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<?php |
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function load_file($file, $extension, $base_dir, $classification, $parameters = null) |
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{ |
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if (isset($parameters) && is_array($parameters)) { |
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extract($parameters); |
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} |
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if (file_exists($base_dir . $file . $extension)) { |
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require $base_dir . $file . $extension; |
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} else { |
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throw (new Exception("$classification <b>$file</b> no existe!")); |
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} |
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} |
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function load_lib($lib) |
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{ |
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load_file($lib, ".php", PIN_PATH . 'libs' . DS, "Librería"); |
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} |
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function load_config($config) |
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{ |
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load_file($config, ".php", PIN_PATH . 'config' . DS, "Configuración"); |
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} |
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function load_helper($helper) |
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{ |
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load_file($helper, ".php", PIN_PATH . 'helpers' . DS, "Helper"); |
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} |
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function load_view($view, array $parameters = null) |
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{ |
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load_file($view, ".phtml", PIN_PATH . 'views' . DS, "Vista", $parameters); |
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} |
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function load_partial($partial, array $parameters = null) |
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{ |
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load_file($partial, ".phtml", PIN_PATH . 'partials'. DS , "Parcial", $parameters); |
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} |
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function redirect_to($url) |
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{ |
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$url = PUBLIC_PATH . $url; |
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header("Location: $url", true, 301); |
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} |
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//implementar autoloader para clases |
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//espera que las clases se definan en PascalCase y los archivos |
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//usen snake_case. Ejemplo class QueryBuilder, archivo query_builder.php |
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spl_autoload_register(function($className){ |
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$file_name = strtolower(preg_replace('/(?<!^)[A-Z]/', '_$0', $className)); |
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$file = PIN_PATH . 'libs' . DS . $file_name . '.php'; |
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if (file_exists($file)) { |
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require_once $file; |
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return; |
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} else { |
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throw new Exception("$className no existe en $file", 1); |
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} |
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}); |
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set_error_handler('handle_error'); |
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set_exception_handler('handle_exception'); |
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function handle_error($level, $message, $file, $line) |
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{ |
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if (error_reporting() !== 0) { |
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throw new \ErrorException($message, 0, $level, $file, $line); |
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} |
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} |
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function handle_exception($exception) |
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{ |
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$code = $exception->getCode(); |
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if ($code != 404) { |
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$code = 500; |
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} |
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http_response_code($code); |
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if (error_reporting() !== 0) { |
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echo "<div style='padding: 40px;'>"; |
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echo "<h1>Fatal error</h1>"; |
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echo "<p>Uncaught exception: '" . get_class($exception) . "'</p>"; |
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echo "<p>Message: '" . $exception->getMessage() . "'</p>"; |
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echo "<p>Stack trace:<pre>" . $exception->getTraceAsString() . "</pre></p>"; |
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echo "<p>Thrown in '" . $exception->getFile() . "' on line " . $exception->getLine() . "</p>"; |
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echo "</div>"; |
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} |
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} |
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function load_page_from_url($url) |
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{ |
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// Validar entrada |
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if (!is_string($url)) { |
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throw new InvalidArgumentException('URL must be a string'); |
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} |
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// Extraer componentes de la URL |
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$components = array_values(array_filter(explode('/', $url))); |
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// Determinar página y función |
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$page = $components[0] ?? 'default'; |
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$function = $components[1] ?? 'index'; |
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$params = array_slice($components, 2); |
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// Validar existencia de la página |
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$page_path = PIN_PATH . 'pages' . DS . $page . '.php'; |
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if (!file_exists($page_path)) { |
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throw new Exception("La página <b>$page</b> no existe!"); |
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} |
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require $page_path; |
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// Ejecutar inicializador si existe |
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if (function_exists('page_initializer')) { |
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page_initializer(); |
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} |
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// Determinar la función a ejecutar |
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$function_to_call = determine_function_to_call($function); |
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if (empty($function_to_call)) { |
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throw new Exception("La función <b>$function</b> no existe en la página <b>$page</b>!"); |
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} |
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return call_user_func_array($function_to_call, $params); |
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} |
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/** |
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* Determina qué función debe ser llamada basada en el nombre de la función |
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* y el método de la petición |
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*/ |
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function determine_function_to_call($function) |
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{ |
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if (function_exists($function)) { |
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return $function; |
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} |
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$request_method = strtolower($_SERVER['REQUEST_METHOD']); |
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if (function_exists($request_method)) { |
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return $request_method; |
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} |
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return null; |
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} |
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nelsonrojasn /
pin
