This plugin is outdated and might not be supported anymore
WP Post Encode

WP Post Encode

Details
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Easily include raw markup languages (HTML, CSS, PHP, etc.) in posts using custom quicktags. No need to encode, the filter does it
for you. Creates convenient “encode” buttons for post authors in the HTML editor.

Details

Plugin code:
wp-post-encode
Plugin version:
1.5
Outdated:
Yes
WP version:
2.7.1 or higher
PHP version:
or higher
Test up to WP version:
3.7.41
Total installations:
10
Last updated:
2014-05-08
Rating:
Times rated:
0
encode
encoding
markup
pages
posts