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<?php
/*
* This file is part of PHPUnit.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PHPUnit\Util;
use PHPUnit\Framework\Error\Deprecated;
use PHPUnit\Framework\Error\Error;
use PHPUnit\Framework\Error\Notice;
use PHPUnit\Framework\Error\Warning;
/**
* Error handler that converts PHP errors and warnings to exceptions.
*/
class ErrorHandler
{
protected static $errorStack = [];
/**
* Returns the error stack.
*
* @return array
*/
public static function getErrorStack()
{
return self::$errorStack;
}
/**
* @param int $errno
* @param string $errstr
* @param string $errfile
* @param int $errline
*
* @return false
*
* @throws Error
*/
public static function handleError($errno, $errstr, $errfile, $errline)
{
if (!($errno & \error_reporting())) {
return false;
}
self::$errorStack[] = [$errno, $errstr, $errfile, $errline];
$trace = \debug_backtrace();
\array_shift($trace);
foreach ($trace as $frame) {
if ($frame['function'] == '__toString') {
return false;
}
}
if ($errno == E_NOTICE || $errno == E_USER_NOTICE || $errno == E_STRICT) {
if (Notice::$enabled !== true) {
return false;
}
$exception = Notice::class;
} elseif ($errno == E_WARNING || $errno == E_USER_WARNING) {
if (Warning::$enabled !== true) {
return false;
}
$exception = Warning::class;
} elseif ($errno == E_DEPRECATED || $errno == E_USER_DEPRECATED) {
if (Deprecated::$enabled !== true) {
return false;
}
$exception = Deprecated::class;
} else {
$exception = Error::class;
}
throw new $exception($errstr, $errno, $errfile, $errline);
}
/**
* Registers an error handler and returns a function that will restore
* the previous handler when invoked
*
* @param int $severity PHP predefined error constant
*
* @return \Closure
*
* @throws \Exception if event of specified severity is emitted
*/
public static function handleErrorOnce($severity = E_WARNING)
{
$terminator = function () {
static $expired = false;
if (!$expired) {
$expired = true;
// cleans temporary error handler
return \restore_error_handler();
}
};
\set_error_handler(function ($errno, $errstr) use ($severity) {
if ($errno === $severity) {
return;
}
return false;
});
return $terminator;
}
}