Slim\Handlers\AbstractHandler Class Reference

Abstract Slim application handler. More...

Inheritance diagram for Slim\Handlers\AbstractHandler:

Collaboration diagram for Slim\Handlers\AbstractHandler:

Protected Member Functions
	determineContentType (ServerRequestInterface $request)
	Determine which content type we know about is wanted using Accept header. More...

Protected Attributes
	$knownContentTypes

Detailed Description

Abstract Slim application handler.

Definition at line 16 of file AbstractHandler.php.

Member Function Documentation

determineContentType()

Slim\Handlers\AbstractHandler::determineContentType ( ServerRequestInterface  $request )

protected

Determine which content type we know about is wanted using Accept header.

Note: This method is a bare-bones implementation designed specifically for Slim's error handling requirements. Consider a fully-feature solution such as willdurand/negotiation for any other situation.

Parameters

ServerRequestInterface

$request

Returns

string

Definition at line 40 of file AbstractHandler.php.

    {
        $acceptHeader = $request->getHeaderLine('Accept');
        $selectedContentTypes = array_intersect(explode(',', $acceptHeader), $this->knownContentTypes);
 
        if (count($selectedContentTypes)) {
            return current($selectedContentTypes);
        }
 
        // handle +json and +xml specially
        if (preg_match('/\+(json|xml)/', $acceptHeader, $matches)) {
            $mediaType = 'application/' . $matches[1];
            if (in_array($mediaType, $this->knownContentTypes)) {
                return $mediaType;
            }
        }
 
        return 'text/html';
    }

References Psr\Http\Message\MessageInterface\getHeaderLine().

Referenced by Slim\Handlers\NotFound\__invoke(), Slim\Handlers\Error\__invoke(), Slim\Handlers\PhpError\__invoke(), and Slim\Handlers\NotAllowed\__invoke().

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Field Documentation

$knownContentTypes

Slim\Handlers\AbstractHandler::$knownContentTypes

protected

Initial value:

= [
        'application/json',
        'application/xml',
        'text/xml',
        'text/html',
    ]

Definition at line 23 of file AbstractHandler.php.

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The documentation for this class was generated from the following file:

• libs/composer/vendor/slim/slim/Slim/Handlers/AbstractHandler.php