When switching from html to visual editor the tag gets corrupted
On default is the iframe tag a not allowed tag in the editor. You must change the filter for allowed this html tag. Copy the follow source in a plugin and allow iframe for the editor TinyMCE. add_filter( ‘tiny_mce_before_init’, ‘fb_change_mce_options’ ); function fb_change_mce_options( $tags ) { // Comma separated string od extendes tags // Command … Read more