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Dieses Dokument verwendet PHP-Handbuch für chinesische Websites Freigeben
(PHP 5 >= 5.0.1)
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>'; ?>
<#
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)
Note:
This function was named tidy_node::has_children() in PHP 4/Tidy 1.