tidyNode::hasChildren

(PHP 5 >= 5.0.1, PHP 7)

tidyNode::hasChildren — Checks if a node has children

说明

bool tidyNode::hasChildren ( void )

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 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)

注释

Note:
This function was named tidy_node::has_children() in PHP 4/Tidy 1.