PHP is_ajax_request函数代码示例

 function index()
 {
     include ROOT . "/library/browser/Browser.php";
     $browser = new Browser();
     if ($browser->getBrowser() == Browser::BROWSER_IE && $browser->getVersion() < 7) {
         flash_error(lang("ie browser outdated"));
     }
     if (is_ajax_request()) {
         $timezone = array_var($_GET, 'utz');
         if ($timezone && $timezone != '') {
             $usu = logged_user();
             if ($usu instanceof Contact && $usu->isUser() && !$usu->getDisabled()) {
                 $usu->setTimezone($timezone);
                 $usu->save();
             }
         }
         $this->redirectTo('dashboard', 'main_dashboard');
     } else {
         if (!(logged_user() instanceof Contact && logged_user()->isUser())) {
             $this->redirectTo('access', 'login');
         }
         $this->setLayout("website");
         $this->setTemplate(get_template_path("empty"));
     }
 }

<?php

include 'include/function.php';
include 'include/config.php';
include 'include/db.php';
if (!is_logged() or !isset($_GET['id'])) {
    header("location: {$config['base_url']}");
    exit;
}
$db = new DB();
if (isset($_POST['update'])) {
    $id = $db->escape_string($_POST['id']);
    $title = $db->escape_string($_POST['title']);
    $artist = $db->escape_string($_POST['artist']);
    $url = $db->escape_string($_POST['url']);
    $db->query("UPDATE songs SET title='{$title}', artist='{$artist}', path='{$url}' WHERE id={$id}");
    header('Location: ' . $config['base_url'] . 'dashboard?msg=update_success');
    exit;
}
$db = new DB();
$row = $db->query("SELECT * FROM songs WHERE id={$_GET['id']}");
$row = $row->fetch_array();
$title = 'Update ' . $row['title'];
if (!is_ajax_request()) {
    include './views/header.php';
}
include './views/update.php';
if (!is_ajax_request()) {
    include './views/footer.php';
}
$db->close();

function info_page($info, $title = '系统消息')
{
    if (is_ajax_request()) {
        $layout = 'ajax';
    } else {
        $layout = 'web';
    }
    $data['top_title'] = $data['title'] = $title;
    $data['info'] = $info;
    render($data, $layout, 'info');
}

 function render($view)
 {
     $viewFile = DUP_VIEWS_DIR . "/" . $view . ".php";
     if (file_exists($viewFile)) {
         if (!empty($this->layout) && !is_ajax_request()) {
             ob_start();
             include $viewFile;
             $content_for_page = ob_get_contents();
             ob_end_clean();
             $layoutFile = DUP_VIEWS_DIR . "/layouts/" . $this->layout . ".php";
             include $layoutFile;
         } else {
             include $viewFile;
         }
     }
 }

 function output()
 {
     global $lang;
     if ($_SERVER['REQUEST_METHOD'] == 'POST' && method_exists($this, 'output_onpost_' . $_POST['form_name'])) {
         return call_user_func(array($this, 'output_onpost_' . $_POST['form_name']));
     }
     $this->tpl['lang'] = $lang;
     $this->tpl['link_restore_password'] = make_ref('/users', array("action" => "restore"));
     $this->tpl['form_submit_url'] = make_ref('/users/loginform');
     $output = template($this->tpl, __FILE__);
     if (is_ajax_request()) {
         print $output;
         exit;
     } else {
         return $output;
     }
 }

 public function render($data = NULL, $layout = NULL, $sharp = 'default')
 {
     if ($layout == null) {
         if (is_ajax_request()) {
             $layout = 'ajax';
         } elseif (is_mobile_request()) {
             //$layout = 'mobile';
             $layout = 'web';
         } else {
             $layout = 'web';
         }
     }
     $layout_file = AROOT . 'view/layout/' . $layout . '/' . $sharp . '.tpl.html';
     if (file_exists($layout_file)) {
         @extract($data);
         require $layout_file;
     }
 }

//Define the OS file path separator
define('DS', DIRECTORY_SEPARATOR);
//Define the base file system path to MicroMVC
define('SYSTEM_PATH', realpath(dirname(__FILE__)) . DS);
//Define the base file system path to libraries
define('LIBRARY_PATH', SYSTEM_PATH . 'libraries' . DS);
//Define the base file system path to functions
define('FUNCTION_PATH', SYSTEM_PATH . 'functions' . DS);
//Define the base file system path to modules
define('MODULE_PATH', SYSTEM_PATH . 'modules' . DS);
//Define the base file system path to logs
define('LOG_PATH', SYSTEM_PATH . 'logs' . DS);
//Include the common file to continue loading
require_once FUNCTION_PATH . 'common.php';
//Discover whether this is an AJAX request or not
define('AJAX_REQUEST', is_ajax_request());
//Discover the current domain for the whole script
define('DOMAIN', current_domain());
//Define the file system path to the current site
define('SITE_PATH', SYSTEM_PATH . DOMAIN . DS);
//The file system path of the site's cache folder
define('CACHE_PATH', SITE_PATH . 'cache' . DS);
//The file system path of the site's config folder
define('CONFIG_PATH', SITE_PATH . 'config' . DS);
//The file system path of the site's models folder
define('MODEL_PATH', SITE_PATH . 'models' . DS);
//The file system path of the site's uploads folder
define('UPLOAD_PATH', SITE_PATH . 'uploads' . DS);
//The file system path of the site's views folder
define('VIEW_PATH', SITE_PATH . 'views' . DS);
//Override the PHP error handler

<?php

session_start();
define('DS', DIRECTORY_SEPARATOR);
define('PATH', dirname(__FILE__) . DS);
define('DOC_ROOT', str_replace(DS, '/', realpath($_SERVER['DOCUMENT_ROOT'])));
header("Content-type:text/html; charset=utf-8");
mb_internal_encoding('UTF-8');
date_default_timezone_set('UTC');
$default_lang = 'uk';
if (isset($_REQUEST['lang'])) {
    $_SESSION['install']['lang'] = $_REQUEST['lang'];
    header('Location: ' . $_SERVER['SCRIPT_NAME']);
}
$is_lang_selected = isset($_SESSION['install']['lang']);
$lang = $is_lang_selected ? $_SESSION['install']['lang'] : $default_lang;
define('LANG', $lang);
include PATH . "functions.php";
include PATH . DS . 'languages' . DS . LANG . DS . "language.php";
$steps = array(array('id' => 'start', 'title' => LANG_STEP_START), array('id' => 'license', 'title' => LANG_STEP_LICENSE), array('id' => 'php', 'title' => LANG_STEP_PHP_CHECK), array('id' => 'paths', 'title' => LANG_STEP_PATHS), array('id' => 'database', 'title' => LANG_STEP_DATABASE), array('id' => 'site', 'title' => LANG_STEP_SITE), array('id' => 'admin', 'title' => LANG_STEP_ADMIN), array('id' => 'config', 'title' => LANG_STEP_CONFIG), array('id' => 'cron', 'title' => LANG_STEP_CRON), array('id' => 'finish', 'title' => LANG_STEP_FINISH));
$current_step = 0;
if (is_ajax_request()) {
    $step = $steps[(int) $_POST['step']];
    $is_submit = isset($_POST['submit']);
    echo json_encode(run_step($step, $is_submit));
    exit;
}
$step_result = run_step($steps[$current_step], false);
echo render('main', array('steps' => $steps, 'is_lang_selected' => $is_lang_selected, 'lang' => LANG, 'current_step' => $current_step, 'step_html' => $step_result['html']));

function execute_questions()
{
    $game = R::load('game', $_SESSION['quiz_id']);
    if (quiz_has_expired($game)) {
        finish_game($game);
        redirect('result');
    }
    if (($question_id = find_first_unanswered_question(unserialize($game->answers))) == null) {
        redirect('result');
    }
    $question = R::load('question', $question_id);
    $answers = R::find('answer', 'question_id = ? ORDER BY RAND()', array($question_id));
    $seconds_left = strtotime($game->started_at) - time() + QUIZ_TIMELIMIT;
    ob_start();
    if (is_ajax_request()) {
        include_once dirname(__FILE__) . '/views/_question.php';
    } else {
        include_once dirname(__FILE__) . '/views/test-middle.php';
    }
    $content = ob_get_clean();
    echo $content;
}

 /**
  * @return Model       $this
  * @throws Exception
  */
 public function makeProperties()
 {
     if ($this->getStoredAql()) {
         $this->makeAqlArray();
         $i = 0;
         foreach ($this->getStoredAqlArray() as $table) {
             if ($i == 0) {
                 $this->_primary_table = $table['table'];
                 $this->addProperty($this->_primary_table . '_id');
             }
             $this->tableMakeProperties($table);
             $i++;
         }
     } else {
         $e = sprintf(self::E_INVALID_MODEL, $this->_model_name);
         if (!is_ajax_request()) {
             throw new Exception($e);
             return $this;
         } else {
             exit_json(array('status' => 'Error', 'errors' => array($e)));
         }
     }
     return $this;
 }

 /**
  * Create the page object and set if this is an ajax request
  * Optionally set other properties
  * @param  array   $config
  */
 public function __construct(array $config = array())
 {
     $this->is_ajax_request = \is_ajax_request();
     $this->uri = $_SERVER['REQUEST_URI'];
     foreach ($config as $k => $v) {
         $this->{$k} = $v;
     }
 }

/**
 * Redirect to referer
 *
 * @access public
 * @param string $alternative Alternative URL is used if referer is not valid URL
 * @return null
 */
function redirect_to_referer($alternative = nulls)
{
    $referer = get_referer();
    if (true || !is_valid_url($referer)) {
        if (is_ajax_request()) {
            $alternative = make_ajax_url($alternative);
        }
        redirect_to($alternative);
    } else {
        if (is_ajax_request()) {
            $referer = make_ajax_url($referer);
        }
        redirect_to($referer);
    }
    // if
}

<?php

function is_ajax_request()
{
    return isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] === 'BAWXMLHttpRequest';
}
$ajax = is_ajax_request();
if (!$ajax) {
    ?>
<html>
<head>
	<style>
		img {
			display: block;
			max-width: 100%;
			height: auto;
			background-size: cover;
			backface-visibility: hidden;
		}

		section {
			width: 50%;
		}

		main {
			display: flex;
			opacity: 1;
			transition: opacity 0.5s ease-out;
		}
		main.loading {
			opacity: 0;

function smart_box($info)
{
    if (is_json_request()) {
        $array = array();
        $array['error_code'] = intval(20001);
        $array['error_message'] = $info;
        return ajax_echo(json_encode($array));
    } elseif (is_ajax_request()) {
        return ajax_echo($info);
    } else {
        return info_page($info);
    }
}

 public function initFolder($refresh = false)
 {
     $path = is_object($this->folder) ? $this->folder->folders_path : $this->folder;
     $e = $refresh || is_ajax_request() ? array('refresh_memcached' => true) : null;
     return $this->folder = vf::getFolder($path, array('limit' => $this->limit), $e);
 }