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14 December, 2020

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

 Programing Coderfunda     December 14, 2020     Php Question     No comments   

    <?php



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

    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);
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