Merge pull request #145 from maxiaozhi/master

正则匹配成功时才替换掉html
2021-08-08 13:04:55 +08:00
parent 39dc0ca9c6 e4fc716acd
commit 894fb4344e
1 changed files with 2 additions and 2 deletions
--- a/src/Dom/Query.php
+++ b/src/Dom/Query.php
@@ -125,8 +125,8 @@ class Query
     */
    public function removeHead()
    {
-        $html = preg_replace('/(<head>|<head\s+.+?>).+<\/head>/is', '<head></head>', $this->html);
-        $this->setHtml($html);
+        $html = preg_replace('/(<head>|<head\s+.+?>).+?<\/head>/is', '<head></head>', $this->html);
+        $html && $this->setHtml($html);
        return $this->ql;
    }