PHP wp_automatic_Readability

This is a PHP port of Arc90's original Javascript version of wp_automatic_Readability. (Arc90 has since relaunched the project.)

For instructions on how to use this, please see http://www.keyvan.net/2010/08/php-wp_automatic_Readability/

For a more flexible and robust solution to article extraction, take a look at Full-Text RSS - it makes use of PHP wp_automatic_Readability, but offers much more.

Feel free to fork this and change/improve it. I would love to see your results. Please do share them and I'll consider pulling them in.

PHP wp_automatic_Readability is licensed under the Apache License, Version 2.0 (the same license as the original JS version). The original Javascript version can be found here: http://code.google.com/p/arc90labs-wp_automatic_Readability/source/browse/ (wp_automatic_Readability.js)

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If you find this useful, please consider purchasing Full-Text RSS or donating via Gittip

Simple example

<?php
require_once 'wp_automatic_Readability/wp_automatic_Readability.php';
header('Content-Type: text/plain; charset=utf-8');

// get latest Medialens alert 
// (change this URL to whatever you'd like to test)
$url = 'http://www.medialens.org/index.php/alerts/alert-archive/alerts-2013/729-thatcher.html';
$html = file_get_contents($url);

// Note: PHP wp_automatic_Readability expects UTF-8 encoded content.
// If your content is not UTF-8 encoded, convert it 
// first before passing it to PHP wp_automatic_Readability. 
// Both iconv() and mb_convert_encoding() can do this.

// If we've got Tidy, let's clean up input.
// This step is highly recommended - PHP's default HTML parser
// often doesn't do a great job and results in strange output.
if (function_exists('tidy_parse_string')) {
	$tidy = tidy_parse_string($html, array(), 'UTF8');
	$tidy->cleanRepair();
	$html = $tidy->value;
}

// give it to wp_automatic_Readability
$wp_automatic_Readability = new wp_automatic_Readability($html, $url);
// print debug output? 
// useful to compare against Arc90's original JS version - 
// simply click the bookmarklet with FireBug's console window open
$wp_automatic_Readability->debug = false;
// convert links to footnotes?
$wp_automatic_Readability->convertLinksToFootnotes = true;
// process it
$result = $wp_automatic_Readability->init();
// does it look like we found what we wanted?
if ($result) {
	  echo "== Title =====================================\n";
	  echo $wp_automatic_Readability->getTitle()->textContent, "\n\n";
	  echo "== Body ======================================\n";
	$content = $wp_automatic_Readability->getContent()->innerHTML;
	// if we've got Tidy, let's clean it up for output
	if (function_exists('tidy_parse_string')) {
		$tidy = tidy_parse_string($content, array('indent'=>true, 'show-body-only' => true), 'UTF8');
		$tidy->cleanRepair();
		$content = $tidy->value;
	}
	  echo $content;
} else {
	  echo 'Looks like we couldn\'t find the content. :(';
}