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<?php
/**
* Slim Framework (https://slimframework.com)
*
* @link https://github.com/slimphp/Slim
* @copyright Copyright (c) 2011-2017 Josh Lockhart
* @license https://github.com/slimphp/Slim/blob/3.x/LICENSE.md (MIT License)
*/
namespace Slim\Handlers;
/**
* Abstract Slim application error handler
*/
abstract class AbstractError extends AbstractHandler
{
/**
* @var bool
*/
protected $displayErrorDetails;
/**
* Constructor
*
* @param bool $displayErrorDetails Set to true to display full details
*/
public function __construct($displayErrorDetails = false)
{
$this->displayErrorDetails = (bool) $displayErrorDetails;
}
/**
* Write to the error log if displayErrorDetails is false
*
* @param \Exception|\Throwable $throwable
*
* @return void
*/
protected function writeToErrorLog($throwable)
{
if ($this->displayErrorDetails) {
return;
}
$message = 'Slim Application Error:' . PHP_EOL;
$message .= $this->renderThrowableAsText($throwable);
while ($throwable = $throwable->getPrevious()) {
$message .= PHP_EOL . 'Previous error:' . PHP_EOL;
$message .= $this->renderThrowableAsText($throwable);
}
$message .= PHP_EOL . 'View in rendered output by enabling the "displayErrorDetails" setting.' . PHP_EOL;
$this->logError($message);
}
/**
* Render error as Text.
*
* @param \Exception|\Throwable $throwable
*
* @return string
*/
protected function renderThrowableAsText($throwable)
{
$text = sprintf('Type: %s' . PHP_EOL, get_class($throwable));
if ($code = $throwable->getCode()) {
$text .= sprintf('Code: %s' . PHP_EOL, $code);
}
if ($message = $throwable->getMessage()) {
$text .= sprintf('Message: %s' . PHP_EOL, htmlentities($message));
}
if ($file = $throwable->getFile()) {
$text .= sprintf('File: %s' . PHP_EOL, $file);
}
if ($line = $throwable->getLine()) {
$text .= sprintf('Line: %s' . PHP_EOL, $line);
}
if ($trace = $throwable->getTraceAsString()) {
$text .= sprintf('Trace: %s', $trace);
}
return $text;
}
/**
* Wraps the error_log function so that this can be easily tested
*
* @param $message
*/
protected function logError($message)
{
error_log($message);
}
}
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