The DOMDocument::loadHTML() function is an inbuilt function in PHP which is used to load HTML file from a string.
Syntax:
bool DOMDocument::loadHTML( string $source, int $options = 0 )
Parameters: This function accepts two parameters as mentioned above and described below:
- $source: This parameter holds the HTML string.
- $options: This parameter is used to specify the additional Libxml parameters in PHP 5.4.0 and Libxml 2.6.0.
Return Value: This function returns TRUE on success or FALSE on failure. This function returns a DOMDocument if it is called statically or FALSE on failure.
Errors/Exceptions: If empty string is passed as parameter then it generates an warning message. This function can also be called statically but it will issue an E_STRICT error.
Below program illustrates the DOMDocument::loadHTML() function in PHP:
Program 1:
<?php
$doc = new DOMDocument();
$doc->loadHTML(
"<html>
<head>
<title>
DOMDocument::loadHTML() function
</title>
</head>
<body>
<h1>GeeksforGeeks</h1>
<h2>DOMDocument::loadHTML() function</h2>
</body>
</html>");
echo $doc->saveHTML();
?>
|
Output:
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
"http://www.w3.org/TR/REC-html40/loose.dtd">
<html>
<head>
<title>
DOMDocument::loadHTML() function
</title>
</head>
<body>
<h1>GeeksforGeeks</h1>
<h2>DOMDocument::loadHTML() function</h2>
</body>
</html>
Program 2:
<?php
$doc = new DOMDocument();
$comm1 = $doc->createComment('Starting of HTML document file');
$doc->appendChild($comm1);
echo $doc->saveHTML();
$doc->loadHTML(
"<html>
<head>
<title>PHP function</title>
</head>
<body>
<h1>Welcome to GeeksforGeeks</h1>
<h2>PHP function</h2>
<div>A computer science portal</div>
</body>
</html>");
$comm2 = $doc->createComment('Ending of HTML document file');
$doc->appendChild($comm2);
echo $doc->saveHTML();
?>
|
Output:
<!--Starting of HTML document file-->
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
"http://www.w3.org/TR/REC-html40/loose.dtd">
<html>
<head>
<title>PHP function</title>
</head>
<body>
<h1>Welcome to GeeksforGeeks</h1>
<h2>PHP function</h2>
<div>A computer science portal</div>
</body>
</html>
<!--Ending of HTML document file-->
Reference: https://www.php.net/manual/en/domdocument.loadhtml.php
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