Prevent wordpress html sanitize on post

/*global $allowedposttags;
 $allowedposttags['script'] = array(
     'type' => array(),
     'src' => array()
 );*/

//disable WordPress sanitization to allow more than just $allowedtags from /wp-includes/kses.php
//remove_filter('the_content', 'wp_filter_kses');
//add sanitization for WordPress posts
//add_filter( 'the_content', 'wp_filter_post_kses');


function disable_kses_content() {
remove_filter('content_save_pre', 'wp_filter_post_kses');
}
add_action('init','disable_kses_content',20);

// OR

// Remove html prevent filtering
   kses_remove_filters();

/*function override_mce_options($initArray) {
    $opts = '*[*]';
    $initArray['valid_elements'] = $opts;
    $initArray['extended_valid_elements'] = $opts;
    return $initArray;
}
add_filter('tiny_mce_before_init', 'override_mce_options');
*/

/*function change_mce_options($initArray) {

    $initArray['verify_html'] = false;
    $initArray['cleanup_on_startup'] = false;
    $initArray['cleanup'] = false;
    $initArray['forced_root_block'] = false;
    $initArray['validate_children'] = false;
    $initArray['remove_redundant_brs'] = false;
    $initArray['remove_linebreaks'] = false;
    $initArray['force_p_newlines'] = false;
    $initArray['force_br_newlines'] = false;
    $initArray['fix_table_elements'] = false;

    $initArray['entities'] = '*[*]';

    return $initArray;
}

add_filter('tiny_mce_before_init', 'change_mce_options');*/

/*function allow_data_event_content() {
global $allowedposttags, $allowedtags;
$newattribute = "data-event";

$allowedposttags["a"][$newattribute] = true;
$allowedtags["a"][$newattribute] = true;
}
add_action( 'init', 'allow_data_event_content' );*/