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Strip HTML Entities and convert <br> Entity to \n

Posted on 2016-10-13
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Last Modified: 2016-10-14
I am pulling info out of a database that has html entities. I need to convert <br> to \n and remove all other entities to be able to add content to an email body without the html.

12:00pm - Some &amp; Text goes here &lt;p&gt;&lt;strong&gt;TUESDAY - NOVEMBER 1&lt;/strong&gt;&lt;br /&gt;&lt;strong&gt;12:00PM - 5:00PM&lt;/strong&gt;&lt;br /&gt;

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Question by:Jeff
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4 Comments
 
LVL 58

Expert Comment

by:Julian Hansen
ID: 41842174
Take a look at strip_tags()

You would do the following
$html = strip_tags($html, '<br>');
$html = preg_replace('/\<br\s*\/?\>/',"\n", $html);

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Accepted Solution

by:
Ray Paseur earned 500 total points
ID: 41842240
You probably want to use html_entity_decode() to turn the entities back into HTML tags.  Then the strip_tags() and other functions will probably do what you want.
https://iconoun.com/demo/temp_jeffey48.php
<?php // demo/temp_jeffey48.php
/**
 * https://www.experts-exchange.com/questions/28976194/Strip-HTML-Entities-and-convert-br-Entity-to-n.html
 *
 * http://php.net/manual/en/function.html-entity-decode.php
 * http://php.net/manual/en/function.nl2br.php#86678
 */
error_reporting(E_ALL);

// TEST DATA COPIED FROM THE POST AT E-E
$str = '12:00pm - Some &amp; Text goes here &lt;p&gt;&lt;strong&gt;TUESDAY - NOVEMBER 1&lt;/strong&gt;&lt;br /&gt;&lt;strong&gt;12:00PM - 5:00PM&lt;/strong&gt;&lt;br /&gt;';

// TRANSFORM THE DATA BACK INTO HTML
$new = html_entity_decode($str);

// REMOVE THE UNWANTED TAGS, PRESERVING THE BREAK TAGS
$new = strip_tags($new, '<br>');

// REPLACE THE HTML BREAK TAGS WITH NEWLINE CHARACTERS
$new = preg_replace('/\<br(\s*)?\/?\>/i', PHP_EOL, $new);

// SHOW THE WORK PRODUCT
echo '<pre>';
echo $new;

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Author Comment

by:Jeff
ID: 41843994
Julian, Thanks for the quick response. I couldn't quite get the solution to work. The entities needed to be converted to HTML first, then strip and replace.

Ray, Your solution worked perfectly. Thanks you.
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Author Closing Comment

by:Jeff
ID: 41843996
Thanks Ray.
1

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