),
"description" => $description == null ?
TEXTS["result_no_description"] :
htmlspecialchars($description->textContent)
)
);
}
return $results;
}
}
?>