Wordpress Site Admin can't publish <iframe>s on multsite network

I have a Wordpress multisite network. I've found that if you're not a Network Admin, Site Admins cannot publish <iframe>s or <script> tags.

<iframe>s

<script>

What I've tried:

unfiltered_html

iframe

$allowedtags

iframe

extended_valid_elements

tiny_mce_before_init

I've read around a lot, and I know there's an Iframe plugin, but It would really be best to allow my users to copy and paste Iframes from YouTube, etc.

Any insight is much appreciated!

EDIT: full code below

function add_theme_caps()
$role = get_role('administrator');
$role->add_cap('unfiltered_html');

add_action('admin_init', 'add_theme_caps');



public function add_tags()

global $allowedtags;
$allowedtags['iframe'] = [
'src' => ,
'width' => ,
'height' => ,
'frameborder' => ,
'style' => ,
'allowfullscreen' =>
];

add_action('init', 'add_tags');



public function add_mce_tags($options) width
add_filter('tiny_mce_before_init', 'add_mce_tags');


unfiltered_html

2 Answers
2

You can solve this issue using shortcode. If you not found needed solution.

Something like that

add_shortcode('book', array('iframe_shortcode', 'shortcode')); class iframe_shortcode
function shortcode($atts, $content=null)
extract(shortcode_atts(array(
'url' => '',
'scrolling' => 'yes',
'width' => '680',
'height' => '850',
'frameborder' => '0',
'marginheight' => '0',
), $atts));
if (empty($url)) return '<!-- Iframe: You did not enter a valid URL -->';
return '<iframe src="'.$url.'" title="" width="'.$width.'" height="'.$height.'" scrolling="'.$scrolling.'" frameborder="'.$frameborder.'" marginheight="'.$marginheight.'"><a href="'.$url.'" target="_blank">'.$url.'</a></iframe>';



[book url="https://example.com/"]

[iframe url="https://example.com/"]

admin isn't a valid default role, I believe you're looking for administrator. It's also considered a good practice to make sure your $role object is actually defined (though in this case it shouldn't be an issue), this should get you up and running:

admin

administrator

$role

function add_theme_caps()
if( $role = get_role( 'administrator' ) )
$role->add_cap('unfiltered_html');


add_action( 'admin_init', 'add_theme_caps' );


unfiltered_html

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