PHP 用 tidy_parse_file() 函数提取 HTML 中的链接
-
function dump_urls(tidy_node $node, &$urls = NULL) {
- $urls = (is_array($urls)) ? $urls : array();
-
- if(isset($node->id)) {
- if($node->id == TIDY_TAG_A) {
- $urls[] = $node->attribute['href'];
- }
- }
-
- if($node->hasChildren()) {
- foreach($node->child as $child) {
- dump_urls($child, $urls);
- }
- }
- return $urls;
- }
-
- $tidy = tidy_parse_file("http://www.php.net/");
- $urls = dump_urls($tidy->body());
- print_r($urls);
- ?>
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