Namespaces

• Slim
  • Exception
  • Handlers
    • Strategies
  • Http
  • Interfaces
    • Http

Classes

• Slim\App
• Slim\CallableResolver
• Slim\Collection
• Slim\Container
• Slim\DefaultServicesProvider
• Slim\DeferredCallable
• Slim\Handlers\AbstractError
• Slim\Handlers\AbstractHandler
• Slim\Handlers\Error
• Slim\Handlers\NotAllowed
• Slim\Handlers\NotFound
• Slim\Handlers\PhpError
• Slim\Handlers\Strategies\RequestResponse
• Slim\Handlers\Strategies\RequestResponseArgs
• Slim\Http\Body
• Slim\Http\Cookies
• Slim\Http\Environment
• Slim\Http\Headers
• Slim\Http\Message
• Slim\Http\Request
• Slim\Http\RequestBody
• Slim\Http\Response
• Slim\Http\Stream
• Slim\Http\UploadedFile
• Slim\Http\Uri
• Slim\Routable
• Slim\Route
• Slim\RouteGroup
• Slim\Router

Interfaces

• Slim\Interfaces\CallableResolverInterface
• Slim\Interfaces\CollectionInterface
• Slim\Interfaces\Http\CookiesInterface
• Slim\Interfaces\Http\EnvironmentInterface
• Slim\Interfaces\Http\HeadersInterface
• Slim\Interfaces\InvocationStrategyInterface
• Slim\Interfaces\RouteGroupInterface
• Slim\Interfaces\RouteInterface
• Slim\Interfaces\RouterInterface

Traits

• Slim\CallableResolverAwareTrait
• Slim\MiddlewareAwareTrait

Exceptions

• Slim\Exception\ContainerException
• Slim\Exception\ContainerValueNotFoundException
• Slim\Exception\InvalidMethodException
• Slim\Exception\MethodNotAllowedException
• Slim\Exception\NotFoundException
• Slim\Exception\SlimException

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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;

    /**
     * @var bool|string
     */
    protected $outputBuffering;

    /**
     * Constructor
     *
     * @param bool $displayErrorDetails Set to true to display full details
     */
    public function __construct($displayErrorDetails = false, $outputBuffering = false)
    {
        $this->displayErrorDetails = (bool) $displayErrorDetails;
        $this->outputBuffering = $outputBuffering;
    }

    /**
     * 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);
    }
}