Slim\CallableResolver Class Reference

This class resolves a string of the format 'class:method' into a closure that can be dispatched. More...

Inheritance diagram for Slim\CallableResolver:

Collaboration diagram for Slim\CallableResolver:

Public Member Functions
	__construct (ContainerInterface $container)
	resolve ($toResolve)
	Resolve toResolve into a closure so that the router can dispatch. More...
	resolve ($toResolve)
	Invoke the resolved callable. More...

Data Fields
const	CALLABLE_PATTERN = '!^([^\:]+)\:([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)$!'

Protected Member Functions
	resolveCallable ($class, $method='__invoke')
	Check if string is something in the DIC that's callable or is a class name which has an __invoke() method. More...
	assertCallable ($callable)

Private Attributes
	$container

Detailed Description

This class resolves a string of the format 'class:method' into a closure that can be dispatched.

Definition at line 19 of file CallableResolver.php.

Constructor & Destructor Documentation

__construct()

Slim\CallableResolver::__construct

(

ContainerInterface

$container

)

Parameters

ContainerInterface

$container

Definition at line 31 of file CallableResolver.php.

    {
        $this->container = $container;
    }

References $container.

Member Function Documentation

assertCallable()

Slim\CallableResolver::assertCallable (   $callable )

protected

Parameters

Callable

$callable

Exceptions

RuntimeException if the callable is not resolvable

Definition at line 101 of file CallableResolver.php.

    {
        if (!is_callable($callable)) {
            throw new RuntimeException(sprintf(
                '%s is not resolvable',
                is_array($callable) || is_object($callable) ? json_encode($callable) : $callable
            ));
        }
    }

References sprintf.

resolve()

Slim\CallableResolver::resolve

(

$toResolve

)

Resolve toResolve into a closure so that the router can dispatch.

If toResolve is of the format 'class:method', then try to extract 'class' from the container otherwise instantiate it and then dispatch 'method'.

Parameters

mixed

$toResolve

Returns

callable

Exceptions

RuntimeException	if the callable does not exist
RuntimeException	if the callable is not resolvable

Implements Slim\Interfaces\CallableResolverInterface.

Definition at line 49 of file CallableResolver.php.

    {
        if (is_callable($toResolve)) {
            return $toResolve;
        }
 
        if (!is_string($toResolve)) {
            $this->assertCallable($toResolve);
        }
 
        // check for slim callable as "class:method"
        if (preg_match(self::CALLABLE_PATTERN, $toResolve, $matches)) {
            $resolved = $this->resolveCallable($matches[1], $matches[2]);
            $this->assertCallable($resolved);
 
            return $resolved;
        }
 
        $resolved = $this->resolveCallable($toResolve);
        $this->assertCallable($resolved);
 
        return $resolved;
    }

resolveCallable()

Slim\CallableResolver::resolveCallable (   $class,   $method = '__invoke'  )

protected

Check if string is something in the DIC that's callable or is a class name which has an __invoke() method.

Parameters

string	$class
string	$method

Returns

callable

Exceptions

RuntimeException if the callable does not exist

Definition at line 83 of file CallableResolver.php.

    {
        if ($this->container->has($class)) {
            return [$this->container->get($class), $method];
        }
 
        if (!class_exists($class)) {
            throw new RuntimeException(sprintf('Callable %s does not exist', $class));
        }
 
        return [new $class($this->container), $method];
    }

References sprintf.

Field Documentation

$container

Slim\CallableResolver::$container

private

Definition at line 26 of file CallableResolver.php.

CALLABLE_PATTERN

const Slim\CallableResolver::CALLABLE_PATTERN = '!^([^\:]+)\:([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)$!'

Definition at line 21 of file CallableResolver.php.

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

• libs/composer/vendor/slim/slim/Slim/CallableResolver.php