我有一个要修改的插件，但我卡在这里的是 php 函数：
function wpr_ezinemarkpost($keyword,$num,$start,$optional="",$comments="",$options,$template,$ua,$proxy,$proxytype,$proxyuser) {
global $wpdb,$wpr_table_templates;
$page = $start / 20;
$page = (string) $page;
$page = explode(".", $page);
$page=(int)$page[0];
$page++;
if($page == 0) {$page = 1;}
$prep = floor($start / 20);
$numb = $start - $prep * 20;
$search_url = "http://www.freewptube.com/demo4/";
// make the cURL request to $search_url
if ( function_exists('curl_init') ) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_USERAGENT, $ua);
if($proxy != "") {
//curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
curl_setopt($ch, CURLOPT_PROXY, $proxy);
if($proxyuser) {curl_setopt($ch, CURLOPT_PROXYUSERPWD, $proxyuser);}
if($proxytype == "socks") {curl_setopt ($ch, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);}
}
curl_setopt($ch, CURLOPT_URL,$search_url);
curl_setopt($ch, CURLOPT_FAILONERROR, true);
curl_setopt($ch, CURLOPT_AUTOREFERER, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
curl_setopt($ch, CURLOPT_TIMEOUT, 45);
$html = curl_exec($ch);
if (!$html) {
$return["error"]["module"] = "Article";
$return["error"]["reason"] = "cURL Error";
$return["error"]["message"] = __("cURL Error Number $search_url","wprobot").curl_errno($ch).": ".curl_error($ch);
return $return;
}
curl_close($ch);
} else {
$html = @file_get_contents($search_url);
if (!$html) {
$return["error"]["module"] = "Article";
$return["error"]["reason"] = "cURL Error";
$return["error"]["message"] = __("cURL is not installed on this server!","wprobot");
return $return;
}
}
// parse the html into a DOMDocument
$dom = new DOMDocument();
@$dom->loadHTML($html);
// Grab Product Links
$xpath = new DOMXPath($dom);
$paras = $xpath->query("//div[@class='boxtitle']//h2/a");
$x = 0;
$end = $numb + $num;
if($paras->length == 0) {
$posts["error"]["module"] = "Article";
$posts["error"]["reason"] = "No content";
$posts["error"]["message"] = __("No (more) articles found. $search_url","wprobot");
return $posts;
}
if($end > $paras->length) { $end = $paras->length;}
for ($i = $numb; $i < $end; $i++ ) {
$para = $paras->item($i);
if(empty($para)) {
$posts["error"]["module"] = "Article";
$posts["error"]["reason"] = "No content";
$posts["error"]["message"] = __("No (more) articles found. $search_url","wprobot");
print_r($posts);
return $posts;
} else {
$target_url = $para->getAttribute('href');
// make the cURL request to $search_url
if ( function_exists('curl_init') ) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_USERAGENT, $ua);
if($proxy != "") {
//curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
curl_setopt($ch, CURLOPT_PROXY, $proxy);
if($proxyuser) {curl_setopt($ch, CURLOPT_PROXYUSERPWD, $proxyuser);}
if($proxytype == "socks") {curl_setopt ($ch, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);}
}
curl_setopt($ch, CURLOPT_URL,$target_url);
curl_setopt($ch, CURLOPT_FAILONERROR, true);
curl_setopt($ch, CURLOPT_AUTOREFERER, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
curl_setopt($ch, CURLOPT_TIMEOUT, 45);
$html = curl_exec($ch);
if (!$html) {
$return["error"]["module"] = "Article";
$return["error"]["reason"] = "cURL Error";
$return["error"]["message"] = __("cURL Error Number $search_url","wprobot").curl_errno($ch).": ".curl_error($ch);
return $return;
}
curl_close($ch);
} else {
$html = @file_get_contents($target_url);
if (!$html) {
$return["error"]["module"] = "Article";
$return["error"]["reason"] = "cURL Error";
$return["error"]["message"] = __("cURL is not installed on this server!","wprobot");
return $return;
}
}
// parse the html into a DOMDocument
$dom = new DOMDocument();
@$dom->loadHTML($html);
// Grab Article Title
$xpath1 = new DOMXPath($dom);
$paras1 = $xpath1->query("//div[@class='textsection']/h2");
$para1 = $paras1->item(0);
$title = $para1->textContent;
if (empty($title)) {
$return["error"]["module"] = "Article";
$return["error"]["reason"] = "IncNum";
$return["error"]["message"] = __("Video content skipped. ","wprobot");
return $return;
}
// Grab Article
$xpath2 = new DOMXPath($dom);
$paras2 = $xpath2->query("//div[@id='screen']/div[@class='videosection']");
$para2 = $paras2->item(0);
$string = $dom->saveXml($para2);
if ($options['wpr_eza_striplinks']=='yes') {$string = wpr_strip_selected_tags($string, array('a'));}
$articlebody .= $string. ' ';
// Grab Ressource Box
$xpath3 = new DOMXPath($dom);
$paras3 = $xpath3->query("//div[@id='extras']//h4/a");
$ressourcetext = "";
for ($y = 0; $y < $paras3->length; $y++ ) { //$paras->length
$para3 = $paras3->item($y);
$ressourcetext .= $dom->saveXml($para3);
}
$title = utf8_decode($title);
// Split into Pages
if($options['wpr_eza_split'] == "yes") {
$articlebody = wordwrap($articlebody, $options['wpr_eza_splitlength'], "<!--nextpage-->");
}
$post = $template;
$post = wpr_random_tags($post);
$post = str_replace("{article}", $articlebody, $post);
$post = str_replace("{authortext}", $ressourcetext, $post);
$noqkeyword = str_replace('"', '', $keyword2);
$post = str_replace("{keyword}", $noqkeyword, $post);
$post = str_replace("{Keyword}", ucwords($noqkeyword), $post);
$post = str_replace("{title}", $title, $post);
$post = str_replace("{url}", $target_url, $post);
if(function_exists("wpr_rewrite_partial")) {
$post = wpr_rewrite_partial($post,$options);
}
if(function_exists("wpr_translate_partial")) {
$post = wpr_translate_partial($post);
}
/* We are adding a call to this function to ensure that our keyword is used at least once */
$posts[$x]["unique"] = $target_url;
$posts[$x]["title"] = $title;
$posts[$x]["content"] = $post;
$x++;
}
}
return $posts;
}
我已经成功地抓取了标题和嵌入视频，但我还想抓取位于主页上的缩略图。我们如何使缩略图转到嵌入视频代码的顶部？顺便说一句，这是一个我正在修改以供我使用的 wordpress 插件。
谢谢