Error handling

[sunilvadranapu]

Hi,

  I am writing a PHP class for custom error handling. In constructor i am setting up the error handler like this.

    function __construct (){
    {
	if (error_reporting() == 0)
		return;

	$this->logger = new Logger("mylog.log","append") ;  //create object to logger class
	set_error_handler(array($this,"ErrorHandler"));        //set user defined error handler
    }

 

while running the i am getting below warning:

 

Warning: set_error_handler() expects the argument (Error::ErrorHandler) to be a valid callback in C:\php_dev\errorHandler \sun_error.php on line 16

 

 

what is this waring? can any one tell me how can i remove this warning??

 

thanks in advance

 

 

-sun

[DarkWater]

The set_error_handler function just needs the name of another function that will be used to handle errors, not an array.

 

set_error_handler();

[sunilvadranapu]

 

As far as i know, i am using set_error_handler inside the class , i am passing the array. If we use the set_error_handler out side the class, then its enough to mention the "error handler"

[DarkWater]

PHP doesn't WANT an array for that function:

 

mixed set_error_handler  ( callback $error_handler  [, int $error_types  ] )

 

You need to just pass a function name.  Make a function that calls a Logger object, and then use that function for the set_error_handler.  You need to be a bit creative for it to work though.

[sunilvadranapu]

thanks for your reply.

 

In my "Error" class i have constructor and ErrorHandler() method.

 

Class: Error

    constructor

    ErrorHandler

 

i changed the constructor code to set user defined error handler to Error Class method "ErrorHandler"

 

set_error_handler("ErrorHandler");

 

even then i am getting the warning msg:

 

Warning: set_error_handler() expects the argument (ErrorHandler) to be a valid callback in C:\php_dev\errorHandler\sun_error.php on line 16

 

 

 

thanks in advance

[DarkWater]

thanks for your reply.

 

In my "Error" class i have constructor and ErrorHandler() method.

 

Class: Error

    constructor

    ErrorHandler

 

i changed the constructor code to set user defined error handler to Error Class method "ErrorHandler"

 

set_error_handler("ErrorHandler");

 

even then i am getting the warning msg:

 

Warning: set_error_handler() expects the argument (ErrorHandler) to be a valid callback in C:\php_dev\errorHandler\sun_error.php on line 16

 

 

 

thanks in advance

 

Make a function SEPARATE of the class that creates a new Error object (sorry, I thought you named it Logger when I posted my previous post), and use THAT function as the error handler, and work with the object in it.

[sunilvadranapu]

 

This is my actual class:

 

<?php
class Error
{

    function __construct (){
    {
	if (error_reporting() == 0)
		return;

	//set_error_handler(array($this,"ErrorHandler"));
	set_error_handler("ErrorHandler");
    }
  
    function ErrorHandler($errno,$errstr,$errfile,$errline)
    {

	$errorType = array (
		   E_ERROR          => 'ERROR',
		   E_WARNING        => 'WARNING',
		   E_PARSE          => 'PARSING ERROR',
		   E_NOTICE         => 'NOTICE',
		   E_CORE_ERROR     => 'CORE ERROR',
		   E_CORE_WARNING   => 'CORE WARNING',
		   E_COMPILE_ERROR  => 'COMPILE ERROR',
		   E_COMPILE_WARNING => 'COMPILE WARNING',
		   E_USER_ERROR     => 'USER ERROR',
		   E_USER_WARNING   => 'USER WARNING',
		   E_USER_NOTICE    => 'USER NOTICE',
		   E_STRICT         => 'STRICT NOTICE',
		   E_RECOVERABLE_ERROR  => 'RECOVERABLE ERROR'
	);


	$errtime=date("Y-m-d H:i:s (T)");
	$err_message="An error occured on ".$errtime."\n";
	$err_message .="Details are as follows\n";
	$err_message .="Error Number : $errno\n";
	$err_message .=$errstr."\nOccured in ".$errfile."\n";
	$err_message .="On Line $errline \n\n";
	$err_message .=str_repeat("-",50);
	$err_message .="\n";
       
}



}  //class
?>	

[sunilvadranapu]

 

My intension is to write a PHP class for handling errors. thats why i am developing the "Error" class which has a constructor in which i am setting up the user defined error handler and a "ErrorHandler" method which handles all errors encountered while execution.

 

please help me in this regard

 

 

thanks in advance