(PHP 5, PHP 7)
tidyNode::isComment — Checks if a node represents a comment
public tidyNode::isComment ( ) : bool
Tells if the node is a comment.
Returns true
if the node is a comment, false
otherwise.
Example #1 Extract comments 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 HTML HTML; $tidy = tidy_parse_string($html); $num = 0; get_nodes($tidy->html()); function get_nodes($node) { // check if the current node is of requested type if($node->isComment()) { echo "\n\n# comment 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:
# comment node #1 <!-- Comments -->
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/tidynode.iscomment.php