(PHP 5 >= 5.0.1, PHP 7)
Checks if a node is part of a HTML document
bool tidyNode::isHtml ( void )
Tells if the node is part of HTML document.
Returns:
Returns TRUE if the node is part of a HTML document, FALSE otherwise.
Notes:
This function was named tidy_node::is_html() in PHP 4/Tidy 1.
Examples:
Extract HTML code from a mixed HTML document
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | <?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
<?php echo '<title>title</title>'; ?>
# html node #4
<#
/* JSTE code */
alert('Hello World');
#>
# html node #5
<title></title>
# html node #6
<body>
<?php
// PHP code
echo 'hello world!';
?><%
/* ASP code */
response.write("Hello World!")
%><!-- Comments -->
Hello WorldOutside HTML
</body>
# html node #7
<?php
// PHP code
echo 'hello world!';
?>
# html node #8
<%
/* ASP code */
response.write("Hello World!")
%>
# html node #9
<!-- Comments -->
# html node #10
Hello World
# html node #11
Outside HTML
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