Error handling added

Author: sasanrose

framework/Libraries/Application.php

@@ -46,6 +46,9 @@ public function run()
             die("{$logDir} is not writable");
         }
 
+        // Set Error Handler
+        (new \nanophp\Libraries\Error)->init();
+
         // Set default timezone if it is set in config file
         if ($timezone = Config::instance()->get('/timezone')) {
             date_default_timezone_set($timezone);

framework/Libraries/Error.php

@@ -0,0 +1,131 @@
+<?php
+
+namespace nanophp\Libraries;
+
+use nanophp\Libraries\Config;
+use Monolog\Logger;
+
+/**
+ * Class: Error
+ *
+ * Error handler class of NanoPHP
+ *
+ * @final
+ */
+final class Error
+{
+    /**
+     * init
+     *
+     * Register error handling functions and set display errors
+     */
+    public function init()
+    {
+        // Check if we should display errors
+        if (Config::instance()->get('production')) {
+            ini_set('display_errors', 0);
+            ini_set('display_startup_errors', 0);
+        }
+
+        // Set error reporting if there is a reporting level set in config file
+        if (($error_reporting = Config::instance()->get('error/reporting', false)) !== False) {
+            error_reporting($error_reporting);
+        }
+
+        // Set a custom error handler
+        set_error_handler([$this, 'errorHandler']);
+
+        // Set a custom exception handler
+        set_exception_handler([$this, 'exceptionHanler']);
+
+        // Set a custom shutdown handler
+        register_shutdown_function([$this, 'shutdownHandler']);
+    }
+
+    /**
+     * shutdownHandler
+     *
+     * Custom shutdown handler
+     */
+    public function shutdownHandler()
+    {
+        // Check what caused the application to shutdown
+        $error = error_get_last();
+
+        if ($error) {
+            // It seems and error occured
+            // Get error type
+            $type = $this->_getError($error['type']);
+
+            // Log error
+            \nanophp\Libraries\Application::logger()->log($type, "{$error['message']} on {$error['file']}:{$error['line']}");
+        }
+    }
+
+    /**
+     * exceptionHanler
+     *
+     * Custom exception handler
+     *
+     * @param Exception $e
+     */
+    public function exceptionHanler(Exception $e)
+    {
+        // Log exception
+        \nanophp\Libraries\Application::logger()->log(Logger::ERROR, "{$e->getMessage()} on {$e->getFile()}:{$e->getLine()}");
+    }
+
+    /**
+     * errorHandler
+     *
+     * Custom error handler function
+     *
+     * @param int $no
+     * @param string $str
+     * @param string $file
+     * @param int $line
+     * @param string $context
+     */
+    public function errorHandler($no, $str, $file, $line, $context)
+    {
+        // Check if error is included in error reporting
+        if (!(error_reporting() & $no)) {
+            return;
+        }
+
+        // Get error type
+        $type = $this->_getError($no);
+
+        // Log error
+        \nanophp\Libraries\Application::logger()->log($type, "{$str} on {$file}:{$line}");
+    }
+
+    /**
+     * _getError
+     *
+     * Return Error type
+     *
+     * @param int $type
+     */
+    protected function _getError($type)
+    {
+        switch ($type) {
+            case E_WARNING: // 2 //
+                return Logger::WARNING;
+            case E_NOTICE: // 8 //
+                return Logger::NOTICE;
+            case E_CORE_WARNING: // 32 //
+                return Logger::WARNING;
+            case E_USER_WARNING: // 512 //
+                return Logger::WARNING;
+            case E_USER_NOTICE: // 1024 //
+                return Logger::NOTICE;
+            case E_DEPRECATED: // 8192 //
+                return Logger::WARNING;
+            case E_USER_DEPRECATED: // 16384 //
+                return Logger::WARNING;
+        }
+
+        return Logger::ERROR;
+    }
+}