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How do you parse and process HTML/XML in PHP?

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How can one parse HTML/XML and extract information from it?

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Simple HTML DOM Parser

  • A HTML DOM parser written in PHP 5+ that lets you manipulate HTML in a very easy way!
  • Require PHP 5+.
  • Supports invalid HTML.
  • Find tags on an HTML page with selectors just like jQuery.
  • Extract contents from HTML in a single line.
  • Download

 

Examples:

 

How to get HTML elements:

// Create DOM from URL or file
$html = file_get_html('http://www.example.com/');

// Find all images
foreach($html->find('img') as $element)
       echo $element->src . '<br>';

// Find all links
foreach($html->find('a') as $element)
       echo $element->href . '<br>';

 

How to modify HTML elements:

// Create DOM from string
$html = str_get_html('<div id="hello">Hello</div><div id="world">World</div>');

$html->find('div', 1)->class = 'bar';

$html->find('div[id=hello]', 0)->innertext = 'foo';

echo $html;

 

Extract content from HTML:

// Dump contents (without tags) from HTML
echo file_get_html('http://www.google.com/')->plaintext;

 

Scraping Slashdot:

// Create DOM from URL
$html = file_get_html('http://slashdot.org/');

// Find all article blocks
foreach($html->find('div.article') as $article) {
    $item['title']     = $article->find('div.title', 0)->plaintext;
    $item['intro']    = $article->find('div.intro', 0)->plaintext;
    $item['details'] = $article->find('div.details', 0)->plaintext;
    $articles[] = $item;
}

print_r($articles);
  • answered 3 years ago
  • Gul Hafiz

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  • asked 3 years ago
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