Class ErrorHandlerMiddleware

__construct()source public

__construct( string|callable|null $exceptionRenderer null , array $config [] )

Constructor

Parameters

string|callable|null $exceptionRenderer optional null

The renderer or class name to use or a callable factory. If null, Configure::read('Error.exceptionRenderer') will be used.

array $config optional []

Configuration options to use. If empty, Configure::read('Error') will be used.

__invoke()source public

__invoke( Psr\Http\Message\ServerRequestInterface $request , Psr\Http\Message\ResponseInterface $response , callable $next )

Wrap the remaining middleware with error handling.

Parameters

Psr\Http\Message\ServerRequestInterface $request

The request.

Psr\Http\Message\ResponseInterface $response

The response.

callable $next

Callback to invoke the next middleware.

Returns

Psr\Http\Message\ResponseInterface
A response

getMessage()source protected

getMessage( Psr\Http\Message\ServerRequestInterface $request , Exception $exception )

Generate the error log message.

Parameters

Psr\Http\Message\ServerRequestInterface $request

The current request.

Exception $exception

The exception to log a message for.

Returns

string
Error message

getRenderer()source protected

getRenderer( Exception $exception )

Get a renderer instance

Parameters

Exception $exception

The exception being rendered.

Returns

Cake\Error\ExceptionRendererInterface
The exception renderer.

Throws

Exception
When the renderer class cannot be found.

handleException()source public

handleException( Exception $exception , Psr\Http\Message\ServerRequestInterface $request , Psr\Http\Message\ResponseInterface $response )

Handle an exception and generate an error response

Parameters

Exception $exception

The exception to handle.

Psr\Http\Message\ServerRequestInterface $request

The request.

Psr\Http\Message\ResponseInterface $response

The response.

Returns

Psr\Http\Message\ResponseInterface
A response

logException()source protected

logException( Psr\Http\Message\ServerRequestInterface $request , Exception $exception )

Log an error for the exception if applicable.

Parameters

Psr\Http\Message\ServerRequestInterface $request

The current request.

Exception $exception

The exception to log a message for.

_configDelete()source protected

_configDelete( string $key )

Deletes a single config key.

Parameters

string $key

Key to delete.

Throws

Cake\Core\Exception\Exception
if attempting to clobber existing config

_configRead()source protected

_configRead( string|null $key )

Reads a config key.

Parameters

string|null $key

Key to read.

Returns

mixed

_configWrite()source protected

_configWrite( string|array $key , mixed $value , boolean|string $merge false )

Writes a config key.

Parameters

string|array $key

Key to write to.

mixed $value

Value to write.

boolean|string $merge optional false

True to merge recursively, 'shallow' for simple merge, false to overwrite, defaults to false.

Throws

Cake\Core\Exception\Exception
if attempting to clobber existing config

config()source public

config( string|array|null $key null , mixed|null $value null , boolean $merge true )

Gets/Sets the config.

Usage

Reading the whole config:

$this->config();

Reading a specific value:

$this->config('key');

Reading a nested value:

$this->config('some.nested.key');

Setting a specific value:

$this->config('key', $value);

Setting a nested value:

$this->config('some.nested.key', $value);

Updating multiple config settings at the same time:

$this->config(['one' => 'value', 'another' => 'value']);

Deprecated

3.4.0 use setConfig()/getConfig() instead.

Parameters

string|array|null $key optional null

The key to get/set, or a complete array of configs.

mixed|null $value optional null

The value to set.

boolean $merge optional true

Whether to recursively merge or overwrite existing config, defaults to true.

Returns

mixed
Config value being read, or the object itself on write operations.

Throws

Cake\Core\Exception\Exception
When trying to set a key that is invalid.

configShallow()source public

configShallow( string|array $key , mixed|null $value null )

Merge provided config with existing config. Unlike config() which does a recursive merge for nested keys, this method does a simple merge.

Setting a specific value:

$this->configShallow('key', $value);

Setting a nested value:

$this->configShallow('some.nested.key', $value);

Updating multiple config settings at the same time:

$this->configShallow(['one' => 'value', 'another' => 'value']);

Parameters

string|array $key

The key to set, or a complete array of configs.

mixed|null $value optional null

The value to set.

Returns

$this

getConfig()source public

getConfig( string|null $key null , mixed $default null )

Returns the config.

Usage

Reading the whole config:

$this->getConfig();

Reading a specific value:

$this->getConfig('key');

Reading a nested value:

$this->getConfig('some.nested.key');

Reading with default value:

$this->getConfig('some-key', 'default-value');

Parameters

string|null $key optional null

The key to get or null for the whole config.

mixed $default optional null

The return value when the key does not exist.

Returns

mixed
Config value being read.

setConfig()source public

setConfig( string|array $key , mixed|null $value null , boolean $merge true )

Sets the config.

Usage

Setting a specific value:

$this->setConfig('key', $value);

Setting a nested value:

$this->setConfig('some.nested.key', $value);

Updating multiple config settings at the same time:

$this->setConfig(['one' => 'value', 'another' => 'value']);

Parameters

string|array $key

The key to set, or a complete array of configs.

mixed|null $value optional null

The value to set.

boolean $merge optional true

Whether to recursively merge or overwrite existing config, defaults to true.

Returns

$this

Throws

Cake\Core\Exception\Exception
When trying to set a key that is invalid.

[
    'skipLog' => [],
    'log' => true,
    'trace' => false,
]