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Convert HTML into text

If you want to extract the text content of a HTML document (eg - get rid of all the HTML and Javascript), try the following code:


<?php

// $document should contain an HTML document.

// This will remove HTML tags, javascript sections

// and white space. It will also convert some

// common HTML entities to their text equivalent.



$search = array ("'<script[^>]*?>.*?</script>'si",  // Strip out javascript

                 "'<[/!]*?[^<>]*?>'si",          // Strip out HTML tags

                 "'([rn])[s]+'",                // Strip out white space

                 "'&(quot|#34);'i",                // Replace HTML entities

                 "'&(amp|#38);'i",

                 "'&(lt|#60);'i",

                 "'&(gt|#62);'i",

                 "'&(nbsp|#160);'i",

                 "'&(iexcl|#161);'i",

                 "'&(cent|#162);'i",

                 "'&(pound|#163);'i",

                 "'&(copy|#169);'i",

                 "'&#(d+);'e");                    // evaluate as php



$replace = array ("",

                 "",

                 "\1",

                 "\"",

                 "&",

                 "<",

                 ">",

                 " ",

                 chr(161),

                 chr(162),

                 chr(163),

                 chr(169),

                 "chr(\1)");



$text = preg_replace($search, $replace, $document);

?>

Comments

Comment by Lorelle on 2004-12-20
Great code, but how do you use it? As a php file, but where and how do you tell it which document to parse with the script? Thanks.

Comment by Reks on 2005-04-26
well... is there any similar ways to remove everything within the part of a document?

Comment by reks on 2005-04-26
Sorry for this second post.. My previous question was: Is there a way to remove everything within the <head> and </head>. Forgot that html tags do not work on such forms :)

Comment by rocky karhe on 2005-06-01
But its not removing html completely. Some tags like are still there. How can i improve it to remove all html tags.

Comment by Anupam Sarkar on 2005-06-20
It is very much helpful and quite handy as well

Comment by fj on 2005-07-10
Good copy paste from the php manual

Comment by Chris Gibson on 2005-08-07
Can't you just use the functions strip_tags and htmlspecialchars?

Comment by djp on 2005-08-26
html_entity_decode converts all HTML entities to their text form

Comment by vimal on 2005-09-05
really thanks its so great and so simple to understand

Comment by Nick on 2006-01-30
The line below is incorrect. "'([rn])[s]+'", it should be "'([\r\n])[\s]+'", Also unless you want "start of heading" all over your string change. "\1", to " ", I also use... Search. "'&[A-Za-z]+;'si", Replace. " ", That gets rid of all html chars.

Comment by Moti on 2006-10-30
to remove 'si",

Comment by Moti on 2006-10-30
to remove style tag use \\\" \\\"\\\']*?>.*?\\\'si\\\",\\\"

Comment by Moti on 2006-10-30
my posts are not published as they should.for style tag removed just change script to style, that's all

Comment by keylogger on 2007-02-20
Thank you, is just that i was looking for !, but i will need to add more tags, i'am doing a searh engine.

Comment by hi on 2008-08-05

Comment by SLA on 2009-06-27
Thank you! :)

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