(PHP 5 >= 5.0.1, PHP 7)
tidyNode::hasChildren — Checks if a node has children
Tells if the node has children.
Returns TRUE if the node has children, FALSE otherwise.
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 HTML
HTML;
$tidy = tidy_parse_string($html);
$num = 0;
// the head tag
var_dump($tidy->html()->child[0]->hasChildren());
// the php inside the head tag
var_dump($tidy->html()->child[0]->child[0]->hasChildren());
?>
以上例程会输出：
bool(true) bool(false)