Scraping Data: PHP Simple HTML DOM Parser

Posted on December 12, 2008, under PHP 

PHP Simple HTML DOM Parser, written in PHP5+, allows you to manipulate HTML in a very easy way. Supporting invalid HTML, this parser is better then other PHP scripts that use complicated regexes to extract information from web pages.

Before getting the necessary info, a DOM should be created from either URL or file. The following script extracts links & images from a website:

// Create DOM from URL or file
$html = file_get_html('');

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

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

The parser can also be used to modify HTML elements:

// Create DOM from string
$html = str_get_html('<div id="simple">Simple</div><div id="parser">Parser</div>');

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

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

// Output: <div id="simple">Foo</div><div id="parser" class="bar">Parser</div>
echo $html; 

Do you wish to retrieve content without any tags?

echo file_get_html('')->plaintext;

In the package files of this parser ( you can find some scraping examples from digg, imdb, slashdot. Let’s create one that extracts the first 10 results (titles only) for the keyword “php” from Google:

$url = '';

// Create DOM from URL
$html = file_get_html($url);

// Match all 'A' tags that have the class attribute equal with 'l'
foreach($html->find('a[class=l]') as $key => $info) 
echo ($key + 1).'. '.$info->plaintext."<br />\n";

NOTE Make sure to include the parser before using any functions of it:

include 'simple_html_dom.php';

For more information regarding the usage of this function consider checking the ‘PHP Simple HTML Dom Parser’ Manual. To download the package files use the following URL:

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39 Replies to "Scraping Data: PHP Simple HTML DOM Parser"

  1. Thank you for the information. I’ve been trying wp-scrapper and feedWordpress plugins with some customization to work out my purpose but nothing worked out.
    Thanks again. :)

  2. With the following code:

    <div class="foreCondition">Chance of T-storms<div>70% chance of precipitation</div></div>
    <div class="foreGlance">
    <div class="titleSubtle">Wednesday</div>
    <div class="foreSummary">
    <a class="iconSwitchSmall"><img src="; alt="Chance of a Thunderstorm" title="Chance of a Thunderstorm" alt="Chance of a Thunderstorm" title="Chance of a Thunderstorm" class="condIcon" /></a>
    <span class="b">28</span> | 21 &deg;C

    How do you extract to get only the "21 &deg;C"


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