<?php

interface IException

{

/* Protected methods inherited from Exception class */

public function getMessage(); // Exception message

public function getCode(); // User-defined Exception code

public function getFile(); // Source filename

public function getLine(); // Source line

public function getTrace(); // An array of the backtrace()

public function getTraceAsString(); // Formated string of trace

/* Overrideable methods inherited from Exception class */

public function __toString(); // formated string for display

public function __construct($message = null, $code = 0);

}

abstract class CustomException extends Exception implements IException

{

protected $message = 'Unknown exception'; // Exception message

protected $code = 0; // User-defined exception code

protected $file; // Source filename of exception

protected $line; // Source line of exception

public function __construct($message = null, $code = 0)

{

if ( ! $message) {

throw new $this('Unknown ' . get_class($this));

}

parent::__construct($message, $code);

}

public function __toString()

{

return get_class($this) . " '{$this->message}' in {$this->file}({$this->line})\n"

. "{$this->getTraceAsString()}";

}

}

/*

* Exception occurs when we have no active socket

* connection to whatsapp

*/

class ConnectionException extends Exception{}

class LoginFailureException extends Exception{}