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rewrite_urls implementation based on DOMDocument (refs #413)

This commit is contained in:
Andrew Dolgov 2012-01-16 15:31:01 +04:00
parent b8379e6979
commit 73c32678ae
1 changed files with 43 additions and 1 deletions
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44
include/functions.php
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@ -4849,7 +4849,7 @@
}
function rewrite_urls($line) {
/* function rewrite_urls($line) {
global $url_regex;
$urls = null;
@ -4858,6 +4858,48 @@
"<a target=\"_blank\" href=\"\\1\">\\1</a>", $line);
return $result;
} */
function rewrite_urls($html) {
libxml_use_internal_errors(true);
$charset_hack = '<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
</head>';
$doc = new DOMDocument();
$doc->loadHTML($charset_hack . $html);
$xpath = new DOMXPath($doc);
$entries = $xpath->query('//*/text()');
foreach ($entries as $entry) {
if (strstr($entry->wholeText, "://") !== false) {
$text = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
"<a target=\"_blank\" href=\"\\1\">\\1</a>", $entry->wholeText);
if ($text != $entry->wholeText) {
$cdoc = new DOMDocument();
$cdoc->loadHTML($charset_hack . $text);
foreach ($cdoc->childNodes as $cnode) {
$cnode = $doc->importNode($cnode, true);
if ($cnode) {
$entry->parentNode->insertBefore($cnode);
}
}
$entry->parentNode->removeChild($entry);
}
}
}
$node = $doc->getElementsByTagName('body')->item(0);
return $doc->saveXML($node);
}
function filter_to_sql($filter) {