Checks if a node represents a comment

# tidyNode::isComment

(PHP 5, PHP 7)

tidyNode::isComment — Checks if a node represents a comment

### Descrierea

public tidyNode::isComment ( void ) : bool

Tells if the node is a comment.

### Valorile întoarse

Returns `TRUE` if the node is a comment, `FALSE` otherwise.

### Exemple

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);
}
}
}
?>`

Exemplul de mai sus va afișa:

    # comment node #1
    <!-- Comments -->