PHP wpcf7_contact_form函数代码示例

 /**
  * Load selected template and translate.
  * 
  * @uses wpcf7_load_textdomain
  * @since 0.0.1
  */
 function load_template()
 {
     // Check the nonce and if not valid, just die.
     if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'cf7s')) {
         die;
     }
     // Get translation if locale is set and exists in the Contact Form 7 l10n
     if (isset($_POST['locale']) && !empty($_POST['locale']) && array_key_exists($_POST['locale'], wpcf7_l10n())) {
         wpcf7_load_textdomain($_POST['locale']);
     }
     // Get translation based on post ID
     if (isset($_POST['post']) && !empty($_POST['post'])) {
         $wpcf7 = wpcf7_contact_form((int) $_POST['post']);
         // current CF7 form
         wpcf7_load_textdomain($wpcf7->locale);
     }
     // Load selected template file
     $templates = $this->cf7s_get_template_list();
     $template = $templates[$_POST['template']];
     require_once $template['path'] . trailingslashit($template['dir']) . $template['index'];
     exit;
 }

function wpcf7_get_contact_form_by_title($title)
{
    $page = get_page_by_title($title, OBJECT, 'wpcf7_contact_form');
    if ($page) {
        return wpcf7_contact_form($page->ID);
    }
    return null;
}

function wpcf7_admin_management_page()
{
    $contact_forms = get_posts(array('numberposts' => -1, 'orderby' => 'ID', 'order' => 'ASC', 'post_type' => 'wpcf7_contact_form'));
    $cf = null;
    $unsaved = false;
    if (!isset($_GET['contactform'])) {
        $_GET['contactform'] = '';
    }
    if ('new' == $_GET['contactform'] && wpcf7_admin_has_edit_cap()) {
        $unsaved = true;
        $current = -1;
        $cf = wpcf7_get_contact_form_default_pack(array('locale' => isset($_GET['locale']) ? $_GET['locale'] : ''));
    } elseif ($cf = wpcf7_contact_form($_GET['contactform'])) {
        $current = (int) $_GET['contactform'];
    } else {
        $first = reset($contact_forms);
        // Returns first item
        if ($first) {
            $current = $first->ID;
            $cf = wpcf7_contact_form($current);
        }
    }
    require_once WPCF7_PLUGIN_DIR . '/admin/includes/meta-boxes.php';
    require_once WPCF7_PLUGIN_DIR . '/admin/edit.php';
}

function wpcf7_file_display_warning_message()
{
    if (empty($_GET['post']) || !($contact_form = wpcf7_contact_form($_GET['post']))) {
        return;
    }
    $has_tags = (bool) $contact_form->form_scan_shortcode(array('type' => array('file', 'file*')));
    if (!$has_tags) {
        return;
    }
    $uploads_dir = wpcf7_upload_tmp_dir();
    wpcf7_init_uploads();
    if (!is_dir($uploads_dir) || !wp_is_writable($uploads_dir)) {
        $message = sprintf(__('This contact form contains file uploading fields, but the temporary folder for the files (%s) does not exist or is not writable. You can create the folder or change its permission manually.', 'wpcf7'), $uploads_dir);
        echo '<div class="error"><p><strong>' . esc_html($message) . '</strong></p></div>';
    }
}

function wpcf7_admin_management_page()
{
    $contact_forms = wpcf7_contact_forms();
    $unsaved = false;
    if (!isset($_GET['contactform'])) {
        $_GET['contactform'] = '';
    }
    if ('new' == $_GET['contactform']) {
        $unsaved = true;
        $current = -1;
        $cf = wpcf7_contact_form_default_pack(isset($_GET['locale']) ? $_GET['locale'] : '');
    } elseif ($cf = wpcf7_contact_form($_GET['contactform'])) {
        $current = (int) $_GET['contactform'];
    } else {
        $first = reset($contact_forms);
        // Returns first item
        $current = $first->id;
        $cf = wpcf7_contact_form($current);
    }
    require_once WPCF7_PLUGIN_DIR . '/admin/edit.php';
}

function wpcf7_captcha_display_warning_message()
{
    if (empty($_GET['post']) || !($contact_form = wpcf7_contact_form($_GET['post']))) {
        return;
    }
    $has_tags = (bool) $contact_form->form_scan_shortcode(array('type' => array('captchac')));
    if (!$has_tags) {
        return;
    }
    if (!class_exists('ReallySimpleCaptcha')) {
        return;
    }
    $uploads_dir = wpcf7_captcha_tmp_dir();
    wpcf7_init_captcha();
    if (!is_dir($uploads_dir) || !wp_is_writable($uploads_dir)) {
        $message = sprintf(__('This contact form contains CAPTCHA fields, but the temporary folder for the files (%s) does not exist or is not writable. You can create the folder or change its permission manually.', 'wpcf7'), $uploads_dir);
        echo '<div class="error"><p><strong>' . esc_html($message) . '</strong></p></div>';
    }
    if (!function_exists('imagecreatetruecolor') || !function_exists('imagettftext')) {
        $message = __('This contact form contains CAPTCHA fields, but the necessary libraries (GD and FreeType) are not available on your server.', 'wpcf7');
        echo '<div class="error"><p><strong>' . esc_html($message) . '</strong></p></div>';
    }
}

function wpcf7_load_contact_form_admin()
{
    global $plugin_page;
    $action = wpcf7_current_action();
    if ('save' == $action) {
        $id = $_POST['post_ID'];
        check_admin_referer('wpcf7-save-contact-form_' . $id);
        if (!current_user_can('wpcf7_edit_contact_form', $id)) {
            wp_die(__('You are not allowed to edit this item.', 'contact-form-7'));
        }
        if (!($contact_form = wpcf7_contact_form($id))) {
            $contact_form = new WPCF7_ContactForm();
            $contact_form->initial = true;
        }
        $contact_form->title = trim($_POST['wpcf7-title']);
        $contact_form->locale = trim($_POST['wpcf7-locale']);
        $form = trim($_POST['wpcf7-form']);
        $mail = array('subject' => trim($_POST['wpcf7-mail-subject']), 'sender' => trim($_POST['wpcf7-mail-sender']), 'body' => trim($_POST['wpcf7-mail-body']), 'recipient' => trim($_POST['wpcf7-mail-recipient']), 'additional_headers' => trim($_POST['wpcf7-mail-additional-headers']), 'attachments' => trim($_POST['wpcf7-mail-attachments']), 'use_html' => isset($_POST['wpcf7-mail-use-html']) && 1 == $_POST['wpcf7-mail-use-html']);
        $mail_2 = array('active' => isset($_POST['wpcf7-mail-2-active']) && 1 == $_POST['wpcf7-mail-2-active'], 'subject' => trim($_POST['wpcf7-mail-2-subject']), 'sender' => trim($_POST['wpcf7-mail-2-sender']), 'body' => trim($_POST['wpcf7-mail-2-body']), 'recipient' => trim($_POST['wpcf7-mail-2-recipient']), 'additional_headers' => trim($_POST['wpcf7-mail-2-additional-headers']), 'attachments' => trim($_POST['wpcf7-mail-2-attachments']), 'use_html' => isset($_POST['wpcf7-mail-2-use-html']) && 1 == $_POST['wpcf7-mail-2-use-html']);
        $messages = isset($contact_form->messages) ? $contact_form->messages : array();
        foreach (wpcf7_messages() as $key => $arr) {
            $field_name = 'wpcf7-message-' . strtr($key, '_', '-');
            if (isset($_POST[$field_name])) {
                $messages[$key] = trim($_POST[$field_name]);
            }
        }
        $additional_settings = trim($_POST['wpcf7-additional-settings']);
        $props = apply_filters('wpcf7_contact_form_admin_posted_properties', compact('form', 'mail', 'mail_2', 'messages', 'additional_settings'));
        foreach ((array) $props as $key => $prop) {
            $contact_form->{$key} = $prop;
        }
        $query = array();
        $query['message'] = $contact_form->initial ? 'created' : 'saved';
        $contact_form->save();
        $query['post'] = $contact_form->id;
        $redirect_to = add_query_arg($query, menu_page_url('wpcf7', false));
        wp_safe_redirect($redirect_to);
        exit;
    }
    if ('copy' == $action) {
        $id = empty($_POST['post_ID']) ? absint($_REQUEST['post']) : absint($_POST['post_ID']);
        check_admin_referer('wpcf7-copy-contact-form_' . $id);
        if (!current_user_can('wpcf7_edit_contact_form', $id)) {
            wp_die(__('You are not allowed to edit this item.', 'contact-form-7'));
        }
        $query = array();
        if ($contact_form = wpcf7_contact_form($id)) {
            $new_contact_form = $contact_form->copy();
            $new_contact_form->save();
            $query['post'] = $new_contact_form->id;
            $query['message'] = 'created';
        }
        $redirect_to = add_query_arg($query, menu_page_url('wpcf7', false));
        wp_safe_redirect($redirect_to);
        exit;
    }
    if ('delete' == $action) {
        if (!empty($_POST['post_ID'])) {
            check_admin_referer('wpcf7-delete-contact-form_' . $_POST['post_ID']);
        } elseif (!is_array($_REQUEST['post'])) {
            check_admin_referer('wpcf7-delete-contact-form_' . $_REQUEST['post']);
        } else {
            check_admin_referer('bulk-posts');
        }
        $posts = empty($_POST['post_ID']) ? (array) $_REQUEST['post'] : (array) $_POST['post_ID'];
        $deleted = 0;
        foreach ($posts as $post) {
            $post = new WPCF7_ContactForm($post);
            if (empty($post)) {
                continue;
            }
            if (!current_user_can('wpcf7_delete_contact_form', $post->id)) {
                wp_die(__('You are not allowed to delete this item.', 'contact-form-7'));
            }
            if (!$post->delete()) {
                wp_die(__('Error in deleting.', 'contact-form-7'));
            }
            $deleted += 1;
        }
        $query = array();
        if (!empty($deleted)) {
            $query['message'] = 'deleted';
        }
        $redirect_to = add_query_arg($query, menu_page_url('wpcf7', false));
        wp_safe_redirect($redirect_to);
        exit;
    }
    $_GET['post'] = isset($_GET['post']) ? $_GET['post'] : '';
    $post = null;
    if ('wpcf7-new' == $plugin_page && isset($_GET['locale'])) {
        $post = wpcf7_get_contact_form_default_pack(array('locale' => $_GET['locale']));
    } elseif (!empty($_GET['post'])) {
        $post = wpcf7_contact_form($_GET['post']);
    }
    if ($post && current_user_can('wpcf7_edit_contact_form', $post->id)) {
        wpcf7_add_meta_boxes($post->id);
    } else {
        $current_screen = get_current_screen();
        if (!class_exists('WPCF7_Contact_Form_List_Table')) {
            require_once WPCF7_PLUGIN_DIR . '/admin/includes/class-contact-forms-list-table.php';
//.........这里部分代码省略.........

function wpcf7_contact_form_tag_func($atts, $content = null, $code = '')
{
    global $wpcf7, $wpcf7_contact_form;
    if (is_feed()) {
        return '[contact-form-7]';
    }
    if ('contact-form-7' == $code) {
        $atts = shortcode_atts(array('id' => 0, 'title' => ''), $atts);
        $id = (int) $atts['id'];
        $title = trim($atts['title']);
        if (!($wpcf7_contact_form = wpcf7_contact_form($id))) {
            $wpcf7_contact_form = wpcf7_get_contact_form_by_title($title);
        }
    } else {
        if (is_string($atts)) {
            $atts = explode(' ', $atts, 2);
        }
        $id = (int) array_shift($atts);
        $wpcf7_contact_form = wpcf7_get_contact_form_by_old_id($id);
    }
    if (!$wpcf7_contact_form) {
        return '[contact-form-7 404 "Not Found"]';
    }
    if ($wpcf7->processing_within) {
        // Inside post content or text widget
        $wpcf7->unit_count += 1;
        $unit_count = $wpcf7->unit_count;
        $processing_within = $wpcf7->processing_within;
    } else {
        // Inside template
        if (!isset($wpcf7->global_unit_count)) {
            $wpcf7->global_unit_count = 0;
        }
        $wpcf7->global_unit_count += 1;
        $unit_count = 1;
        $processing_within = 't' . $wpcf7->global_unit_count;
    }
    $unit_tag = 'wpcf7-f' . $wpcf7_contact_form->id . '-' . $processing_within . '-o' . $unit_count;
    $wpcf7_contact_form->unit_tag = $unit_tag;
    $form = $wpcf7_contact_form->form_html();
    $wpcf7_contact_form = null;
    return $form;
}

function wpcf7_get_contact_form_by_old_id($old_id)
{
    global $wpdb;
    $q = "SELECT post_id FROM {$wpdb->postmeta} WHERE meta_key = '_old_cf7_unit_id'" . $wpdb->prepare(" AND meta_value = %d", $old_id);
    if ($new_id = $wpdb->get_var($q)) {
        return wpcf7_contact_form($new_id);
    }
}

function wpcf7_load_contact_form_admin()
{
    global $plugin_page;
    $action = wpcf7_current_action();
    if ('save' == $action) {
        $id = $_POST['post_ID'];
        check_admin_referer('wpcf7-save-contact-form_' . $id);
        if (!current_user_can('wpcf7_edit_contact_form', $id)) {
            wp_die(__('You are not allowed to edit this item.', 'contact-form-7'));
        }
        $id = wpcf7_save_contact_form($id);
        $query = array('message' => -1 == $_POST['post_ID'] ? 'created' : 'saved', 'post' => $id, 'active-tab' => isset($_POST['active-tab']) ? (int) $_POST['active-tab'] : 0);
        $redirect_to = add_query_arg($query, menu_page_url('wpcf7', false));
        wp_safe_redirect($redirect_to);
        exit;
    }
    if ('copy' == $action) {
        $id = empty($_POST['post_ID']) ? absint($_REQUEST['post']) : absint($_POST['post_ID']);
        check_admin_referer('wpcf7-copy-contact-form_' . $id);
        if (!current_user_can('wpcf7_edit_contact_form', $id)) {
            wp_die(__('You are not allowed to edit this item.', 'contact-form-7'));
        }
        $query = array();
        if ($contact_form = wpcf7_contact_form($id)) {
            $new_contact_form = $contact_form->copy();
            $new_contact_form->save();
            $query['post'] = $new_contact_form->id();
            $query['message'] = 'created';
        }
        $redirect_to = add_query_arg($query, menu_page_url('wpcf7', false));
        wp_safe_redirect($redirect_to);
        exit;
    }
    if ('delete' == $action) {
        if (!empty($_POST['post_ID'])) {
            check_admin_referer('wpcf7-delete-contact-form_' . $_POST['post_ID']);
        } elseif (!is_array($_REQUEST['post'])) {
            check_admin_referer('wpcf7-delete-contact-form_' . $_REQUEST['post']);
        } else {
            check_admin_referer('bulk-posts');
        }
        $posts = empty($_POST['post_ID']) ? (array) $_REQUEST['post'] : (array) $_POST['post_ID'];
        $deleted = 0;
        foreach ($posts as $post) {
            $post = WPCF7_ContactForm::get_instance($post);
            if (empty($post)) {
                continue;
            }
            if (!current_user_can('wpcf7_delete_contact_form', $post->id())) {
                wp_die(__('You are not allowed to delete this item.', 'contact-form-7'));
            }
            if (!$post->delete()) {
                wp_die(__('Error in deleting.', 'contact-form-7'));
            }
            $deleted += 1;
        }
        $query = array();
        if (!empty($deleted)) {
            $query['message'] = 'deleted';
        }
        $redirect_to = add_query_arg($query, menu_page_url('wpcf7', false));
        wp_safe_redirect($redirect_to);
        exit;
    }
    $_GET['post'] = isset($_GET['post']) ? $_GET['post'] : '';
    $post = null;
    if ('wpcf7-new' == $plugin_page && isset($_GET['locale'])) {
        $post = WPCF7_ContactForm::get_template(array('locale' => $_GET['locale']));
    } elseif (!empty($_GET['post'])) {
        $post = WPCF7_ContactForm::get_instance($_GET['post']);
    }
    $current_screen = get_current_screen();
    $help_tabs = new WPCF7_Help_Tabs($current_screen);
    if ($post && current_user_can('wpcf7_edit_contact_form', $post->id())) {
        $help_tabs->set_help_tabs('edit');
    } else {
        if ('wpcf7-new' == $plugin_page) {
            $help_tabs->set_help_tabs('add_new');
        } else {
            $help_tabs->set_help_tabs('list');
            if (!class_exists('WPCF7_Contact_Form_List_Table')) {
                require_once WPCF7_PLUGIN_DIR . '/admin/includes/class-contact-forms-list-table.php';
            }
            add_filter('manage_' . $current_screen->id . '_columns', array('WPCF7_Contact_Form_List_Table', 'define_columns'));
            add_screen_option('per_page', array('default' => 20, 'option' => 'cfseven_contact_forms_per_page'));
        }
    }
}

function wpcf7_submit_nonajax()
{
    if (!isset($_POST['_wpcf7'])) {
        return;
    }
    if ($contact_form = wpcf7_contact_form((int) $_POST['_wpcf7'])) {
        $contact_form->submit();
    }
}

function wpcf7_contact_form_tag_func($atts)
{
    global $wpcf7_contact_form, $wpcf7_unit_count, $wpcf7_processing_within;
    if (is_feed()) {
        return '[contact-form]';
    }
    if (is_string($atts)) {
        $atts = explode(' ', $atts, 2);
    }
    $atts = (array) $atts;
    $id = (int) array_shift($atts);
    if (!($wpcf7_contact_form = wpcf7_contact_form($id))) {
        return '[contact-form 404 "Not Found"]';
    }
    $wpcf7_unit_count += 1;
    $unit_tag = 'wpcf7-f' . $id . '-' . $wpcf7_processing_within . '-o' . $wpcf7_unit_count;
    $wpcf7_contact_form->unit_tag = $unit_tag;
    $form = $wpcf7_contact_form->form_html();
    $wpcf7_contact_form = null;
    return $form;
}

function wpcf7_save_contact_form($post_id = -1)
{
    if (-1 != $post_id) {
        $contact_form = wpcf7_contact_form($post_id);
    }
    if (empty($contact_form)) {
        $contact_form = WPCF7_ContactForm::get_template();
    }
    if (isset($_POST['post_title'])) {
        $contact_form->set_title($_POST['post_title']);
    }
    if (isset($_POST['wpcf7-locale'])) {
        $locale = trim($_POST['wpcf7-locale']);
        if (wpcf7_is_valid_locale($locale)) {
            $contact_form->locale = $locale;
        }
    }
    $properties = $contact_form->get_properties();
    if (isset($_POST['wpcf7-form'])) {
        $properties['form'] = trim($_POST['wpcf7-form']);
    }
    $mail = $properties['mail'];
    if (isset($_POST['wpcf7-mail-subject'])) {
        $mail['subject'] = trim($_POST['wpcf7-mail-subject']);
    }
    if (isset($_POST['wpcf7-mail-sender'])) {
        $mail['sender'] = trim($_POST['wpcf7-mail-sender']);
    }
    if (isset($_POST['wpcf7-mail-body'])) {
        $mail['body'] = trim($_POST['wpcf7-mail-body']);
    }
    if (isset($_POST['wpcf7-mail-recipient'])) {
        $mail['recipient'] = trim($_POST['wpcf7-mail-recipient']);
    }
    if (isset($_POST['wpcf7-mail-additional-headers'])) {
        $mail['additional_headers'] = trim($_POST['wpcf7-mail-additional-headers']);
    }
    if (isset($_POST['wpcf7-mail-attachments'])) {
        $mail['attachments'] = trim($_POST['wpcf7-mail-attachments']);
    }
    $mail['use_html'] = !empty($_POST['wpcf7-mail-use-html']);
    $mail['exclude_blank'] = !empty($_POST['wpcf7-mail-exclude-blank']);
    $properties['mail'] = $mail;
    $mail_2 = $properties['mail_2'];
    $mail_2['active'] = !empty($_POST['wpcf7-mail-2-active']);
    if (isset($_POST['wpcf7-mail-2-subject'])) {
        $mail_2['subject'] = trim($_POST['wpcf7-mail-2-subject']);
    }
    if (isset($_POST['wpcf7-mail-2-sender'])) {
        $mail_2['sender'] = trim($_POST['wpcf7-mail-2-sender']);
    }
    if (isset($_POST['wpcf7-mail-2-body'])) {
        $mail_2['body'] = trim($_POST['wpcf7-mail-2-body']);
    }
    if (isset($_POST['wpcf7-mail-2-recipient'])) {
        $mail_2['recipient'] = trim($_POST['wpcf7-mail-2-recipient']);
    }
    if (isset($_POST['wpcf7-mail-2-additional-headers'])) {
        $mail_2['additional_headers'] = trim($_POST['wpcf7-mail-2-additional-headers']);
    }
    if (isset($_POST['wpcf7-mail-2-attachments'])) {
        $mail_2['attachments'] = trim($_POST['wpcf7-mail-2-attachments']);
    }
    $mail_2['use_html'] = !empty($_POST['wpcf7-mail-2-use-html']);
    $mail_2['exclude_blank'] = !empty($_POST['wpcf7-mail-2-exclude-blank']);
    $properties['mail_2'] = $mail_2;
    foreach (wpcf7_messages() as $key => $arr) {
        $field_name = 'wpcf7-message-' . strtr($key, '_', '-');
        if (isset($_POST[$field_name])) {
            $properties['messages'][$key] = trim($_POST[$field_name]);
        }
    }
    if (isset($_POST['wpcf7-additional-settings'])) {
        $properties['additional_settings'] = trim($_POST['wpcf7-additional-settings']);
    }
    $contact_form->set_properties($properties);
    do_action('wpcf7_save_contact_form', $contact_form);
    return $contact_form->save();
}

 /**
  * @param int $object_id
  * @since 3.0
  * @return string
  */
 public function get_object_link($object_id)
 {
     // for backwards compatibility, not all CF7 sign-ups have an object id
     if (empty($object_id)) {
         return '';
     }
     // Return empty string if CF7 is no longer activated.
     if (!function_exists('wpcf7_contact_form')) {
         return '';
     }
     $form = wpcf7_contact_form($object_id);
     if (!is_object($form)) {
         return '';
     }
     return sprintf('<a href="%s">%s</a>', admin_url('admin.php?page=wpcf7&post=' . $object_id), $form->title());
 }

function wpcf7_admin_management_page()
{
    global $wp_version;
    switch ($_GET['message']) {
        case 'created':
            $updated_message = __("Contact form created.", 'wpcf7');
            break;
        case 'saved':
            $updated_message = __("Contact form saved.", 'wpcf7');
            break;
        case 'deleted':
            $updated_message = __("Contact form deleted.", 'wpcf7');
            break;
        case 'table_created':
            $updated_message = __("Database table created.", 'wpcf7');
            break;
        case 'table_not_created':
            $updated_message = __("Failed to create database table.", 'wpcf7');
            break;
    }
    $contact_forms = wpcf7_contact_forms();
    $id = $_POST['wpcf7-id'];
    if ('new' == $_GET['contactform']) {
        $unsaved = true;
        $current = -1;
        $cf = wpcf7_contact_form_default_pack();
    } elseif ($cf = wpcf7_contact_form($_GET['contactform'])) {
        $current = (int) $_GET['contactform'];
    } else {
        $first = reset($contact_forms);
        // Returns first item
        $current = $first->id;
        $cf = wpcf7_contact_form($current);
    }
    require_once WPCF8_PLUGIN_DIR . '/admin/admin-panel.php';
}