tidyNode::hasChildren

(PHP 5 >= 5.0.1)

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>'; ?>
<# 
  
  alert('Hello World'); 
#>
</head>
<body>

<?php
  // PHP code
  echo 'hello world!';
?>

<%
  
  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.