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PHP

Restrict Unfiltered HTML to Administrators

Only administrators may save raw HTML such as scripts and iframes in posts. Editors get the same safe HTML filtering as authors.

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Code

add_filter( 'map_meta_cap', function ( $caps, $cap, $user_id ) {
    if ( 'unfiltered_html' === $cap && ! user_can( $user_id, 'manage_options' ) ) {
        return array( 'do_not_allow' );
    }

    return $caps;
}, 10, 3 );

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