Viewing file:  ErrorHandler.php (2.54 KB) -rwxrwxr-x
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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Stdlib;
use ErrorException;
/**
* ErrorHandler that can be used to catch internal PHP errors
* and convert to an ErrorException instance.
*/
abstract class ErrorHandler
{
/**
* Active stack
*
* @var array
*/
protected static $stack = array();
/**
* Check if this error handler is active
*
* @return bool
*/
public static function started()
{
return (bool) static::getNestedLevel();
}
/**
* Get the current nested level
*
* @return int
*/
public static function getNestedLevel()
{
return count(static::$stack);
}
/**
* Starting the error handler
*
* @param int $errorLevel
*/
public static function start($errorLevel = \E_WARNING)
{
if (!static::$stack) {
set_error_handler(array(get_called_class(), 'addError'), $errorLevel);
}
static::$stack[] = null;
}
/**
* Stopping the error handler
*
* @param bool $throw Throw the ErrorException if any
* @return null|ErrorException
* @throws ErrorException If an error has been catched and $throw is true
*/
public static function stop($throw = false)
{
$errorException = null;
if (static::$stack) {
$errorException = array_pop(static::$stack);
if (!static::$stack) {
restore_error_handler();
}
if ($errorException && $throw) {
throw $errorException;
}
}
return $errorException;
}
/**
* Stop all active handler
*
* @return void
*/
public static function clean()
{
if (static::$stack) {
restore_error_handler();
}
static::$stack = array();
}
/**
* Add an error to the stack
*
* @param int $errno
* @param string $errstr
* @param string $errfile
* @param int $errline
* @return void
*/
public static function addError($errno, $errstr = '', $errfile = '', $errline = 0)
{
$stack = & static::$stack[count(static::$stack) - 1];
$stack = new ErrorException($errstr, 0, $errno, $errfile, $errline, $stack);
}
}
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