ArticleImage::delete PHP Method

    public function delete()
    {
        if (!$this->exists()) {
            return false;
        }
        $p_imageId = $this->m_data['IdImage'];
        $p_articleNumber = $this->m_data['Number'];
        ArticleImage::RemoveImageTagsFromArticleText($this->getArticleNumber(), $this->getTemplateId());
        $image_id = $this->getImageId();
        $article_number = $this->getArticleNumber();
        $result = parent::delete();
        $cacheService = \Zend_Registry::get('container')->getService('newscoop.cache');
        $cacheService->clearNamespace('article_image');
        return $result;
    }

require_once $GLOBALS['g_campsiteDir'] . '/classes/User.php';
require_once $GLOBALS['g_campsiteDir'] . '/classes/Log.php';
require_once $GLOBALS['g_campsiteDir'] . '/classes/Input.php';
$translator = \Zend_Registry::get('container')->getService('translator');
if (!SecurityToken::isValid()) {
    camp_html_display_error($translator->trans('Invalid security token!'));
    exit;
}
$f_language_id = Input::Get('f_language_id', 'int', 0);
$f_language_selected = Input::Get('f_language_selected', 'int', 0);
$f_article_number = Input::Get('f_article_number', 'int', 0);
$f_image_id = Input::Get('f_image_id', 'int', 0);
$f_image_template_id = Input::Get('f_image_template_id', 'int', 0);
// Check input
if (!Input::IsValid()) {
    camp_html_display_error($translator->trans('Invalid input: $1', array('$1' => Input::GetErrorString())), null, true);
    exit;
}
// This file can only be accessed if the user has the right to change articles
// or the user created this article and it hasnt been published yet.
if (!$g_user->hasPermission('AttachImageToArticle')) {
    camp_html_display_error($translator->trans("You do not have the right to attach images to articles.", array(), 'article_images'), null, true);
    exit;
}
$articleObj = new Article($f_language_selected, $f_article_number);
$imageObj = new Image($f_image_id);
$articleImage = new ArticleImage($f_article_number, $f_image_id, $f_image_template_id);
$articleImage->delete();
Zend_Registry::get('container')->getService('image.rendition')->unsetArticleImageRenditions($f_article_number, $f_image_id);
camp_html_add_msg($translator->trans('The image has been removed from the article.', array(), 'article_images'), "ok");
camp_html_goto_page(camp_html_article_url($articleObj, $f_language_id, 'edit.php'));