By Andrew Sirianni    11 December 2012   

   

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In an earlier post, I wrote about compressing your HTML output through Savant3. However, a by-product of this process is that you loose the line breaks and tabs within your <code> tags. To solve this, I have adapted a script originally written by "Ryan" to ensure that everything within the <code> tag is replaced with htmlentities. This script is useful if you're using my Savant3 compressor, or simply if you need to encode your code snippets.

The original code/article can be found at:
http://www.thatsquality.com/articles/how-to-match-and-replace-content-between-two-html-tags-using-regular-expressions

The function will use preg_replace_callback to search for all <code> elements and return the encoded string in its place.

The function assumes the following variables:

• $content_processed as your output; and
• $content as the HTML with <code> tags that you need to encode.

The call back function will do 3 things to the data:

1. Encode the html with htmlentites; then
2. Convert the line breaks to <br> tags; then
3. Convert the tabs to encoded tabs.

To find out more about how the regular expression works, please read Ryan's post.

I hope you find this useful! Please share your feedback and comments.