tidyNode::hasChildren

(PHP 5, PHP 7, PHP 8)

tidyNode::hasChildrenChecks if a node has children

说明

public tidyNode::hasChildren ( ) : bool

Tells if the node has children.

参数

此函数没有参数。

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 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)

User Contributed Notes

There are no user contributed notes for this page.