Skip to content

Instantly share code, notes, and snippets.

@uxjw
Created May 7, 2015 00:05
Show Gist options
  • Save uxjw/b812fd9c169eec94719b to your computer and use it in GitHub Desktop.
Save uxjw/b812fd9c169eec94719b to your computer and use it in GitHub Desktop.
Prevent TinyMCE from stripping schema.org Metadata
<?php
// Prevent TinyMCE from stripping out schema.org metadata
function schema_TinyMCE_init($in)
{
/**
* Edit extended_valid_elements as needed. For syntax, see
* http://www.tinymce.com/wiki.php/Configuration:valid_elements
*
* NOTE: Adding an element to extended_valid_elements will cause TinyMCE to ignore
* default attributes for that element.
* Eg. a[title] would remove href unless included in new rule: a[title|href]
*/
if(!empty($in['extended_valid_elements']))
$in['extended_valid_elements'] .= ',';
$in['extended_valid_elements'] .= '@[id|class|style|title|itemscope|itemtype|itemprop|datetime|rel],div,dl,ul,dt,dd,li,span,a|rev|charset|href|lang|tabindex|accesskey|type|name|href|target|title|class|onfocus|onblur]';
return $in;
}
add_filter('tiny_mce_before_init', 'schema_TinyMCE_init' );
?>
@uxjw
Copy link
Author

uxjw commented May 7, 2015

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment