PHP wpcf7_array_flatten函数代码示例

function wpcf7_akismet_submitted_params()
{
    $params = array('author' => '', 'author_email' => '', 'author_url' => '');
    $content = '';
    $fes = wpcf7_scan_shortcode();
    foreach ($fes as $fe) {
        if (!isset($fe['name']) || !isset($_POST[$fe['name']])) {
            continue;
        }
        $value = $_POST[$fe['name']];
        if (is_array($value)) {
            $value = implode(', ', wpcf7_array_flatten($value));
        }
        $value = trim($value);
        $options = (array) $fe['options'];
        if (preg_grep('%^akismet:author$%', $options)) {
            $params['author'] = trim($params['author'] . ' ' . $value);
        } elseif (preg_grep('%^akismet:author_email$%', $options)) {
            if ('' == $params['author_email']) {
                $params['author_email'] = $value;
            }
        } elseif (preg_grep('%^akismet:author_url$%', $options)) {
            if ('' == $params['author_url']) {
                $params['author_url'] = $value;
            }
        }
        $content = trim($content . "\n\n" . $value);
    }
    $params = array_filter($params);
    if (!$params) {
        return false;
    }
    $params['content'] = $content;
    return $params;
}

function wpcf7_flat_join($input)
{
    $input = wpcf7_array_flatten($input);
    $output = array();
    foreach ((array) $input as $value) {
        $output[] = trim((string) $value);
    }
    return implode(', ', $output);
}

function wpcf7_akismet_submitted_params()
{
    $params = array('author' => '', 'author_email' => '', 'author_url' => '', 'content' => '');
    $has_akismet_option = false;
    foreach ((array) $_POST as $key => $val) {
        if ('_wpcf7' == substr($key, 0, 6) || '_wpnonce' == $key) {
            continue;
        }
        if (is_array($val)) {
            $val = implode(', ', wpcf7_array_flatten($val));
        }
        $val = trim($val);
        if (0 == strlen($val)) {
            continue;
        }
        if ($tags = wpcf7_scan_shortcode(array('name' => $key))) {
            $tag = $tags[0];
            $tag = new WPCF7_Shortcode($tag);
            $akismet = $tag->get_option('akismet', '(author|author_email|author_url)', true);
            if ($akismet) {
                $has_akismet_option = true;
                if ('author' == $akismet) {
                    $params[$akismet] = trim($params[$akismet] . ' ' . $val);
                } elseif ('' == $params[$akismet]) {
                    $params[$akismet] = $val;
                }
            }
        }
        $params['content'] .= "\n\n" . $val;
    }
    if (!$has_akismet_option) {
        return false;
    }
    $params['content'] = trim($params['content']);
    return $params;
}

 public function save()
 {
     $props = $this->get_properties();
     $post_content = implode("\n", wpcf7_array_flatten($props));
     if ($this->initial()) {
         $post_id = wp_insert_post(array('post_type' => self::post_type, 'post_status' => 'publish', 'post_title' => $this->title, 'post_content' => trim($post_content)));
     } else {
         $post_id = wp_update_post(array('ID' => (int) $this->id, 'post_status' => 'publish', 'post_title' => $this->title, 'post_content' => trim($post_content)));
     }
     if ($post_id) {
         foreach ($props as $prop => $value) {
             update_post_meta($post_id, '_' . $prop, wpcf7_normalize_newline_deep($value));
         }
         if (wpcf7_is_valid_locale($this->locale)) {
             update_post_meta($post_id, '_locale', $this->locale);
         }
         if ($this->initial()) {
             $this->id = $post_id;
             do_action('wpcf7_after_create', $this);
         } else {
             do_action('wpcf7_after_update', $this);
         }
         do_action('wpcf7_after_save', $this);
     }
     return $post_id;
 }

 private function blacklist_check()
 {
     $target = wpcf7_array_flatten($this->posted_data);
     $target[] = $this->get_meta('remote_ip');
     $target[] = $this->get_meta('user_agent');
     $target = implode("\n", $target);
     return wpcf7_blacklist_check($target);
 }

function wpcf7_array_flatten($input)
{
    if (!is_array($input)) {
        return array($input);
    }
    $output = array();
    foreach ($input as $value) {
        $output = array_merge($output, wpcf7_array_flatten($value));
    }
    return $output;
}

 private function blacklist_check()
 {
     $target = wpcf7_array_flatten($this->posted_data);
     $target[] = $_SERVER['REMOTE_ADDR'];
     $target[] = $_SERVER['HTTP_USER_AGENT'];
     $target = implode("\n", $target);
     return wpcf7_blacklist_check($target);
 }