ver 1.0

class.fasterr.inc

@@ -0,0 +1,784 @@
+<?php
+
+/**
+ * Copyright (c) 2016, 2022, the Open Gallery's contributors
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither Open Gallery nor the names of its contributors 
+ *       may be used to endorse or promote products derived from this software 
+ *       without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * class.fasterr.inc
+ * 
+ * FastErr class.
+ *
+ * @author Daniele Bonini <my25mb@aol.com>
+ * @copyrights (c) 2016, 2022, the Open Gallery's contributors  http://opengallery.media  
+ * @license https://opensource.org/licenses/BSD-3-Clause 
+ */
+
+namespace OpenGallery\OpenGallery;
+
+/**
+ * FastErr
+ *
+ * FastErr class
+ *
+ * @package  OpenGallery http://github.com/par7133
+ * @author   Daniele Bonini <my25mb@aol.com>
+ * @version  1.0
+ * @access   public
+ * @note You have to declare in your "config.inc" file - or whatever file you
+ * use for the purpose, the following global constants:
+ * define('APP_NAME', "YOUR_APP_NAME");
+ * define('DEBUG', "true|false");
+ * 
+  * This class makes use of the global function isset1, declared in this way:
+ * 
+ * function isset1(&$var, $default=false) {
+ *   if (isset($var)) {
+ *     return $var;
+ *   } else {
+ *     return $default;
+ *   }
+ * }
+ */
+final class Err 
+{
+  const ERR_GENERAL = "uEh1RE49t6qn91101aZvS4xbZ9TlGLeF";
+  
+  public static $A_ERR_NO = [
+    'ERR_GENERAL' => "uEh1RE49t6qn91101aZvS4xbZ9TlGLeF",
+  ];
+
+  public static $A_ERR_MSG = [
+    'ERR_GENERAL' => "Unexpected error happened.",
+  ];
+
+  public static $A_ERR_EXTDES_MSG = [
+    'ERR_GENERAL' => "A general error happened. The application is going to end here.",
+  ];
+  
+  /**
+      * the instance of the object 
+      * 
+      * @access private 
+      * @var Err
+      */
+  private static $_instance = null;  
+  
+  /**
+      * Reference to the previous error handler
+      * 
+      * @access public
+      * @var string  
+      */
+  private static $_old_error_handler;
+
+  /**
+      * Param1 of the previous error handler
+      * 
+      * @access public
+      * @var string  
+      */
+  private static $_old_error_handler_param1 = null;
+
+  /**
+      * Param2 of the previous error handler
+      * 
+      * @access public
+      * @var string  
+      */
+  private static $_old_error_handler_param2 = null;
+
+  /**
+      * Exception handler / trigger in the form of anonymous function
+      * 
+      * @access public 
+      * @var function
+      */
+  private static $_throw1;
+
+  /**
+      * Error handler / trigger in the form of anonymous function
+      * 
+      * @access public 
+      * @var function
+      */
+  private static $_trigger_error1;
+  
+  /**
+      * Default constructor
+      * 
+      * @return void
+      */
+  private function __construct()
+  {
+    self::$_old_error_handler = "";
+  }
+
+  /**
+      * Get an instance of the resources object
+      * 
+      * @return object
+      */
+  private static function &getInstance() 
+  {
+    if (!isset(self::$_instance)) {
+      self::$_instance = new FastErr();
+    }
+    return self::$_instance;
+  }
+  
+  /**
+      * Check if the static instance is set
+      * 
+      * @return bool
+      */
+  public static function issetInstance()
+  {
+    return isset(self::$_instance);
+  }
+  
+  /**
+      * Unset the static instance
+      * 
+      * @return void
+      */
+  public static function unsetInstance()
+  {
+    unset(self::$_instance);
+  }
+
+  /**
+      * Load the error descriptions and other constants
+      * 
+      * @return void 
+      */
+  public static function load()
+  {
+      self::getInstance();
+  }
+  
+  /**
+      * Set the default error and exception handlers 
+      *
+      * @return void
+      * @access public
+      */ 
+  public static function setDefaultHandlers() 
+  {
+    // Assigning the error handling function..
+  
+    // Load the error resources..
+    self::load();
+
+    // Saving reference to the current error handler..
+    self::$_old_error_handler = "setDefaultHandlers";
+    self::$_old_error_handler_param1 = null;
+    self::$_old_error_handler_param2 = null;
+    
+    /**
+            * Error handling function
+            *
+            * @param string $errNo the number of the error
+            * @param string $errMsg the error message
+            * @param string $errScript the script where the error happened
+            * @param integer $errLine the line of code of the error
+            * @return void
+            */
+    self::$_trigger_error1 = static function ($errNo, $errMsg, $errScript, $errLine) {
+
+      $errKey = array_search($errNo, self::$A_ERR_NO);
+
+      error_log(strtoupper(APP_NAME) . " " . "ERROR ($errNo): $errMsg : in script $errScript, line $errLine");
+
+      // Logging the stack trace..
+      $aDebugTrace = debug_backtrace();
+      
+      if (count($aDebugTrace)>0) {
+        
+        $aDebugTrace = array_reverse($aDebugTrace);
+        array_pop($aDebugTrace);
+        
+        error_log(strtoupper(APP_NAME) . " " . "Stack trace:");
+
+        $i = 1;
+        foreach ($aDebugTrace as $trace) {
+          error_log(strtoupper(APP_NAME) . " " . $i . " " . $trace['function'] . "()" . " " . ((isset($trace['file'])) ? $trace['file'] . ":" : "") . isset1($trace['line'], ""));
+          $i=$i+1;
+        }
+      }
+
+      error_log(strtoupper(APP_NAME) . " " . "Ending script...");
+
+
+      // Display error
+      if (DEBUG) {
+        echo "ERROR ($errNo): "  . Page::HTMLencode($errMsg, true) . ": in script $errScript, line $errLine<br>";
+
+        // Printing the stack trace..
+        if (count($aDebugTrace)>0) {
+        
+          echo "Stack trace:" . "<br>";
+
+          $i = 1;
+          foreach ($aDebugTrace as $trace) {
+            echo $i . " " . $trace['function'] . "()" . " " . ((isset($trace['file'])) ? $trace['file'] . ":" : "") . isset1($trace['line'], "") . "<br>";
+            $i=$i+1;
+          }
+        }
+        
+      } else {
+        if (isset(self::$A_ERR_MSG[$errKey])) { 
+          echo Page::HTMLencode(self::$A_ERR_MSG[$errKey], true) . " in script " . basename($errScript) . ", line $errLine<br>";
+        } else { 
+          echo "Unexpected Error in script ".  basename($errScript) . ", line $errLine<br>";
+        } 
+      }
+      echo "Ending script...<br>";
+      
+      if (!TESTING) {
+        exit(1);
+      } else {
+        throw new Exception($errMsg);
+      }
+    };
+
+    // Registering the error handling function..
+    set_error_handler(self::$_trigger_error1);
+    
+    // Assigning the exception handling function..
+    
+    /**
+            * Exception handling function
+            *
+            * @param Exception $e the exception thrown
+            * @return void
+            */
+    self::$_throw1 = static function (\Throwable $e) {
+  
+      $errNo=$e->getCode(); 
+      $errMsg=$e->getMessage();
+      $errScript=$e->getFile();
+      $errLine=$e->getLine(); 
+
+      $errKey = array_search($errNo, self::$A_ERR_NO);
+
+      error_log(strtoupper(APP_NAME) . " " . "ERROR ($errNo): $errMsg : in script $errScript, line $errLine");
+
+      // Logging the stack trace..
+      $aDebugTrace = $e->getTrace();
+      
+      if (count($aDebugTrace)>0) {
+ 
+        $aDebugTrace = array_reverse($aDebugTrace);
+        
+        error_log(strtoupper(APP_NAME) . " " . "Stack trace:");
+
+        $i = 1;
+        foreach ($aDebugTrace as $trace) {
+          error_log(strtoupper(APP_NAME) . " " . $i . " " . $trace['function'] . "()" . " " . ((isset($trace['file'])) ? $trace['file'] . ":" : "") . isset1($trace['line'], ""));
+          $i=$i+1;
+        }
+      }
+
+      error_log(strtoupper(APP_NAME) . " " . "Ending script...");
+
+      // Display error
+      if (DEBUG) {
+        echo "ERROR ($errNo): " . Page::HTMLencode($errMsg, true) . ": in script $errScript, line $errLine<br>";
+
+        // Printing the stack trace..
+        if (count($aDebugTrace)>0) {
+ 
+          echo "Stack trace:" . "<br>";
+
+          $i = 1;
+          foreach ($aDebugTrace as $trace) {
+            echo $i . " " . $trace['function'] . "()" . " " . ((isset($trace['file'])) ? $trace['file'] . ":" : "") . isset1($trace['line'], "") . "<br>";
+            $i=$i+1;
+          }
+        }
+        
+      } else {
+        if (isset(self::$A_ERR_MSG[$errKey])) { 
+          echo Page::HTMLencode(self::$A_ERR_MSG[$errKey], true) . " in script " . basename($errScript) . ", line $errLine<br>";
+        } else { 
+          echo "Unexpected Error in script ".  basename($errScript) . ", line $errLine<br>";
+        } 
+      }
+      echo "Ending script...<br>";
+
+      if (!TESTING) {
+        exit(1);
+      } else {
+        throw new Exception($errMsg);
+      }
+
+    };
+    
+    // Registering the exception handling function
+    set_exception_handler(self::$_throw1);
+    
+  }
+
+  /**
+      * Set the error handlers to redirect to a page 
+      *
+      * @param  string  $landingPage the landing page to redirect to
+      * @param  string  $queryString additional query string to pass in the redirect
+      * @return void
+      * @access public
+      */ 
+  public static function setRedirectHandlers($landingPage, $queryString = "") 
+  {
+
+    // Assigning the error handling function..
+    
+    // Load the error resources..
+    self::load();
+
+    // Saving reference to the current error handler..
+    self::$_old_error_handler = "setRedirectHandlers";
+    self::$_old_error_handler_param1 = $landingPage;
+    self::$_old_error_handler_param2 = $queryString;
+
+    /**
+            * Error handling function
+            *
+            * @param string $errNo the number of the error
+            * @param string $errMsg the error message
+            * @param string $errScript the script where the error happened
+            * @param integer $errLine the line of code of the error
+            * @return void
+            */
+    self::$_trigger_error1 = static function ($errNo, $errMsg, $errScript, $errLine) use ($landingPage, $queryString) {
+      
+      error_log(strtoupper(APP_NAME) . " " . "ERROR ($errNo): $errMsg : in script " . $errScript . ", line $errLine");
+      
+      // Logging the stack trace..
+      $aDebugTrace = debug_backtrace();
+      
+      if (count($aDebugTrace)>0) {
+        
+        $aDebugTrace = array_reverse($aDebugTrace);
+        array_pop($aDebugTrace);
+        
+        error_log(strtoupper(APP_NAME) . " Stack trace:");
+
+        $i = 1;
+        foreach ($aDebugTrace as $trace) {
+          error_log(strtoupper(APP_NAME) . " " . $i . " " . $trace['function'] . "()" . " " . ((isset($trace['file'])) ? $trace['file'] . ":" : "") . isset1($trace['line'], ""));
+          $i=$i+1;
+        }
+      }
+      
+      error_log(strtoupper(APP_NAME) . " " . "Redirecting...");
+
+      //Redirect with error..
+      if (DEBUG) { 
+        
+        //Buffering stack trace..
+        if (count($aDebugTrace)>0) {
+        
+          $errStack = "Stack trace:" . "<br>";
+
+          $i = 1;
+          foreach ($aDebugTrace as $trace) {
+            $errStack .= $i . " " . $trace['function'] . "()" . " " . ((isset($trace['file'])) ? $trace['file'] . ":" : "") . isset1($trace['line'], "") . "<br>";
+            $i=$i+1;
+          }
+        }
+        
+        Page::redirect($landingPage . (stripos($landingPage, "?")>0 ? "&" : "?") . "uid=" . uniqid(rand(), true) . ($queryString!="" ? "&". $queryString : "") . "&errNo=" . urlencode($errNo) . "&errMsg=" . urlencode($errMsg) . "&errScript=" . urlencode($errScript) . "&errLine=" . urlencode($errLine) . "&errStack=" . urlencode($errStack));
+      } else {
+        Page::redirect($landingPage . (stripos($landingPage, "?")>0 ? "&" : "?") . "uid=" . uniqid(rand(), true) . ($queryString!="" ? "&". $queryString : "") . "&errNo=" . urlencode($errNo));
+      }  
+
+      if (!TESTING) {
+        exit(1);
+      } else {
+        throw new Exception($errMsg);
+      }
+    };
+
+    // Registering the error handling function..
+    set_error_handler(self::$_trigger_error1);
+    
+    
+    // Assigning the exception handling function..
+    
+    /**
+            * Exception handling function
+            *
+            * @param Exception $e the exception thrown
+            * @return void
+            */
+    self::$_throw1 = static function (\Throwable $e) use ($landingPage, $queryString) {
+  
+      $errNo=$e->getCode(); 
+      $errMsg=$e->getMessage();
+      $errScript=$e->getFile();
+      $errLine=$e->getLine(); 
+
+      error_log(strtoupper(APP_NAME) . " " . "ERROR ($errNo): $errMsg : in script " . $errScript . ", line $errLine");
+      
+      // Logging the stack trace..
+      $aDebugTrace = $e->getTrace();
+      
+      if (count($aDebugTrace)>0) {
+ 
+        $aDebugTrace = array_reverse($aDebugTrace);
+        
+        error_log(strtoupper(APP_NAME) . " Stack trace:");
+
+        $i = 1;
+        foreach ($aDebugTrace as $trace) {
+          error_log(strtoupper(APP_NAME) . " " . $i . " " . $trace['function'] . "()" . " " . ((isset($trace['file'])) ? $trace['file'] . ":" : "") . isset1($trace['line'], ""));
+          $i=$i+1;
+        }
+      }
+        
+      error_log(strtoupper(APP_NAME) . " " . "Redirecting...");
+
+      //Redirect with error..
+      if (DEBUG) { 
+
+        //Buffering stack trace..
+        if (count($aDebugTrace)>0) {
+        
+          $errStack = "Stack trace:" . "<br>";
+
+          $i = 1;
+          foreach ($aDebugTrace as $trace) {
+            $errStack .= $i . " " . $trace['function'] . "()" . " " . ((isset($trace['file'])) ? $trace['file'] . ":" : "") . isset1($trace['line'], "") . "<br>";
+            $i=$i+1;
+          }
+        }
+
+        Page::redirect($landingPage . (stripos($landingPage, "?")>0 ? "&" : "?") . "uid=" . uniqid(rand(), true) . ($queryString!="" ? "&". $queryString : "") . "&errNo=" . urlencode($errNo) . "&errMsg=" . urlencode($errMsg) . "&errScript=" . urlencode($errScript) . "&errLine=" . urlencode($errLine) . "&errStack=" . urlencode($errStack));
+      } else {
+        Page::redirect($landingPage . (stripos($landingPage, "?")>0 ? "&" : "?") . "uid=" . uniqid(rand(), true) . ($queryString!="" ? "&". $queryString : "") . "&errNo=" . urlencode($errNo));
+      }   
+
+      if (!TESTING) {
+        exit(1);
+      } else {     
+        throw new Exception($errMsg);
+      }
+    };
+    
+    // Registering the exception handling function
+    set_exception_handler(self::$_throw1);
+  }
+  
+  /**
+      * Set the error handlers to json  
+      *
+      * @return void
+      * @access public
+      */ 
+  public static function setJSONHandlers() 
+  {
+
+    // Assigning the error handling function..
+    
+    // Load the error resources..
+    self::load();
+
+    // Saving reference to the current error handler..
+    self::$_old_error_handler = "setJSONHandlers";
+    self::$_old_error_handler_param1 = null;
+    self::$_old_error_handler_param2 = null;
+
+    /**
+            * Error handling function
+            *
+            * @param string $errNo the number of the error
+            * @param string $errMsg the error message
+            * @param string $errScript the script where the error happened
+            * @param integer $errLine the line of code of the error
+            * @return void
+            */
+    self::$_trigger_error1 = static function ($errNo, $errMsg, $errScript, $errLine) {
+      
+      error_log(strtoupper(APP_NAME) . " " . "ERROR ($errNo): $errMsg : in script " . $errScript . ", line $errLine");
+
+      // Logging the stack trace..
+      $aDebugTrace = debug_backtrace();
+      
+      if (count($aDebugTrace)>0) {
+        
+        $aDebugTrace = array_reverse($aDebugTrace);
+        array_pop($aDebugTrace); 
+        
+        error_log(strtoupper(APP_NAME) . " Stack trace:");
+
+        $i = 1;
+        foreach ($aDebugTrace as $trace) {
+          error_log(strtoupper(APP_NAME) . " " . $i . " " . $trace['function'] . "()" . " " . ((isset($trace['file'])) ? $trace['file'] . ":" : "") . isset1($trace['line'], ""));
+          $i=$i+1;
+        }
+      }
+      
+      error_log(strtoupper(APP_NAME) . " " . "Ending Json...");
+     
+      //Json encode the error..
+      if (DEBUG) { 
+        
+        //Buffering stack trace..
+        if (count($aDebugTrace)>0) {
+        
+          $errStack = "Stack trace:" . "<br>";
+
+          $i = 1;
+          foreach ($aDebugTrace as $trace) {
+            $errStack .= $i . " " . $trace['function'] . "()" . " " . ((isset($trace['file'])) ? $trace['file'] . ":" : "") . isset1($trace['line'], "") . "<br>";
+            $i=$i+1;
+          }
+        }
+        
+        echo json_encode([$errNo, $errMsg, $errScript, $errLine, $errStack]);
+      } else {
+        echo json_encode([$errNo]);
+      }  
+
+      if (!TESTING) {
+        exit(1);
+      } else {
+        throw new Exception($errMsg);
+      }
+    };
+    
+    // Registering the error handling function..
+    set_error_handler(self::$_trigger_error1);
+    
+    
+    // Assigning the exception handling function..
+    
+    /**
+            * Exception handling function
+            *
+            * @param Exception $e the exception thrown
+            * @return void
+            */
+    self::$_throw1 = static function (\Throwable $e) {
+  
+      $errNo=$e->getCode(); 
+      $errMsg=$e->getMessage();
+      $errScript=$e->getFile();
+      $errLine=$e->getLine(); 
+
+      error_log(strtoupper(APP_NAME) . " " . "ERROR ($errNo): $errMsg : in script " . $errScript . ", line $errLine");
+
+      // Logging the stack trace..
+      $aDebugTrace = $e->getTrace();
+      
+      if (count($aDebugTrace)>0) {
+ 
+        $aDebugTrace = array_reverse($aDebugTrace);
+        
+        error_log(strtoupper(APP_NAME) . " Stack trace:");
+
+        $i = 1;
+        foreach ($aDebugTrace as $trace) {
+          error_log(strtoupper(APP_NAME) . " " . $i . " " . $trace['function'] . "()" . " " . ((isset($trace['file'])) ? $trace['file'] . ":" : "") . isset1($trace['line'], ""));
+          $i=$i+1;
+        }
+      }
+
+      error_log(strtoupper(APP_NAME) . " " . "Ending Json...");
+
+      //Json encode the error..
+      if (DEBUG) { 
+
+        //Buffering stack trace..
+        if (count($aDebugTrace)>0) {
+        
+          $errStack = "Stack trace:" . "<br>";
+
+          $i = 1;
+          foreach ($aDebugTrace as $trace) {
+            $errStack .= $i . " " . $trace['function'] . "()" . " " . ((isset($trace['file'])) ? $trace['file'] . ":" : "") . isset1($trace['line'], "") . "<br>";
+            $i=$i+1;
+          }
+        }
+
+        echo json_encode([$errNo, $errMsg, $errScript, $errLine, $errStack]);
+      } else {
+        echo json_encode([$errNo]);
+      }  
+
+      if (!TESTING) {
+        exit(1);
+      } else {    
+        throw new Exception($errMsg);
+      }
+
+    };
+    
+    // Registering the exception handling function
+    set_exception_handler(self::$_throw1);
+  
+  }
+
+  /**
+      * Set the error handlers to log the error only  
+      *
+      * @return void
+      * @access public
+      */ 
+  public static function setLogOnlyHandlers() 
+  {
+
+    // Assigning the error handling function..
+    
+    // Load the error resources..
+    self::load();
+
+    /**
+            * Error handling function
+            *
+            * @param string $errNo the number of the error
+            * @param string $errMsg the error message
+            * @param string $errScript the script where the error happened
+            * @param integer $errLine the line of code of the error
+            * @return void
+            */
+    self::$_trigger_error1 = static function ($errNo, $errMsg, $errScript, $errLine) {
+      
+      error_log(strtoupper(APP_NAME) . " " . "ERROR ($errNo): $errMsg : in script " . $errScript . ", line $errLine");
+
+      // Logging the stack trace..
+      $aDebugTrace = debug_backtrace();
+      
+      if (count($aDebugTrace)>0) {
+        
+        $aDebugTrace = array_reverse($aDebugTrace);
+        array_pop($aDebugTrace);
+        
+        error_log(strtoupper(APP_NAME) . " Stack trace:");
+
+        $i = 1;
+        foreach ($aDebugTrace as $trace) {
+          error_log(strtoupper(APP_NAME) . " " . $i . " " . $trace['function'] . "()" . " " . ((isset($trace['file'])) ? $trace['file'] . ":" : "") . isset1($trace['line'], ""));
+          $i=$i+1;
+        }
+      }
+      
+      error_log(strtoupper(APP_NAME) . " " . "Continuing...");
+
+    };
+
+    // Registering the error handling function..
+    set_error_handler(self::$_trigger_error1);
+    
+    
+    // Assigning the exception handling function..
+    
+    /**
+            * Exception handling function
+            *
+            * @param Exception $e the exception thrown
+            * @return void
+            */
+    self::$_throw1 = static function (\Throwable $e) {
+  
+      $errNo=$e->getCode(); 
+      $errMsg=$e->getMessage();
+      $errScript=$e->getFile();
+      $errLine=$e->getLine(); 
+
+      error_log(strtoupper(APP_NAME) . " " . "ERROR ($errNo): $errMsg : in script " . $errScript . ", line $errLine");
+
+      // Logging the stack trace..
+      $aDebugTrace = $e->getTrace();
+      
+      if (count($aDebugTrace)>0) {
+ 
+        $aDebugTrace = array_reverse($aDebugTrace);
+        
+        error_log(strtoupper(APP_NAME) . " Stack trace:");
+
+        $i = 1;
+        foreach ($aDebugTrace as $trace) {
+          error_log(strtoupper(APP_NAME) . " " . $i . " " . $trace['function'] . "()" . " " . ((isset($trace['file'])) ? $trace['file'] . ":" : "") . isset1($trace['line'], ""));
+          $i=$i+1;
+        }
+      }
+      
+      error_log(strtoupper(APP_NAME) . " " . "Continuing...");
+    };
+    
+    // Registering the exception handling function
+    set_exception_handler(self::$_throw1);
+  }
+
+  /**
+      * Set back the error handlers  
+      *
+      * @return void
+      * @access public
+      */ 
+  public static function setPreviousHandlers() 
+  {
+    // Restoring previous error handlers..
+    if (self::$_old_error_handler === "setDefaultHandlers") {
+      self::setDefaultHandlers();
+    } else if (self::$_old_error_handler === "setRedirectHandlers") {
+      self::setRedirectHandlers(self::$_old_error_handler_param1, self::$_old_error_handler_param2);
+    } else if (self::$_old_error_handler === "setJSONHandlers") {
+      self::setJSONHandlers();
+    }
+  }  
+  
+  /**
+      * Error trigger 
+      *
+      * @param string $errNo the number of the error
+      * @param string $errMsg the error message
+      * @param string $errScript the script where the error happened
+      * @param integer $errLine the line of code of the error
+      * @return void
+      * @access public
+      */
+  public static function trigger_error1($errNo, $errMsg, $errScript, $errLine) 
+  {
+    $trigger_error1 = self::$_trigger_error1;
+    
+    $trigger_error1($errNo, $errMsg, $errScript, $errLine);
+  }
+  
+  /**
+      * Exception trigger 
+      *
+      * @param Exception $e the exception to trigger
+      * @return void
+      * @access public
+      */
+  public static function throw1(\Throwable $e) 
+  {
+    $throw1 = self::$_throw1;
+    
+    $throw1($e);
+  }
+}