function vc_bc_access_rule_48_post_type_rule($value, $role, $rule)
{
    if (!$role) {
        return $value;
    }
    global $vc_bc_access_rule_48_editor_post_types;
    $part = vc_role_access()->who($role->name)->part('post_types');
    if (!isset($part->getRole()->capabilities[$part->getStateKey()])) {
        if (is_null($vc_bc_access_rule_48_editor_post_types)) {
            $pt_array = vc_settings()->get('content_types');
            $vc_bc_access_rule_48_editor_post_types = $pt_array ? $pt_array : vc_default_editor_post_types();
        }
        return in_array($rule, $vc_bc_access_rule_48_editor_post_types);
    }
    return $value;
}

    /**
     * Content types checkboxes list callback function
     * @deprecated 4.8
     */
    public function content_types_field_callback()
    {
        // _deprecated_function( '\Vc_Settings::content_types_field_callback', '4.8 (will be removed in 4.11)' );
        $pt_array = ($pt_array = get_option('wpb_js_content_types')) ? $pt_array : vc_default_editor_post_types();
        foreach ($this->getPostTypes() as $pt) {
            if (!in_array($pt, $this->getExcluded())) {
                $checked = in_array($pt, $pt_array) ? ' checked' : '';
                ?>
				<label>
					<input type="checkbox"<?php 
                echo $checked;
                ?>
 value="<?php 
                echo $pt;
                ?>
"
					       id="wpb_js_post_types_<?php 
                echo $pt;
                ?>
"
					       name="<?php 
                echo self::$field_prefix . 'content_types';
                ?>
[]">
					<?php 
                echo $pt;
                ?>
				</label><br>
			<?php 
            }
        }
        ?>
		<p
			class="description indicator-hint"><?php 
        _e('Select content types available to Visual Composer.', 'js_composer');
        ?>
</p>
	<?php 
    }

function vc_check_post_type($type)
{
    if (empty($type)) {
        $type = get_post_type();
    }
    $valid = apply_filters('vc_check_post_type_validation', null, $type);
    if (is_null($valid)) {
        if (is_multisite() && is_super_admin()) {
            return true;
        }
        $state = vc_user_access()->part('post_types')->getState();
        if (null === $state) {
            return in_array($type, vc_default_editor_post_types());
        } else {
            if (true === $state && !in_array($type, vc_default_editor_post_types())) {
                $valid = false;
            } else {
                $valid = vc_user_access()->part('post_types')->can($type)->get();
            }
        }
    }
    return $valid;
}

    /**
     * Content types checkboxes list callback function
     */
    public function content_types_field_callback()
    {
        $pt_array = ($pt_array = get_option('wpb_js_content_types')) ? $pt_array : vc_default_editor_post_types();
        foreach ($this->getPostTypes() as $pt) {
            if (!in_array($pt, $this->getExcluded())) {
                $checked = in_array($pt, $pt_array) ? ' checked="checked"' : '';
                ?>
			<label>
				<input type="checkbox"<?php 
                echo $checked;
                ?>
 value="<?php 
                echo $pt;
                ?>
"
					   id="wpb_js_post_types_<?php 
                echo $pt;
                ?>
"
					   name="<?php 
                echo self::$field_prefix . 'content_types';
                ?>
[]">
				<?php 
                echo $pt;
                ?>
			</label><br>
			<?php 
            }
        }
        ?>
	<p
	  class="description indicator-hint"><?php 
        _e("Select for which content types Visual Composer should be available during post creation/editing.", LANGUAGE_ZONE);
        ?>
</p>
	<?php 
    }

function vc_check_post_type($type)
{
    if (empty($type)) {
        $type = get_post_type();
    }
    $state = vc_user_access()->part('post_types')->getState();
    if (null === $state) {
        return in_array($type, vc_default_editor_post_types());
    } else {
        if (true === $state && !in_array($type, vc_default_editor_post_types())) {
            $valid = false;
        } else {
            $valid = vc_user_access()->part('post_types')->can($type)->get();
        }
    }
    return $valid;
}

<?php

/*
 Plugin Name: Visual Composer widgets
 Plugin URI: http://azexo.com
 Description: Visual Composer widgets
 Author: azexo
 Author URI: http://azexo.com
 Version: 1.0
 Text Domain: vc_widgets
*/
add_action('widgets_init', 'vc_widgets_register_widgets');
if (function_exists('vc_default_editor_post_types')) {
    $pt_array = ($pt_array = get_option('wpb_js_content_types')) ? $pt_array : vc_default_editor_post_types();
} else {
    $pt_array = ($pt_array = get_option('wpb_js_content_types')) ? $pt_array : array();
}
$pt_array[] = 'vc_widget';
update_option('wpb_js_content_types', $pt_array);
function vc_widgets_register_widgets()
{
    register_widget('VC_Widget');
}
class VC_Widget extends WP_Widget
{
    function VC_Widget()
    {
        parent::__construct('vc_widget', AZEXO_THEME_NAME . ' - VC Widget');
    }
    function widget($args, $instance)
    {