Extensible error handling class

ErrorHandler.php

<?php

namespace Dormilich\Core;

/**
 * Set a custom error handler that is valid as long as this instance is not 
 * garbage collected. 
 */
class ErrorHandler 
{ 
	/**
	 * Set a new error handler from this class’ static methods.
	 * 
	 * @param (string) $handler Name of a static method of this class.
	 * @return (self)
	 * @throws (BadMethodCallException) Undefined method.
	 */
	public function __construct($handler = 'throwError') 
	{ 
		if (!method_exists(__CLASS__, $handler)) { 
			throw new \BadMethodCallException('Unknown error handler requested.'); 
		} 
		set_error_handler([__CLASS__, $handler]); 
	} 

	/**
	 * Reset the error callback to the previous handler when the object is destroyed.
	 */
	public function __destruct() 
	{ 
		restore_error_handler(); 
	} 

	/**
	 * Convert errors/warnings/notices into an error exception.
	 * Note that throwing an exception does not reset the error handler.
	 * 
	 * @param (integer) $code One of the PHP error constants.
	 * @param (string) $msg The error message.
	 * @param (string) $file The filename that the error was raised in.
	 * @param (integer) $line The line number the error was raised at.
	 * @return (void)
	 * @throws (ErrorException) The error as exception.
	 */
	final public static function throwError($code, $msg, $file, $line) 
	{ 
		throw new \ErrorException($msg, $code, 1, $file, $line); 
	} 


	/**
	 * Do whatever needs to be done with the error.
	 * 
	 * @param (integer) $errno The level of the error raised.
	 * @param (string) $errstr The error message.
	 * @param (string) $errfile The filename that the error was raised in.
	 * @param (integer) $errline The line number the error was raised at.
	 * @param (array) $errcontext An array of every variable that existed in 
	 * 				the scope the error was triggered in.
	 * @return (boolean) If the function returns FALSE then the normal 
	 * 				error handler continues.
	 */
	public static function handleError($errno, $errstr) 
	{ 
		// ... 

		return TRUE;
	} 
}