Php/docs/tidynode.ishtml
tidyNode::isHtml
(PHP 5, PHP 7)
tidyNode::isHtml — Checks if a node is an element node
Description
public tidyNode::isHtml ( ) : bool
Tells if the node is an element node, but not the root node of the document.
Return Values
Returns TRUE if the node is an element node, but not the root node of the document, FALSE otherwise.
Changelog
| Version | Description |
|---|---|
| 7.3.24, 7.4.12 | This function has been fixed to have reasonable behavior. Previously,
almost any node was reported as being an HTML node. |
Examples
Example #1 Extract HTML code from a mixed HTML document
<?php$html = <<< HTML<html><head><?php echo '<title>title</title>'; ?><# /* JSTE code */ alert('Hello World'); #></head><body><?php // PHP code echo 'hello world!';?><% /* ASP code */ response.write("Hello World!")%><!-- Comments -->Hello World</body></html>Outside HTMLHTML;$tidy = tidy_parse_string($html);$num = 0;get_nodes($tidy->html());function get_nodes($node) { // check if the current node is of requested type if($node->isHtml()) { echo "\n\n# html node #" . ++$GLOBALS['num'] . "\n"; echo $node->value; } // check if the current node has childrens if($node->hasChildren()) { foreach($node->child as $child) { get_nodes($child); } }}?>
The above example will output:
# html node #1
<html>
<head>
<?php echo '<title>title</title>'; ?><#
/* JSTE code */
alert('Hello World');
#>
<title></title>
</head>
<body>
<?php
// PHP code
echo 'hello world!';
?><%
/* ASP code */
response.write("Hello World!")
%><!-- Comments -->
Hello WorldOutside HTML
</body>
</html>
# html node #2
<head>
<?php echo '<title>title</title>'; ?><#
/* JSTE code */
alert('Hello World');
#>
<title></title>
</head>
# html node #3
<title></title>
# html node #4
<body>
<?php
// PHP code
echo 'hello world!';
?><%
/* ASP code */
response.write("Hello World!")
%><!-- Comments -->
Hello WorldOutside HTML
</body>
