tidyNode::isHtml

Contents

(PHP 5, PHP 7)

tidyNode::isHtml — Checks if a node is part of a HTML document

Description

public tidyNode::isHtml ( void ) : bool

Tells if the node is part of HTML document.

PHP: tidyNode::isHtml - Manual Home of Manuel PHP Contents Haut

Return Values

Returns TRUE if the node is part of a HTML document, FALSE otherwise.

PHP: tidyNode::isHtml - Manual Home of Manuel PHP Contents Haut

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 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->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

Find a PHP function

English translation

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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-tidynode.ishtml.html

The infobrol is a personal site whose content is my sole responsibility. The text is available under CreativeCommons license (BY-NC-SA). More info on the terms of use and the author.

References

Manuel PHP : http://php.net

These references and links indicate documents consulted during the writing of this page, or which may provide additional information, but the authors of these sources can not be held responsible for the content of this page.
The author This site is solely responsible for the way in which the various concepts, and the freedoms that are taken with the reference works, are presented here. Remember that you must cross multiple source information to reduce the risk of errors.

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