function crawl($text, $imageQuantity, $header)
{
if (preg_match(Regex::$URL_REGEX, $text, $match)) {
$title = "";
$description = "";
$videoIframe = "";
$video = false;
if (strpos($match[0], " ") === 0) {
$match[0] = "http://" . substr($match[0], 1);
}
$finalUrl = $match[0];
$pageUrl = $finalUrl;
if (Content::isImage($pageUrl)) {
$images = [$pageUrl];
} else {
$urlData = $this->getPage($pageUrl);
if (!$urlData["content"] && strpos($pageUrl, "//www.") === false) {
if (strpos($pageUrl, "http://") !== false) {
$pageUrl = str_replace("http://", "http://www.", $pageUrl);
} elseif (strpos($pageUrl, "https://") !== false) {
$pageUrl = str_replace("https://", "https://www.", $pageUrl);
}
$urlData = $this->getPage($pageUrl);
}
$pageUrl = $finalUrl = $urlData["url"];
$raw = $urlData["content"];
$header = $urlData["header"];
$metaTags = Content::getMetaTags($raw);
$tempTitle = Content::extendedTrim($metaTags["title"]);
if ($tempTitle != "") {
$title = $tempTitle;
}
if ($title == "") {
if (preg_match(Regex::$TITLE_REGEX, str_replace("\n", " ", $raw), $matching)) {
$title = $matching[2];
}
}
$tempDescription = Content::extendedTrim($metaTags["description"]);
if ($tempDescription != "") {
$description = $tempDescription;
} else {
$description = Content::crawlCode($raw);
}
$descriptionUnderstood = false;
if ($description != "") {
$descriptionUnderstood = true;
}
if ($descriptionUnderstood == false && strlen($title) > strlen($description) && !preg_match(Regex::$URL_REGEX, $description) && $description != "" && !preg_match('/[A-Z]/', $description) || $title == $description) {
$title = $description;
$description = Content::crawlCode($raw);
}
if (Content::isJson($title)) {
$title = "";
}
if (Content::isJson($description)) {
$description = "";
}
$media = $this->getMedia($pageUrl);
$images = count($media) == 0 ? array(Content::extendedTrim($metaTags["image"])) : array($media[0]);
$videoIframe = $media[1];
if (count($images) == 0 || $images[0] === "") {
$images = Content::getImages($raw, $pageUrl, $imageQuantity);
}
if ($media != null && $media[0] != "" && $media[1] != "") {
$video = true;
}
$title = Content::extendedTrim($title);
$pageUrl = Content::extendedTrim($pageUrl);
$description = Content::extendedTrim($description);
$description = preg_replace(Regex::$SCRIPT_REGEX, "", $description);
}
$finalLink = explode("&", $finalUrl);
$finalLink = $finalLink[0];
$description = strip_tags($description);
$videoIframe = $videoIframe == null ? "" : $videoIframe;
$answer = array("title" => $title, "url" => $finalLink, "pageUrl" => $finalUrl, "canonicalUrl" => Url::canonicalPage($pageUrl), "description" => $description, "image" => $images[0], "images" => $images, "video" => $video, "videoIframe" => $videoIframe);
$result_json = Json::jsonSafe($answer, $header);
$result_json_decoded = json_decode($result_json);
$flagged = false;
if (!isset($result_json_decoded->title)) {
$title = utf8_encode($title);
$flagged = true;
}
if (!isset($result_json_decoded->description)) {
$description = utf8_encode($description);
$flagged = true;
}
if ($flagged) {
$answer = array("title" => $title, "url" => $finalLink, "pageUrl" => $finalUrl, "canonicalUrl" => Url::canonicalPage($pageUrl), "description" => $description, "image" => $images[0], "images" => $images, "video" => $video, "videoIframe" => $videoIframe);
return Json::jsonSafe($answer, $header);
} else {
return $result_json;
}
}
return null;
}
function crawl($text, $imageQuantity, $header)
{
if (preg_match(Regex::$urlRegex, $text, $match)) {
$title = "";
$description = "";
$videoIframe = "";
$video = "no";
//if (strpos($match[0], " ") === 0)
// $match[0] = "http://" . substr($match[0], 1);
$finalUrl = $text;
$pageUrl = str_replace("https://", "http://", $finalUrl);
$images = [];
if (Content::isImage($pageUrl)) {
$images[] = $pageUrl;
} else {
$urlData = $this->getPage($pageUrl);
if (!$urlData["content"] && strpos($pageUrl, "//www.") === false) {
if (strpos($pageUrl, "http://") !== false) {
$pageUrl = str_replace("http://", "http://www.", $pageUrl);
} elseif (strpos($pageUrl, "https://") !== false) {
$pageUrl = str_replace("https://", "https://www.", $pageUrl);
}
$urlData = $this->getPage($pageUrl);
}
$pageUrl = $finalUrl = $urlData["url"];
$raw = $urlData["content"];
$header = $urlData["header"];
$headers = $urlData["headers"];
$metaTags = Content::getMetaTags($raw);
$tempTitle = Content::extendedTrim($metaTags["title"]);
if ($tempTitle != "") {
$title = $tempTitle;
}
if ($title == "") {
if (preg_match(Regex::$titleRegex, str_replace("\n", " ", $raw), $matching)) {
$title = $matching[2];
}
}
$tempDescription = Content::extendedTrim($metaTags["description"]);
if ($tempDescription != "") {
$description = $tempDescription;
} else {
$description = Content::crawlCode($raw);
}
$descriptionUnderstood = false;
if ($description != "") {
$descriptionUnderstood = true;
}
if ($descriptionUnderstood == false && strlen($title) > strlen($description) && !preg_match(Regex::$urlRegex, $description) && $description != "" && !preg_match('/[A-Z]/', $description) || $title == $description) {
$title = $description;
$description = Content::crawlCode($raw);
}
if (Content::isJson($title)) {
$title = "";
}
if (Content::isJson($description)) {
$description = "";
}
$media = self::getMedia($pageUrl);
if (count($media) == 0) {
foreach ($metaTags['images'] as $metaImage) {
$images[] = !preg_match(Regex::$httpRegex, $metaImage) ? Url::canonicalLink(Content::extendedTrim($metaImage), $pageUrl) : $metaImage;
}
} else {
$images[] = $media[0];
$videoIframe = $media[1];
}
$images = array_merge($images, Content::getImages($raw, $pageUrl, $imageQuantity));
$images = array_keys(array_flip($images));
// filter out duplicate image urls
if ($media != null && $media[0] != "" && $media[1] != "") {
$video = "yes";
}
$title = Content::extendedTrim($title);
$pageUrl = Content::extendedTrim($pageUrl);
$description = Content::extendedTrim($description);
$description = preg_replace(Regex::$scriptRegex, "", $description);
}
$finalLink = explode("&", $finalUrl);
$finalLink = $finalLink[0];
$description = strip_tags($description);
$can_brand = true;
if (isset($headers["x-frame-options"]) && $headers["x-frame-options"] == "SAMEORIGIN") {
$can_brand = false;
}
$answer = array("title" => $title, "url" => $finalLink, "pageUrl" => $finalUrl, "canonicalUrl" => Url::canonicalPage($pageUrl), "description" => $description, "images" => $images, "video" => $video, "videoIframe" => $videoIframe, "canBrand" => $can_brand);
$result_json = Json::jsonSafe($answer, $header);
$result_json_decoded = json_decode($result_json);
$flagged = false;
if (!isset($result_json_decoded->title)) {
$title = utf8_encode($title);
$flagged = true;
}
if (!isset($result_json_decoded->description)) {
$description = utf8_encode($description);
$flagged = true;
}
if ($flagged) {
$answer = array("title" => $title, "url" => $finalLink, "pageUrl" => $finalUrl, "canonicalUrl" => Url::canonicalPage($pageUrl), "description" => $description, "images" => $images, "video" => $video, "videoIframe" => $videoIframe, "canBrand" => $can_brand);
return Json::jsonSafe($answer, $header);
} else {
return $result_json;
}
}
return null;
}
<?php /** * Copyright (c) 2014 Leonardo Cardoso (http://leocardz.com) * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses. * * Version: 1.3.0 */ include_once "classes/Database.php"; include_once "classes/SetUp.php"; include_once "classes/Json.php"; SetUp::headers(); $header = ""; $answer = Database::select(); echo Json::jsonSafe($answer, $header);
function crawl($text, $imageQuantity, $header)
{
if (preg_match(Regex::$urlRegex, $text, $match)) {
$title = "";
$description = "";
$videoIframe = "";
$video = 0;
if (strpos($match[0], " ") === 0) {
$match[0] = "http://" . substr($match[0], 1);
}
$finalUrl = $match[0];
$flag11 = false;
if (strpos($finalUrl, "https://") !== false) {
//echo "<pre>";print_r($finalUrl);
$flag11 = true;
}
$pageUrl = str_replace("https://", "http://", $finalUrl);
if (Content::isImage($pageUrl)) {
$images = $pageUrl;
} else {
$urlData = $this->getPage($pageUrl);
if (strpos($urlData["content"], "301 Moved Permanently") !== false) {
if ($flag11 == true) {
$pageUrl = str_replace("http://", "https://", $finalUrl);
}
$urlData = $this->getPage($pageUrl);
}
if (!$urlData["content"] && strpos($pageUrl, "//www.") === false) {
if (strpos($pageUrl, "http://") !== false) {
$pageUrl = str_replace("http://", "http://www.", $pageUrl);
} elseif (strpos($pageUrl, "https://") !== false) {
$pageUrl = str_replace("https://", "https://www.", $pageUrl);
}
$urlData = $this->getPage($pageUrl);
}
$urlData = Content::stripIrrelevantTags($urlData);
$pageUrl = $finalUrl = $urlData["url"];
$raw = $urlData["content"];
//echo "<pre>";print_r($raw);
$header = $urlData["header"];
$metaTags = Content::getMetaTags($raw);
//echo "<pre>";print_r($metaTags);exit;
$keywords = "";
if (isset($metaTags["keywords"])) {
$keywords = $metaTags["keywords"];
}
$tempTitle = Content::extendedTrim($metaTags["title"]);
if ($tempTitle != "") {
$title = $tempTitle;
}
if ($title == "") {
if (preg_match(Regex::$titleRegex, str_replace("\n", " ", $raw), $matching)) {
$title = $matching[2];
}
}
$tempDescription = Content::extendedTrim($metaTags["description"]);
if ($tempDescription != "") {
$description = $tempDescription;
} else {
$description = Content::crawlCode($raw);
}
$descriptionUnderstood = false;
if ($description != "") {
$descriptionUnderstood = true;
}
if ($descriptionUnderstood == false && strlen($title) > strlen($description) && !preg_match(Regex::$urlRegex, $description) && $description != "" && !preg_match('/[A-Z]/', $description) || $title == $description) {
$title = $description;
$description = Content::crawlCode($raw);
}
$media = $this->getMedia($pageUrl);
$images = count($media) == 0 ? Content::extendedTrim($metaTags["image"]) : $media[0];
$videoIframe = $media[2];
if ($images == "") {
$images = Content::getImages($raw, $pageUrl, $imageQuantity);
}
if ($media != null && $media[0] != "" && $media[1] != "") {
$video = 1;
}
$title = Content::extendedTrim($title);
$pageUrl = Content::extendedTrim($pageUrl);
$description = Content::extendedTrim($description);
$description = preg_replace(Regex::$scriptRegex, "", $description);
}
$finalLink = explode("&", $finalUrl);
$finalLink = $finalLink[0];
$description = strip_tags($description);
$answer = array("title" => $title, "url" => $finalLink, "keywords" => $keywords, "pageUrl" => $finalUrl, "canonicalUrl" => Url::canonicalPage($pageUrl), "description" => $description, "images" => $images, "video" => $video, "videoIframe" => $videoIframe);
// Changed by bhargav.
return $answer;
// end change.
$result_json = Json::jsonSafe($answer, $header);
$result_json_decoded = json_decode($result_json);
$flagged = false;
if (!isset($result_json_decoded->title)) {
$title = utf8_encode($title);
$flagged = true;
}
if (!isset($result_json_decoded->description)) {
$description = utf8_encode($description);
$flagged = true;
}
if ($flagged) {
$answer = array("title" => $title, "url" => $finalLink, "pageUrl" => $finalUrl, "canonicalUrl" => Url::canonicalPage($pageUrl), "description" => $description, "images" => $images, "video" => $video, "videoIframe" => $videoIframe);
return Json::jsonSafe($answer, $header);
} else {
return $result_json;
}
}
return null;
}