Php/docs/tidynode.haschildren
来自菜鸟教程
tidyNode::hasChildren
(PHP 5, PHP 7)
tidyNode::hasChildren — Checks if a node has children
说明
public tidyNode::hasChildren ( ) : bool
Tells if the node has children.
返回值
Returns true if the node has children, false otherwise.
范例
Example #1 tidyNode::hasChildren() example
<?php$html = <<< HTML<html><head><?php echo '<title>title</title>'; ?><# /* JSTE code */ alert('Hello World'); #></head><body><?php // PHP code echo 'hello world!';?><% /* ASP code */ response.write("Hello World!")%><!-- Comments -->Hello World</body></html>Outside HTMLHTML;$tidy = tidy_parse_string($html);$num = 0;// the head tagvar_dump($tidy->html()->child[0]->hasChildren());// the php inside the head tagvar_dump($tidy->html()->child[0]->child[0]->hasChildren());?>
以上例程会输出：
bool(true) bool(false)
