PHP nxt_die函数代码示例

 /**
  * register_post_types()
  *
  * Static function to register the assignments post types, taxonomies and capabilities.
  */
 function register_post_types()
 {
     $assignment_post_def = array('label' => __('Assignments', 'bpsp'), 'singular_label' => __('Assignment', 'bpsp'), 'description' => __('BuddyPress ScholarPress Courseware Assignments', 'bpsp'), 'public' => BPSP_DEBUG, 'publicly_queryable' => false, 'exclude_from_search' => true, 'show_ui' => BPSP_DEBUG, 'capability_type' => 'assignment', 'hierarchical' => false, 'rewrite' => false, 'query_var' => false, 'supports' => array('title', 'editor', 'author', 'custom-fields'), 'taxonomies' => array('course_id', 'group_id'));
     if (!register_post_type('assignment', $assignment_post_def)) {
         nxt_die(__('BuddyPress Courseware error while registering assignment post type.', 'bpsp'));
     }
 }

 /**
  * register_post_types()
  *
  * Static function to register the responses post types, taxonomies and capabilities.
  */
 function register_post_types()
 {
     $response_post_def = array('label' => __('Responses', 'bpsp'), 'singular_label' => __('Response', 'bpsp'), 'description' => __('BuddyPress ScholarPress Courseware Responses', 'bpsp'), 'public' => BPSP_DEBUG, 'publicly_queryable' => false, 'exclude_from_search' => true, 'show_ui' => BPSP_DEBUG, 'capability_type' => 'response', 'hierarchical' => false, 'rewrite' => false, 'query_var' => false, 'supports' => array('title', 'editor', 'author'));
     if (!register_post_type('response', $response_post_def)) {
         nxt_die(__('BuddyPress Courseware error while registering response post type.', 'bpsp'));
     }
 }

/**
 * Update a comment with values provided in $_POST.
 *
 * @since 2.0.0
 */
function edit_comment()
{
    if (!current_user_can('edit_comment', (int) $_POST['comment_ID'])) {
        nxt_die(__('You are not allowed to edit comments on this post.'));
    }
    $_POST['comment_author'] = $_POST['newcomment_author'];
    $_POST['comment_author_email'] = $_POST['newcomment_author_email'];
    $_POST['comment_author_url'] = $_POST['newcomment_author_url'];
    $_POST['comment_approved'] = $_POST['comment_status'];
    $_POST['comment_content'] = $_POST['content'];
    $_POST['comment_ID'] = (int) $_POST['comment_ID'];
    foreach (array('aa', 'mm', 'jj', 'hh', 'mn') as $timeunit) {
        if (!empty($_POST['hidden_' . $timeunit]) && $_POST['hidden_' . $timeunit] != $_POST[$timeunit]) {
            $_POST['edit_date'] = '1';
            break;
        }
    }
    if (!empty($_POST['edit_date'])) {
        $aa = $_POST['aa'];
        $mm = $_POST['mm'];
        $jj = $_POST['jj'];
        $hh = $_POST['hh'];
        $mn = $_POST['mn'];
        $ss = $_POST['ss'];
        $jj = $jj > 31 ? 31 : $jj;
        $hh = $hh > 23 ? $hh - 24 : $hh;
        $mn = $mn > 59 ? $mn - 60 : $mn;
        $ss = $ss > 59 ? $ss - 60 : $ss;
        $_POST['comment_date'] = "{$aa}-{$mm}-{$jj} {$hh}:{$mn}:{$ss}";
    }
    nxt_update_comment($_POST);
}

/**
 * Determines if the available space defined by the admin has been exceeded by the user.
 *
 * @deprecated 3.0.0
 * @see is_upload_space_available()
 */
function nxtmu_checkAvailableSpace()
{
    _deprecated_function(__FUNCTION__, '3.0', 'is_upload_space_available()');
    if (!is_upload_space_available()) {
        nxt_die(__('Sorry, you must delete files before you can upload any more.'));
    }
}

 /**
  * register_post_types()
  *
  * Static function to register the lecture post type, taxonomies and capabilities.
  */
 function register_post_types()
 {
     $lecture_post_def = array('label' => __('Lecture', 'bpsp'), 'singular_label' => __('Lecture', 'bpsp'), 'description' => __('BuddyPress ScholarPress Courseware Lectures', 'bpsp'), 'public' => BPSP_DEBUG, 'publicly_queryable' => false, 'exclude_from_search' => true, 'show_ui' => BPSP_DEBUG, 'capability_type' => 'lecture', 'hierarchical' => true, 'rewrite' => false, 'query_var' => false, 'supports' => array('title', 'editor', 'author', 'page-attributes'), 'taxonomies' => array('group_id'));
     if (!register_post_type('lecture', $lecture_post_def)) {
         nxt_die(__('BuddyPress Courseware error while registering lecture post type.', 'bpsp'));
     }
     $course_rel_def = array('public' => BPSP_DEBUG, 'show_ui' => BPSP_DEBUG, 'hierarchical' => false, 'label' => __('Course ID', 'bpsp'), 'query_var' => 'course_id', 'rewrite' => false, 'capabilities' => array('manage_terms' => 'manage_course_id', 'edit_terms' => 'manage_course_id', 'delete_terms' => 'manage_course_id', 'assign_terms' => 'edit_courses'));
     register_taxonomy('course_id', array('lecture'), $course_rel_def);
     if (!get_taxonomy('course_id')) {
         nxt_die(__('BuddyPress Courseware error while registering course taxonomy.', 'bpsp'));
     }
 }

 /**
  * register_post_types()
  *
  * Static function to register the assignments post types, taxonomies and capabilities.
  */
 function register_post_types()
 {
     $grade_post_def = array('label' => __('Gradebooks', 'bpsp'), 'singular_label' => __('Gradebook', 'bpsp'), 'description' => __('BuddyPress ScholarPress Courseware Gradebook', 'bpsp'), 'public' => BPSP_DEBUG, 'publicly_queryable' => false, 'exclude_from_search' => true, 'show_ui' => BPSP_DEBUG, 'capability_type' => 'gradebook', 'hierarchical' => false, 'rewrite' => false, 'query_var' => false, 'supports' => array('author', 'custom-fields'), 'taxonomies' => array('group_id'));
     if (!register_post_type('gradebook', $grade_post_def)) {
         nxt_die(__('BuddyPress Courseware error while registering grade post type.', 'bpsp'));
     }
     $assignment_rel_def = array('public' => BPSP_DEBUG, 'show_ui' => BPSP_DEBUG, 'hierarchical' => false, 'label' => __('Assignment ID', 'bpsp'), 'query_var' => 'assignment_id', 'rewrite' => false, 'capabilities' => array('manage_terms' => 'manage_assignment_id', 'edit_terms' => 'manage_assignment_id', 'delete_terms' => 'manage_assignment_id', 'assign_terms' => 'edit_gradebooks'));
     register_taxonomy('assignment_id', array('gradebook'), $assignment_rel_def);
     if (!get_taxonomy('assignment_id')) {
         nxt_die(__('BuddyPress Courseware error while registering assignment taxonomy.', 'bpsp'));
     }
 }

 function __construct()
 {
     global $post_type, $taxonomy, $tax;
     nxt_reset_vars(array('action', 'taxonomy', 'post_type'));
     if (empty($taxonomy)) {
         $taxonomy = 'post_tag';
     }
     if (!taxonomy_exists($taxonomy)) {
         nxt_die(__('Invalid taxonomy'));
     }
     $tax = get_taxonomy($taxonomy);
     if (empty($post_type) || !in_array($post_type, get_post_types(array('show_ui' => true)))) {
         $post_type = 'post';
     }
     parent::__construct(array('plural' => 'tags', 'singular' => 'tag'));
 }

 /**
  * register_post_types()
  *
  * Static function to register the bibliography post types and capabilities.
  */
 function register_post_types()
 {
     $bib_post_def = array('label' => __('Bibliography', 'bpsp'), 'singular_label' => __('Bibliography', 'bpsp'), 'description' => __('BuddyPress ScholarPress Courseware Bibliography', 'bpsp'), 'public' => BPSP_DEBUG, 'publicly_queryable' => false, 'exclude_from_search' => true, 'show_ui' => BPSP_DEBUG, 'capability_type' => 'bib', 'hierarchical' => false, 'rewrite' => false, 'query_var' => false, 'supports' => array('title', 'custom-fields'));
     if (!register_post_type('bib', $bib_post_def)) {
         nxt_die(__('BuddyPress Courseware error while registering bibliography post type.', 'bpsp'));
     }
     /**
      * Dummy post definition for storing the bibs entries as custom-fields
      */
     $bibdb_def = array('post_title' => 'BIBSDB', 'post_status' => 'draft', 'post_type' => 'bib');
     if (!get_posts($bibdb_def)) {
         $bibs_id = nxt_insert_post($bibdb_def);
         if (!$bibs_id) {
             nxt_die('BuddyPress Courseware error while creating bibliography database.', 'bpsp');
         }
     }
 }

/**
 * Update or insert a link using values provided in $_POST.
 *
 * @since 2.0.0
 *
 * @param int $link_id Optional. ID of the link to edit.
 * @return int|nxt_Error Value 0 or nxt_Error on failure. The link ID on success.
 */
function edit_link($link_id = 0)
{
    if (!current_user_can('manage_links')) {
        nxt_die(__('Cheatin’ uh?'));
    }
    $_POST['link_url'] = esc_html($_POST['link_url']);
    $_POST['link_url'] = esc_url($_POST['link_url']);
    $_POST['link_name'] = esc_html($_POST['link_name']);
    $_POST['link_image'] = esc_html($_POST['link_image']);
    $_POST['link_rss'] = esc_url($_POST['link_rss']);
    if (!isset($_POST['link_visible']) || 'N' != $_POST['link_visible']) {
        $_POST['link_visible'] = 'Y';
    }
    if (!empty($link_id)) {
        $_POST['link_id'] = $link_id;
        return nxt_update_link($_POST);
    } else {
        return nxt_insert_link($_POST);
    }
}

            }
            $help = '<p><strong>' . __('For more information:') . '</strong></p>';
            if ('category' == $taxonomy) {
                $help .= '<p>' . __('<a href="http://codex.nxtclass.org/Posts_Categories_Screen" target="_blank">Documentation on Categories</a>') . '</p>';
            } elseif ('link_category' == $taxonomy) {
                $help .= '<p>' . __('<a href="http://codex.nxtclass.org/Links_Link_Categories_Screen" target="_blank">Documentation on Link Categories</a>') . '</p>';
            } else {
                $help .= '<p>' . __('<a href="http://codex.nxtclass.org/Posts_Tags_Screen" target="_blank">Documentation on Tags</a>') . '</p>';
            }
            $help .= '<p>' . __('<a href="http://nxtclass.org/support/" target="_blank">Support Forums</a>') . '</p>';
            get_current_screen()->set_help_sidebar($help);
            unset($help);
        }
        require_once 'admin-header.php';
        if (!current_user_can($tax->cap->edit_terms)) {
            nxt_die(__('You are not allowed to edit this item.'));
        }
        $messages[1] = __('Item added.');
        $messages[2] = __('Item deleted.');
        $messages[3] = __('Item updated.');
        $messages[4] = __('Item not added.');
        $messages[5] = __('Item not updated.');
        $messages[6] = __('Items deleted.');
        ?>

<div class="wrap nosubsub">
<?php 
        screen_icon();
        ?>
<h2><?php 
        echo esc_html($title);

function _show_post_preview()
{
    if (isset($_GET['preview_id']) && isset($_GET['preview_nonce'])) {
        $id = (int) $_GET['preview_id'];
        if (false == nxt_verify_nonce($_GET['preview_nonce'], 'post_preview_' . $id)) {
            nxt_die(__('You do not have permission to preview drafts.'));
        }
        add_filter('the_preview', '_set_preview');
    }
}

 /**
  * Wraps errors in a nice header and footer and dies.
  *
  * Will not die if nxtdb::$show_errors is true
  *
  * @since 1.5.0
  *
  * @param string $message The Error message
  * @param string $error_code Optional. A Computer readable string to identify the error.
  * @return false|void
  */
 function bail($message, $error_code = '500')
 {
     if (!$this->show_errors) {
         if (class_exists('nxt_Error')) {
             $this->error = new nxt_Error($error_code, $message);
         } else {
             $this->error = $message;
         }
         return false;
     }
     nxt_die($message);
 }

/**
 * Display theme information in dialog box form.
 *
 * @since 2.8.0
 */
function install_theme_information()
{
    //TODO: This function needs a LOT of UI work :)
    global $tab, $themes_allowedtags;
    $api = themes_api('theme_information', array('slug' => stripslashes($_REQUEST['theme'])));
    if (is_nxt_error($api)) {
        nxt_die($api);
    }
    // Sanitize HTML
    foreach ((array) $api->sections as $section_name => $content) {
        $api->sections[$section_name] = nxt_kses($content, $themes_allowedtags);
    }
    foreach (array('version', 'author', 'requires', 'tested', 'homepage', 'downloaded', 'slug') as $key) {
        if (isset($api->{$key})) {
            $api->{$key} = nxt_kses($api->{$key}, $themes_allowedtags);
        }
    }
    iframe_header(__('Theme Install'));
    if (empty($api->download_link)) {
        echo '<div id="message" class="error"><p>' . __('<strong>ERROR:</strong> This theme is currently not available. Please try again later.') . '</p></div>';
        iframe_footer();
        exit;
    }
    if (!empty($api->tested) && version_compare($GLOBALS['nxt_version'], $api->tested, '>')) {
        echo '<div class="updated"><p>' . __('<strong>Warning:</strong> This theme has <strong>not been tested</strong> with your current version of NXTClass.') . '</p></div>';
    } else {
        if (!empty($api->requires) && version_compare($GLOBALS['nxt_version'], $api->requires, '<')) {
            echo '<div class="updated"><p>' . __('<strong>Warning:</strong> This theme has not been marked as <strong>compatible</strong> with your version of NXTClass.') . '</p></div>';
        }
    }
    // Default to a "new" theme
    $type = 'install';
    // Check to see if this theme is known to be installed, and has an update awaiting it.
    $update_themes = get_site_transient('update_themes');
    if (is_object($update_themes) && isset($update_themes->response)) {
        foreach ((array) $update_themes->response as $theme_slug => $theme_info) {
            if ($theme_slug === $api->slug) {
                $type = 'update_available';
                $update_file = $theme_slug;
                break;
            }
        }
    }
    $themes = get_themes();
    foreach ((array) $themes as $this_theme) {
        if (is_array($this_theme) && $this_theme['Stylesheet'] == $api->slug) {
            if ($this_theme['Version'] == $api->version) {
                $type = 'latest_installed';
            } elseif ($this_theme['Version'] > $api->version) {
                $type = 'newer_installed';
                $newer_version = $this_theme['Version'];
            }
            break;
        }
    }
    ?>

<div class='available-theme'>
<img src='<?php 
    echo esc_url($api->screenshot_url);
    ?>
' width='300' class="theme-preview-img" />
<h3><?php 
    echo $api->name;
    ?>
</h3>
<p><?php 
    printf(__('by %s'), $api->author);
    ?>
</p>
<p><?php 
    printf(__('Version: %s'), $api->version);
    ?>
</p>

<?php 
    $buttons = '<a class="button" id="cancel" href="#" onclick="tb_close();return false;">' . __('Cancel') . '</a> ';
    switch ($type) {
        default:
        case 'install':
            if (current_user_can('install_themes')) {
                $buttons .= '<a class="button-primary" id="install" href="' . nxt_nonce_url(self_admin_url('update.php?action=install-theme&theme=' . $api->slug), 'install-theme_' . $api->slug) . '" target="_parent">' . __('Install Now') . '</a>';
            }
            break;
        case 'update_available':
            if (current_user_can('update_themes')) {
                $buttons .= '<a class="button-primary" id="install"	href="' . nxt_nonce_url(self_admin_url('update.php?action=upgrade-theme&theme=' . $update_file), 'upgrade-theme_' . $update_file) . '" target="_parent">' . __('Install Update Now') . '</a>';
            }
            break;
        case 'newer_installed':
            if (current_user_can('install_themes') || current_user_can('update_themes')) {
                ?>
<p><?php 
                printf(__('Newer version (%s) is installed.'), $newer_version);
                ?>
//.........这里部分代码省略.........

/**
 * Edit user settings based on contents of $_POST
 *
 * Used on user-edit.php and profile.php to manage and process user options, passwords etc.
 *
 * @since 2.0
 *
 * @param int $user_id Optional. User ID.
 * @return int user id of the updated user
 */
function edit_user($user_id = 0)
{
    global $nxt_roles, $nxtdb;
    $user = new stdClass();
    if ($user_id) {
        $update = true;
        $user->ID = (int) $user_id;
        $userdata = get_userdata($user_id);
        $user->user_login = $nxtdb->escape($userdata->user_login);
    } else {
        $update = false;
    }
    if (!$update && isset($_POST['user_login'])) {
        $user->user_login = sanitize_user($_POST['user_login'], true);
    }
    $pass1 = $pass2 = '';
    if (isset($_POST['pass1'])) {
        $pass1 = $_POST['pass1'];
    }
    if (isset($_POST['pass2'])) {
        $pass2 = $_POST['pass2'];
    }
    if (isset($_POST['role']) && current_user_can('edit_users')) {
        $new_role = sanitize_text_field($_POST['role']);
        $potential_role = isset($nxt_roles->role_objects[$new_role]) ? $nxt_roles->role_objects[$new_role] : false;
        // Don't let anyone with 'edit_users' (admins) edit their own role to something without it.
        // Multisite super admins can freely edit their blog roles -- they possess all caps.
        if (is_multisite() && current_user_can('manage_sites') || $user_id != get_current_user_id() || $potential_role && $potential_role->has_cap('edit_users')) {
            $user->role = $new_role;
        }
        // If the new role isn't editable by the logged-in user die with error
        $editable_roles = get_editable_roles();
        if (!empty($new_role) && empty($editable_roles[$new_role])) {
            nxt_die(__('You can’t give users that role.'));
        }
    }
    if (isset($_POST['email'])) {
        $user->user_email = sanitize_text_field($_POST['email']);
    }
    if (isset($_POST['url'])) {
        if (empty($_POST['url']) || $_POST['url'] == 'http://') {
            $user->user_url = '';
        } else {
            $user->user_url = esc_url_raw($_POST['url']);
            $user->user_url = preg_match('/^(https?|ftps?|mailto|news|irc|gopher|nntp|feed|telnet):/is', $user->user_url) ? $user->user_url : 'http://' . $user->user_url;
        }
    }
    if (isset($_POST['first_name'])) {
        $user->first_name = sanitize_text_field($_POST['first_name']);
    }
    if (isset($_POST['last_name'])) {
        $user->last_name = sanitize_text_field($_POST['last_name']);
    }
    if (isset($_POST['nickname'])) {
        $user->nickname = sanitize_text_field($_POST['nickname']);
    }
    if (isset($_POST['display_name'])) {
        $user->display_name = sanitize_text_field($_POST['display_name']);
    }
    if (isset($_POST['description'])) {
        $user->description = trim($_POST['description']);
    }
    foreach (_nxt_get_user_contactmethods($user) as $method => $name) {
        if (isset($_POST[$method])) {
            $user->{$method} = sanitize_text_field($_POST[$method]);
        }
    }
    if ($update) {
        $user->rich_editing = isset($_POST['rich_editing']) && 'false' == $_POST['rich_editing'] ? 'false' : 'true';
        $user->admin_color = isset($_POST['admin_color']) ? sanitize_text_field($_POST['admin_color']) : 'fresh';
        $user->show_admin_bar_front = isset($_POST['admin_bar_front']) ? 'true' : 'false';
    }
    $user->comment_shortcuts = isset($_POST['comment_shortcuts']) && 'true' == $_POST['comment_shortcuts'] ? 'true' : '';
    $user->use_ssl = 0;
    if (!empty($_POST['use_ssl'])) {
        $user->use_ssl = 1;
    }
    $errors = new nxt_Error();
    /* checking that username has been typed */
    if ($user->user_login == '') {
        $errors->add('user_login', __('<strong>ERROR</strong>: Please enter a username.'));
    }
    /* checking the password has been typed twice */
    do_action_ref_array('check_passwords', array($user->user_login, &$pass1, &$pass2));
    if ($update) {
        if (empty($pass1) && !empty($pass2)) {
            $errors->add('pass', __('<strong>ERROR</strong>: You entered your new password only once.'), array('form-field' => 'pass1'));
        } elseif (!empty($pass1) && empty($pass2)) {
            $errors->add('pass', __('<strong>ERROR</strong>: You entered your new password only once.'), array('form-field' => 'pass2'));
        }
//.........这里部分代码省略.........

get_current_screen()->add_help_tab(array('id' => 'overview', 'title' => __('Overview'), 'content' => '<p>' . __('You can use the Theme Editor to edit the individual CSS and PHP files which make up your theme.') . '</p>
	<p>' . __('Begin by choosing a theme to edit from the dropdown menu and clicking Select. A list then appears of all the template files. Clicking once on any file name causes the file to appear in the large Editor box.') . '</p>
	<p>' . __('For PHP files, you can use the Documentation dropdown to select from functions recognized in that file. Lookup takes you to a web page with reference material about that particular function.') . '</p>
	<p>' . __('After typing in your edits, click Update File.') . '</p>
	<p>' . __('<strong>Advice:</strong> think very carefully about your site crashing if you are live-editing the theme currently in use.') . '</p>
	<p>' . __('Upgrading to a newer version of the same theme will override changes made here. To avoid this, consider creating a <a href="http://codex.nxtclass.org/Child_Themes" target="_blank">child theme</a> instead.') . '</p>' . (is_network_admin() ? '<p>' . __('Any edits to files from this screen will be reflected on all sites in the network.') . '</p>' : '')));
get_current_screen()->set_help_sidebar('<p><strong>' . __('For more information:') . '</strong></p>' . '<p>' . __('<a href="http://codex.nxtclass.org/Theme_Development" target="_blank">Documentation on Theme Development</a>') . '</p>' . '<p>' . __('<a href="http://codex.nxtclass.org/Using_Themes" target="_blank">Documentation on Using Themes</a>') . '</p>' . '<p>' . __('<a href="http://codex.nxtclass.org/Editing_Files" target="_blank">Documentation on Editing Files</a>') . '</p>' . '<p>' . __('<a href="http://codex.nxtclass.org/Template_Tags" target="_blank">Documentation on Template Tags</a>') . '</p>' . '<p>' . __('<a href="http://nxtclass.org/support/" target="_blank">Support Forums</a>') . '</p>');
nxt_reset_vars(array('action', 'redirect', 'profile', 'error', 'warning', 'a', 'file', 'theme', 'dir'));
$themes = get_themes();
if (empty($theme)) {
    $theme = get_current_theme();
} else {
    $theme = stripslashes($theme);
}
if (!isset($themes[$theme])) {
    nxt_die(__('The requested theme does not exist.'));
}
$allowed_files = array_merge($themes[$theme]['Stylesheet Files'], $themes[$theme]['Template Files']);
if (empty($file)) {
    if (false !== array_search($themes[$theme]['Stylesheet Dir'] . '/style.css', $allowed_files)) {
        $file = $themes[$theme]['Stylesheet Dir'] . '/style.css';
    } else {
        $file = $allowed_files[0];
    }
} else {
    $file = stripslashes($file);
    if ('theme' == $dir) {
        $file = dirname(dirname($themes[$theme]['Template Dir'])) . $file;
    } else {
        if ('style' == $dir) {
            $file = dirname(dirname($themes[$theme]['Stylesheet Dir'])) . $file;