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index.php
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index.php
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<?php
define('MOEPRESS_VERSION', '1.1.4');
/**
* MoePress Mini
*
* A multi-level controller PHP framework
*
* @version 1.1.4
* @update 2017-09-19
* @since 2013-10-06
* @author Maiz
* @documentation https://maizify.com/work/moepress-mini
*
*/
class MoePress
{
static public $MP = NULL; // MoePress Instance
static public $config = array(); // global config (via config.php)
protected $base_path = '';
protected $model_path = '';
protected $view_path = '';
protected $library_path = '';
private $ob_level = null; // to be used when load views
private $loaded_files = array( // to ensure files not being loaded twice
'model' => array(),
'library' => array()
);
public $site_url = ''; // current site's URL
public $current_url = ''; // current URL
public $data = array(); // variables used in views
protected $argc = array(); // the limitation of the number of controller's arguments
/**
* Init Controller
* DO NOT call this method more than ONCE.
*
* @version 2014-10-12
*/
public function __init()
{
// init file path
$this->base_path = rtrim(getcwd(), '/') . '/';
$this->model_path = $this->base_path . 'model/';
$this->view_path = $this->base_path . 'view/';
$this->library_path = $this->base_path . 'library/';
// URLs
$s = empty($_SERVER['HTTPS']) ? '' : ($_SERVER['HTTPS'] == 'n') ? 's' : '';
$sp = strtolower($_SERVER['SERVER_PROTOCOL']);
$protocol = substr($sp, 0, strpos($sp, '/')) . $s;
$port = ':' . $_SERVER['SERVER_PORT'];
if ($port==':80' or $port==':443') { $port = ''; }
$url = $protocol . '://' . $_SERVER['HTTP_HOST'] . $port . '/';
$this->site_url = $url;
if (isset(MoePress::$config['base_uri']) and MoePress::$config['base_uri']) {
$this->site_url .= trim(MoePress::$config['base_uri'], '/') . '/';
}
$this->current_url = $url . ltrim($_SERVER['REQUEST_URI'], '/');
}
/**
* Load view
*
* @version 2013-10-06
* @usage
* // simply load a view
* $this->view('home_view.php');
*
* // pass specified variable(s) to the view
* $this->view('home_view.php', array('home_name'=>'My Home'));
*
* // or you can set variable(s) in $this->data, the following two lines is equal to the above one
* $this->data['home_name'] = 'My Home';
* $this->view('home_view.php');
*
* // get the view as a string(rather then output to browser right away) so that you can edit it later
* $view_html_string = $this->view('home_view.php', array(), true);
*
* @param string $file the file path
* @param array $data the variables used in view. Array key is the variable's name.
* @param boolean $return whether output the view to browser directly or return it as a string variable
* @return object|string if $return==false, then return $this, otherwise return view string
*/
public function view($file = '', $data = array(), $return = false)
{
if ($data) {
$data = (is_object($data)) ? get_object_vars($data) : $data;
$this->data = array_merge($this->data, $data);
}
extract($this->data);
if ($this->ob_level === null) {
$this->ob_level = ob_get_level();
}
ob_start();
if (file_exists($this->view_path.$file)) {
include($this->view_path.$file);
} else {
throw new Exception('View file "'.$file.'" does not exist.');
}
if ($return == true) {
$buffer = ob_get_contents();
@ob_end_clean();
return $buffer;
}
if (ob_get_level() > $this->ob_level + 1) {
ob_end_flush();
}
return $this;
}
/**
* Load model
*
* @version 2013-10-06
* @usage
* // load single model
* $this->model('user_model.php');
*
* // load multiple models
* $this->model(array('user_model.php', 'home_model.php'));
*
* @param string|array $files the file path(s) of model, multiple files are supported
* @return object $this
*/
public function model($files = array())
{
$this->load('model', $files);
return $this;
}
/**
* Load library
*
* @version 2013-10-06
* @usage see method model()
*
* @param string|array $files the file path(s) of library, multiple files are supported
* @return object $this
*/
public function library($files = array())
{
$this->load('library', $files);
return $this;
}
/**
* Load file (model / library)
*
* @version 2013-10-06
*
* @param string $type choose "model" or "library"
* @param string $files the file path(s), multiple files are supported
*/
private function load($type = '', $files = array())
{
switch ($type) {
case 'model':
$path = $this->model_path;
break;
case 'library':
$path = $this->library_path;
break;
default:
throw new Exception('Unknow type "'.$type.'" while loading files.');
break;
}
if (is_string($files)) {
$files = array($files);
}
foreach ($files as $file) {
if (isset($this->loaded_files[$type][$file]) and $this->loaded_files[$type][$file] == true) {
// this file has been loaded, so we do nothing here
} else if (file_exists($path.$file)) {
require_once($path.$file);
$this->loaded_files[$type][$file] = true;
} else {
throw new Exception(ucwords($type).' file "'.$file.'" does not exist.');
}
}
}
/**
* Helper function: Get site URL
*
* @version 2013-10-06
*
* @return string
*/
public function site_url($uri = '')
{
return $this->site_url . ($uri ? trim($uri, '/') : '');
}
/**
* Helper function: Get current URL
*
* @version 2013-10-09
*
* @return string
*/
public function current_url()
{
return $this->current_url;
}
/**
* Helper function: Redirect to other URL
*
* @version 2013-10-06
*
* @param string $url
* @param int $code http response code
*/
public function redirect($url = '', $code = 302)
{
if (!preg_match('/^http/', $url)) {
$url = $this->site_url($url);
}
header("Location: ".$url, true, $code);
exit;
}
/**
* Run MoePress
*
* @version 2014-09-06
*/
static public function run()
{
$base_path = rtrim(getcwd(), '/') . '/';
$config_file = $base_path.'config.php';
$controller_path = $base_path.'controller/';
// if the config file exists, then load it.
// note that this config file 'config.php' is not requisite
$_CONFIG = array();
if (file_exists($config_file)) {
require_once($config_file);
}
MoePress::$config = $_CONFIG;
// if $_CONFIG exists in config.php, then do something according to the configurations
if ($_CONFIG) {
// auto load files before running controller
if (is_array($_CONFIG['auto_load']) and count($_CONFIG['auto_load'])>0) {
foreach ($_CONFIG['auto_load'] as $file) {
if (!file_exists($base_path.$file)) {
throw new Exception('The auto-loaded file "'.$file.'" does not exists.');
}
require_once($base_path.$file);
}
}
}
// get the requrest URI for routing
$request_uri = preg_replace('/\?(.*)/', '', $_SERVER['REQUEST_URI']);
// if a base URI is setted, then remove the base URI from the requrest URI
if (isset($_CONFIG['base_uri']) and $_CONFIG['base_uri']) {
$request_uri = str_replace(trim($_CONFIG['base_uri'], '/'), '', $request_uri);
}
$request_uri = trim($request_uri, '/');
// routing
// note that the $request_uri can be matched and changed more than onece
if (isset($_CONFIG['routes']) and is_array($_CONFIG['routes']) and count($_CONFIG['routes']) > 0) {
foreach ($_CONFIG['routes'] as $pattern => $subject) {
if (preg_match($pattern, $request_uri)) {
$request_uri = preg_replace($pattern, $subject, $request_uri);
}
}
}
// find controller
$uris = explode('/', $request_uri);
$controller_args = array();
$controller_file = $controller_path.'main.php';
while (count($uris) > 0) {
$file = $controller_path.implode('/', $uris).'/main.php';
if (file_exists($file)) {
$controller_file = $file;
break;
} else {
// if the URI is not a controller, then use it as controller method & arguments
array_unshift($controller_args, array_pop($uris));
}
}
// load controller
if (!file_exists($controller_file)) {
throw new Exception('Controller "'.$controller_file.'" does not exist.');
}
require_once($controller_file);
// instantiate controller object
if (!class_exists('Controller')) {
throw new Exception('Controller class does not exist in file "'.$controller_file.'".');
}
$MP = new Controller();
$MP->__init();
MoePress::$MP = $MP;
// find controller method
$method = '__index';
// if the name of first args value exists in controller, use it as default method
if ($controller_args and method_exists($MP, $controller_args[0])) {
$method = array_shift($controller_args);
}
if (!method_exists($MP, $method)) {
throw new Exception('Controller method "'.$method.'" does not exist.');
}
// check the number of controller arguments
if (isset($MP->argc[$method])) {
$limit = $MP->argc[$method];
// the limitation should be [min_num, max_num]
if (is_numeric($limit)) {
$limit = array($limit, $limit);
}
if (!is_array($limit)) {
throw new Exception('The limitation of controller arguments is incorrect.');
}
$count = count($controller_args);
if ( !($count >= $limit[0] and $count <= $limit[1]) ) {
throw new Exception('The number of controller\'s arguments is incorrect.');
}
}
// pass the args to the controller method, and run it
call_user_func_array(array($MP, $method), $controller_args);
// finished.
}
} // END class MoePress
/**
* Dump formatted variable for debugging
*
* @version 2013-03-16
*
* @param mixed $value
*/
function v($value)
{
echo '<pre>';
if (func_num_args()==0) {
echo 'NULL';
} else {
if ($value) {
print_r($value);
} else {
if (is_bool($value)) {
echo 'false';
} else if (is_numeric($value)) {
echo '0';
} else if (is_array($value)) {
echo "Array\n(\n)";
} else if (is_string($value)) {
echo '""';
} else if (is_null($value)) {
echo 'null';
} else {
print_r($value);
}
}
}
echo '</pre>';
}
// here we go
try {
MoePress::run();
} catch (Exception $e) {
if (isset(MoePress::$config['debug']) and MoePress::$config['debug'] != false) {
$traces = $e->getTrace();
echo '<h1>Exception</h1>';
echo '<div>'.$e->getMessage().'</div>';
foreach ($traces as $trace) {
echo '<ul>';
echo '<li>File: '.$trace['file'].'</li>';
echo '<li>Line: '.$trace['line'].'</li>';
echo '<li>In function "'.$trace['function'].'" of class "'.$trace['class'].'"</li>';
echo '</ul>';
}
} else {
echo '<h1>Exception</h1>';
echo '<div>Try to contact the webmaster.</div>';
}
}
/* END file of Moepress-Mini */