402 lines
8.0 KiB
PHP
402 lines
8.0 KiB
PHP
<?php
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/**
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* MiniMVC
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*
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* Convention-based micro-framework for PHP
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*
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* @package miniMVC
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* @author Timothy J. Warren
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* @copyright Copyright (c) 2011 - 2012
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* @link https://github.com/timw4mail/miniMVC
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* @license http://philsturgeon.co.uk/code/dbad-license
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*/
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// --------------------------------------------------------------------------
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/**
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* File including common framework-wide functions
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*
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* @package miniMVC
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* @subpackage System
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*/
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// --------------------------------------------------------------------------
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/**
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* Function to run on script shutdown
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* -used to catch most fatal errors, and
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* display them cleanly
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*
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* @return void
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*/
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function shutdown()
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{
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// Catch the last error
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$error = error_get_last();
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// types of errors that are fatal
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$fatal = array(E_ERROR, E_PARSE, E_RECOVERABLE_ERROR);
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// Display pretty error page
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if(in_array($error['type'], $fatal))
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{
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$file = str_replace(MM_BASE_PATH, "", $error['file']);
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$err_msg = <<<TXT
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<h2>Fatal Error: </h2>
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{$error['message']}<br /><br />
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<strong>File:</strong> {$file}<br /><br />
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<strong>Line:</strong> {$error['line']}
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TXT;
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show_error($err_msg);
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}
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}
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// --------------------------------------------------------------------------
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/**
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* Function to search through the tree to find the necessary file
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*
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* @param string $file
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* @param string $curr_path
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* @return void
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*/
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function load_file($file, $curr_path="")
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{
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$path = "";
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if($curr_path === "app")
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{
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$path = MM_APP_PATH."{$file}.php";
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}
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else if($curr_path === "sys")
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{
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$path = MM_SYS_PATH."{$file}.php";
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}
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else
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{
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$path = MM_MOD_PATH."{$curr_path}/{$file}.php";
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}
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if(is_file($path))
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{
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require_once($path);
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}
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}
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// --------------------------------------------------------------------------
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/**
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* Custom error handler
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*
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* @param int $severity
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* @param string $message
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* @param string $filepath
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* @param int $line
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* @return ErrorException
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*/
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function on_error($severity, $message, $filepath, $line)
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{
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throw new ErrorException($message, 0, $severity, $filepath, $line);
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}
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// --------------------------------------------------------------------------
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/**
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* Custom exception handlererror_get_last
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*
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* @param Exception $exception
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* @return void
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*/
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function on_exception($exception)
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{
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$message = $exception->getMessage();
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// Contain the content for buffering
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ob_start();
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include(MM_APP_PATH.'/errors/error_php_exception.php');
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$buffer = ob_get_contents();
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ob_end_clean();
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echo $buffer;
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}
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// --------------------------------------------------------------------------
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/**
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* Utility function to check if a variable is set, and is an array or object
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*
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* @param mixed $var
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* @return bool
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*/
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function is_like_array(&$var)
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{
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if( ! isset($var))
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{
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return FALSE;
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}
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return (is_array($var) OR is_object($var)) && ( ! empty($var));
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}
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// --------------------------------------------------------------------------
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/**
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* General 404 function
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*
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* @return void
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*/
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function show_404()
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{
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@header('HTTP/1.1 404 Not Found', TRUE, 404);
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// Contain the content for buffering
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ob_start();
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$message = '404 Not Found';
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include(MM_APP_PATH.'/errors/error_404.php');
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$buffer = ob_get_contents();
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ob_end_clean();
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die($buffer);
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}
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// --------------------------------------------------------------------------
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/**
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* Fatal Error page function
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*
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* @param string $message
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* @param int $status_code
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*/
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function show_error($message, $status_code=null)
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{
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if( ! is_null($status_code))
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{
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@header("HTTP/1.1 {$status_code}", TRUE, (int)$status_code);
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}
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// Contain the content for buffering
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ob_start();
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include(MM_APP_PATH.'/errors/error_general.php');
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$buffer = ob_get_contents();
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ob_end_clean();
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die($buffer);
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}
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// --------------------------------------------------------------------------
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/**
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* Returns routable methods for the specified controller class
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*
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* @param string $controller
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* @return array
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*/
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function controller_methods($controller)
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{
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$methods = get_class_methods($controller);
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// Eliminate methods from Controller and Model classes
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$skip_methods = array_merge(get_class_methods('MM_Controller'), get_class_methods('MM_Model'));
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$methods = array_diff($methods, $skip_methods);
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return $methods;
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}
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// --------------------------------------------------------------------------
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/**
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* Calls the appropriate module/controller/function based on the url
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*
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* @return void
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*/
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function route()
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{
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$sn = $_SERVER['SCRIPT_NAME'];
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$ru = $_SERVER['REQUEST_URI'];
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// Get the equivalent to path info
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$pi = (isset($_SERVER['PATH_INFO']))
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? str_replace($sn, '', $ru)
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: '/';
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// Make sure the home page works when in a sub_directory
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if (strlen($sn) > strlen($ru))
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{
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$pi = '/';
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}
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// Load the routes config file
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$routes = require_once(MM_APP_PATH.'config/routes.php');
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// Set the default route
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$module = $routes['default_module'];
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$controller = $routes['default_controller'];
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$func = "index";
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$route_set = FALSE;
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// If it isn't the index page
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if( ! empty($pi) && $pi !== "/")
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{
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//Remove trailing slash and begining slash
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$pi = trim($pi, '/');
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// URL matches the route exactly? Cool, that was easy
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if(isset($routes[$pi]))
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{
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list($module, $controller, $func) = explode("/", $routes[$pi]);
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$route_set = TRUE;
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}
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else
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{
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$custom_routes = $routes;
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// Skip required routes
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unset($custom_routes['default_module']);
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unset($custom_routes['default_controller']);
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unset($custom_routes['404_handler']);
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foreach($custom_routes as $uri => $map)
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{
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if(preg_match("`{$uri}`i", $pi))
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{
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list($module, $controller, $func) = explode("/", $map);
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$route_set = TRUE;
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break;
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}
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}
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}
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// Doesn't match a predefined route?
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// Match on module/controller/method, controller/method, or method
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if( ! $route_set)
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{
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$num_segments = 0;
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if(strpos($pi, '/') === FALSE && ! empty($pi))
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{
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$num_segments = 1;
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}
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else
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{
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$segments = explode('/', $pi);
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$num_segments = count($segments);
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}
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if($num_segments === 1)
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{
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$func = $pi;
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}
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if($num_segments === 2)
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{
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list($controller, $func) = $segments;
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}
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if($num_segments >= 3)
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{
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list($module, $controller, $func) = $segments;
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}
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}
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}
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$path = MM_MOD_PATH."{$module}/controllers/{$controller}.php";
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if(is_file($path))
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{
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require_once($path);
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// Get the list of valid methods for that controller
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$methods = controller_methods($controller);
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if(in_array($func, $methods))
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{
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$class = new $controller;
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$class->module = $module;
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return call_user_func(array($class, $func));
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}
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// Function doesn't exist...404
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show_404();
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die();
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}
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// If it gets here, it's still a 404
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show_404();
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}
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// --------------------------------------------------------------------------
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/**
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* Returns a full url from a url segment
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*
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* @param string $segment
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* @return string
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*/
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function site_url($segment)
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{
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return $url = BASEURL . URL_INDEX_FILE . $segment;
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}
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// --------------------------------------------------------------------------
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/**
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* Prints out the contents of the object
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*
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* @param object/array $data
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* @param string $method
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* @return string
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*/
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function to_string($data, $method='print_r')
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{
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$output = '<pre>';
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if($method == "var_dump")
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{
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ob_start();
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var_dump($data);
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$output .= ob_get_contents();
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ob_end_clean();
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}
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else if($method == "var_export")
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{
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ob_start();
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var_export($data);
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$output .= ob_get_contents();
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ob_end_clean();
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}
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else
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{
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$output .= print_r($data, TRUE);
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}
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return $output . '</pre>';
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}
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// --------------------------------------------------------------------------
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/**
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* Array_map callback to load a folder of classes at once
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*
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* @param string $path
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* @return void
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*/
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function do_include($path)
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{
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require_once($path);
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}
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// Load Database classes
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require_once(MM_SYS_PATH.'Query/autoload.php');
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// Load system libraries
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require_once(MM_SYS_PATH.'miniMVC.php');
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array_map('do_include', glob(MM_SYS_PATH.'*.php'));
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// End of common.php
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