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<?php

namespace Give\Container;

use ArrayAccess;
use Closure;
use Exception;
use Give\Container\Exceptions\BindingResolutionException;
use Give\Framework\Exceptions\Primitives\InvalidArgumentException;
use Give\Framework\Exceptions\Primitives\LogicException;
use ReflectionClass;
use ReflectionException;
use ReflectionParameter;

class Container implements ArrayAccess
{
    /**
     * An array of the types that have been resolved.
     *
     * @var bool[]
     */
    protected $resolved = [];

/**
     * The container's bindings.
     *
     * @var array[]
     */
    protected $bindings = [];

/**
     * The container's method bindings.
     *
     * @var Closure[]
     */
    protected $methodBindings = [];

/**
     * The container's shared instances.
     *
     * @var object[]
     */
    protected $instances = [];

/**
     * The registered type aliases.
     *
     * @var string[]
     */
    protected $aliases = [];

/**
     * The registered aliases keyed by the abstract name.
     *
     * @var array[]
     */
    protected $abstractAliases = [];

/**
     * The extension closures for services.
     *
     * @var array[]
     */
    protected $extenders = [];

/**
     * All of the registered tags.
     *
     * @var array[]
     */
    protected $tags = [];

/**
     * The stack of concretions currently being built.
     *
     * @var array[]
     */
    protected $buildStack = [];

/**
     * The parameter override stack.
     *
     * @var array[]
     */
    protected $with = [];

/**
     * All of the registered rebound callbacks.
     *
     * @var array[]
     */
    protected $reboundCallbacks = [];

/**
     * All of the global resolving callbacks.
     *
     * @var Closure[]
     */
    protected $globalResolvingCallbacks = [];

/**
     * All of the global after resolving callbacks.
     *
     * @var Closure[]
     */
    protected $globalAfterResolvingCallbacks = [];

/**
     * All of the resolving callbacks by class type.
     *
     * @var array[]
     */
    protected $resolvingCallbacks = [];

/**
     * All of the after resolving callbacks by class type.
     *
     * @var array[]
     */
    protected $afterResolvingCallbacks = [];

/**
     * Determine if the given abstract type has been bound.
     *
     * @param string $abstract
     *
     * @return bool
     */
    public function bound($abstract)
    {
        return isset($this->bindings[$abstract]) ||
               isset($this->instances[$abstract]) ||
               $this->isAlias($abstract);
    }

/**
     * Returns true if the container can return an entry for the given identifier.
     * Returns false otherwise.
     *
     * `has($id)` returning true does not mean that `get($id)` will not throw an exception.
     * It does however mean that `get($id)` will not throw a `NotFoundExceptionInterface`.
     *
     * @param string $id Identifier of the entry to look for.
     *
     * @return bool
     */
    public function has($id)
    {
        return $this->bound($id);
    }

/**
     * Determine if the given abstract type has been resolved.
     *
     * @param string $abstract
     *
     * @return bool
     */
    public function resolved($abstract)
    {
        if ($this->isAlias($abstract)) {
            $abstract = $this->getAlias($abstract);
        }

return isset($this->resolved[$abstract]) ||
               isset($this->instances[$abstract]);
    }

/**
     * Determine if a given type is shared.
     *
     * @param string $abstract
     *
     * @return bool
     */
    public function isShared($abstract)
    {
        return isset($this->instances[$abstract]) ||
               (isset($this->bindings[$abstract]['shared']) &&
                $this->bindings[$abstract]['shared'] === true);
    }

/**
     * Determine if a given string is an alias.
     *
     * @param string $name
     *
     * @return bool
     */
    public function isAlias($name)
    {
        return isset($this->aliases[$name]);
    }

/**
     * Register a binding with the container.
     *
     * @param string              $abstract
     * @param Closure|string|null $concrete
     * @param bool                $shared
     *
     * @return void
     */
    public function bind($abstract, $concrete = null, $shared = false)
    {
        $this->dropStaleInstances($abstract);

// If no concrete type was given, we will simply set the concrete type to the
        // abstract type. After that, the concrete type to be registered as shared
        // without being forced to state their classes in both of the parameters.
        if (is_null($concrete)) {
            $concrete = $abstract;
        }

// If the factory is not a Closure, it means it is just a class name which is
        // bound into this container to the abstract type and we will just wrap it
        // up inside its own Closure to give us more convenience when extending.
        if ( ! $concrete instanceof Closure) {
            $concrete = $this->getClosure($abstract, $concrete);
        }

$this->bindings[$abstract] = compact('concrete', 'shared');

// If the abstract type was already resolved in this container we'll fire the
        // rebound listener so that any objects which have already gotten resolved
        // can have their copy of the object updated via the listener callbacks.
        if ($this->resolved($abstract)) {
            $this->rebound($abstract);
        }
    }

/**
     * Get the Closure to be used when building a type.
     *
     * @param string $abstract
     * @param string $concrete
     *
     * @return Closure
     */
    protected function getClosure($abstract, $concrete)
    {
        return function ($container, $parameters = []) use ($abstract, $concrete) {
            if ($abstract == $concrete) {
                return $container->build($concrete);
            }

return $container->resolve(
                $concrete,
                $parameters,
                $raiseEvents = false
            );
        };
    }

/**
     * Determine if the container has a method binding.
     *
     * @param string $method
     *
     * @return bool
     */
    public function hasMethodBinding($method)
    {
        return isset($this->methodBindings[$method]);
    }

/**
     * Bind a callback to resolve with Container::call.
     *
     * @param array|string $method
     * @param Closure      $callback
     *
     * @return void
     */
    public function bindMethod($method, $callback)
    {
        $this->methodBindings[$this->parseBindMethod($method)] = $callback;
    }

/**
     * Get the method to be bound in class@method format.
     *
     * @param array|string $method
     *
     * @return string
     */
    protected function parseBindMethod($method)
    {
        if (is_array($method)) {
            return $method[0] . '@' . $method[1];
        }

return $method;
    }

/**
     * Get the method binding for the given method.
     *
     * @param string $method
     * @param mixed  $instance
     *
     * @return mixed
     */
    public function callMethodBinding($method, $instance)
    {
        return call_user_func($this->methodBindings[$method], $instance, $this);
    }

/**
     * Register a binding if it hasn't already been registered.
     *
     * @param string              $abstract
     * @param Closure|string|null $concrete
     * @param bool                $shared
     *
     * @return void
     */
    public function bindIf($abstract, $concrete = null, $shared = false)
    {
        if ( ! $this->bound($abstract)) {
            $this->bind($abstract, $concrete, $shared);
        }
    }

/**
     * Register a shared binding in the container.
     *
     * @param string              $abstract
     * @param Closure|string|null $concrete
     *
     * @return void
     */
    public function singleton($abstract, $concrete = null)
    {
        $this->bind($abstract, $concrete, true);
    }

/**
     * Register a shared binding if it hasn't already been registered.
     *
     * @param string              $abstract
     * @param Closure|string|null $concrete
     *
     * @return void
     */
    public function singletonIf($abstract, $concrete = null)
    {
        if ( ! $this->bound($abstract)) {
            $this->singleton($abstract, $concrete);
        }
    }

/**
     * "Extend" an abstract type in the container.
     *
     * @param string  $abstract
     * @param Closure $closure
     *
     * @return void
     *
     * @throws \InvalidArgumentException
     */
    public function extend($abstract, Closure $closure)
    {
        $abstract = $this->getAlias($abstract);

if (isset($this->instances[$abstract])) {
            $this->instances[$abstract] = $closure($this->instances[$abstract], $this);

$this->rebound($abstract);
        } else {
            $this->extenders[$abstract][] = $closure;

if ($this->resolved($abstract)) {
                $this->rebound($abstract);
            }
        }
    }

/**
     * Register an existing instance as shared in the container.
     *
     * @param string $abstract
     * @param mixed  $instance
     *
     * @return mixed
     */
    public function instance($abstract, $instance)
    {
        $this->removeAbstractAlias($abstract);

$isBound = $this->bound($abstract);

unset($this->aliases[$abstract]);

// We'll check to determine if this type has been bound before, and if it has
        // we will fire the rebound callbacks registered with the container and it
        // can be updated with consuming classes that have gotten resolved here.
        $this->instances[$abstract] = $instance;

if ($isBound) {
            $this->rebound($abstract);
        }

return $instance;
    }

/**
     * Remove an alias from the contextual binding alias cache.
     *
     * @param string $searched
     *
     * @return void
     */
    protected function removeAbstractAlias($searched)
    {
        if ( ! isset($this->aliases[$searched])) {
            return;
        }

foreach ($this->abstractAliases as $abstract => $aliases) {
            foreach ($aliases as $index => $alias) {
                if ($alias == $searched) {
                    unset($this->abstractAliases[$abstract][$index]);
                }
            }
        }
    }

/**
     * Assign a set of tags to a given binding.
     *
     * @param array|string $abstracts
     * @param array|mixed  ...$tags
     *
     * @return void
     */
    public function tag($abstracts, $tags)
    {
        $tags = is_array($tags) ? $tags : array_slice(func_get_args(), 1);

foreach ($tags as $tag) {
            if ( ! isset($this->tags[$tag])) {
                $this->tags[$tag] = [];
            }

foreach ((array)$abstracts as $abstract) {
                $this->tags[$tag][] = $abstract;
            }
        }
    }

/**
     * Alias a type to a different name.
     *
     * @param string $abstract
     * @param string $alias
     *
     * @return void
     *
     * @throws LogicException
     */
    public function alias($abstract, $alias)
    {
        if ($alias === $abstract) {
            throw new LogicException("[{$abstract}] is aliased to itself.");
        }

$this->aliases[$alias] = $abstract;

$this->abstractAliases[$abstract][] = $alias;
    }

/**
     * Bind a new callback to an abstract's rebind event.
     *
     * @param string  $abstract
     * @param Closure $callback
     *
     * @return mixed
     */
    public function rebinding($abstract, Closure $callback)
    {
        $this->reboundCallbacks[$abstract = $this->getAlias($abstract)][] = $callback;

if ($this->bound($abstract)) {
            return $this->make($abstract);
        }

return null;
    }

/**
     * Refresh an instance on the given target and method.
     *
     * @param string $abstract
     * @param mixed  $target
     * @param string $method
     *
     * @return mixed
     */
    public function refresh($abstract, $target, $method)
    {
        return $this->rebinding(
            $abstract,
            function ($app, $instance) use ($target, $method) {
                $target->{$method}($instance);
            }
        );
    }

/**
     * Fire the "rebound" callbacks for the given abstract type.
     *
     * @param string $abstract
     *
     * @return void
     */
    protected function rebound($abstract)
    {
        $instance = $this->make($abstract);

foreach ($this->getReboundCallbacks($abstract) as $callback) {
            $callback($this, $instance);
        }
    }

/**
     * Get the rebound callbacks for a given type.
     *
     * @param string $abstract
     *
     * @return array
     */
    protected function getReboundCallbacks($abstract)
    {
        return isset($this->reboundCallbacks[$abstract]) ? $this->reboundCallbacks[$abstract] : [];
    }

/**
     * Get a closure to resolve the given type from the container.
     *
     * @param string $abstract
     *
     * @return Closure
     */
    public function factory($abstract)
    {
        return function () use ($abstract) {
            return $this->make($abstract);
        };
    }

/**
     * Resolve the given type from the container.
     *
     * @param string $abstract
     * @param array  $parameters
     *
     * @return mixed
     */
    public function make($abstract, array $parameters = [])
    {
        return $this->resolve($abstract, $parameters);
    }

/**
     * Finds an entry of the container by its identifier and returns it.
     *
     * @param string $id Identifier of the entry to look for.
     *
     * @return mixed Entry.
     * @throws InvalidArgumentException|BindingResolutionException
     */
    public function get($id)
    {
        try {
            return $this->resolve($id);
        } catch (Exception $e) {
            if ($this->has($id)) {
                throw $e;
            }

throw new InvalidArgumentException($id, $e->getCode(), $e);
        }
    }

/**
     * Resolve the given type from the container.
     *
     * @param string $abstract
     * @param array  $parameters
     * @param bool   $raiseEvents
     *
     * @return mixed
     * @throws BindingResolutionException
     */
    protected function resolve($abstract, $parameters = [], $raiseEvents = true)
    {
        $abstract = $this->getAlias($abstract);

$concrete = null;

$needsContextualBuild = false;

// If an instance of the type is currently being managed as a singleton we'll
        // just return an existing instance instead of instantiating new instances
        // so the developer can keep using the same objects instance every time.
        if (isset($this->instances[$abstract]) && ! $needsContextualBuild) {
            return $this->instances[$abstract];
        }

$this->with[] = $parameters;

if (is_null($concrete)) {
            $concrete = $this->getConcrete($abstract);
        }

// We're ready to instantiate an instance of the concrete type registered for
        // the binding. This will instantiate the types, as well as resolve any of
        // its "nested" dependencies recursively until all have gotten resolved.
        if ($this->isBuildable($concrete, $abstract)) {
            $object = $this->build($concrete);
        } else {
            $object = $this->make($concrete);
        }

// If we defined any extenders for this type, we'll need to spin through them
        // and apply them to the object being built. This allows for the extension
        // of services, such as changing configuration or decorating the object.
        foreach ($this->getExtenders($abstract) as $extender) {
            $object = $extender($object, $this);
        }

// If the requested type is registered as a singleton we'll want to cache off
        // the instances in "memory" so we can return it later without creating an
        // entirely new instance of an object on each subsequent request for it.
        if ($this->isShared($abstract)) {
            $this->instances[$abstract] = $object;
        }

if ($raiseEvents) {
            $this->fireResolvingCallbacks($abstract, $object);
        }

// Before returning, we will also set the resolved flag to "true" and pop off
        // the parameter overrides for this build. After those two things are done
        // we will be ready to return back the fully constructed class instance.
        $this->resolved[$abstract] = true;

array_pop($this->with);

return $object;
    }

/**
     * Get the concrete type for a given abstract.
     *
     * @param string $abstract
     *
     * @return mixed
     */
    protected function getConcrete($abstract)
    {
        // If we don't have a registered resolver or concrete for the type, we'll just
        // assume each type is a concrete name and will attempt to resolve it as is
        // since the container should be able to resolve concretes automatically.
        if (isset($this->bindings[$abstract])) {
            return $this->bindings[$abstract]['concrete'];
        }

return $abstract;
    }

/**
     * Determine if the given concrete is buildable.
     *
     * @param mixed  $concrete
     * @param string $abstract
     *
     * @return bool
     */
    protected function isBuildable($concrete, $abstract)
    {
        return $concrete === $abstract || $concrete instanceof Closure;
    }

/**
     * Instantiate a concrete instance of the given type.
     *
     * @param Closure|string $concrete
     *
     * @return mixed
     * @throws BindingResolutionException
     * @throws ReflectionException
     */
    public function build($concrete)
    {
        // If the concrete type is actually a Closure, we will just execute it and
        // hand back the results of the functions, which allows functions to be
        // used as resolvers for more fine-tuned resolution of these objects.
        if ($concrete instanceof Closure) {
            return $concrete($this, $this->getLastParameterOverride());
        }

try {
            $reflector = new ReflectionClass($concrete);
        } catch (ReflectionException $e) {
            throw new InvalidArgumentException("Target class [$concrete] does not exist.", 0, $e);
        }

// If the type is not instantiable, the developer is attempting to resolve
        // an abstract type such as an Interface or Abstract Class and there is
        // no binding registered for the abstractions so we need to bail out.
        if ( ! $reflector->isInstantiable()) {
            $this->notInstantiable($concrete);
        }

$this->buildStack[] = $concrete;

$constructor = $reflector->getConstructor();

// If there are no constructors, that means there are no dependencies then
        // we can just resolve the instances of the objects right away, without
        // resolving any other types or dependencies out of these containers.
        if (is_null($constructor)) {
            array_pop($this->buildStack);

return new $concrete;
        }

$dependencies = $constructor->getParameters();

// Once we have all the constructor's parameters we can create each of the
        // dependency instances and then use the reflection instances to make a
        // new instance of this class, injecting the created dependencies in.
        try {
            $instances = $this->resolveDependencies($dependencies);
        } catch (BindingResolutionException $e) {
            array_pop($this->buildStack);

throw $e;
        }

array_pop($this->buildStack);

return $reflector->newInstanceArgs($instances);
    }

/**
     * Resolve all of the dependencies from the ReflectionParameters.
     *
     * @param array $dependencies
     *
     * @return array
     * @throws BindingResolutionException
     * @throws ReflectionException
     */
    protected function resolveDependencies(array $dependencies)
    {
        $results = [];

foreach ($dependencies as $dependency) {
            // If this dependency has a override for this particular build we will use
            // that instead as the value. Otherwise, we will continue with this run
            // of resolutions and let reflection attempt to determine the result.
            if ($this->hasParameterOverride($dependency)) {
                $results[] = $this->getParameterOverride($dependency);

continue;
            }

$name = $this->getParameterClassName($dependency);

// If the class is null, it means the dependency is a string or some other
            // primitive type which we can not resolve since it is not a class and
            // we will just bomb out with an error since we have no-where to go.
            $result = is_null($name)
                ? $this->resolvePrimitive($dependency)
                : $this->resolveClass($dependency);

if ($dependency->isVariadic()) {
                array_push($results, ...$result);
            } else {
                $results[] = $result;
            }
        }

return $results;
    }

/**
     * Determine if the given dependency has a parameter override.
     *
     * @param ReflectionParameter $dependency
     *
     * @return bool
     */
    protected function hasParameterOverride($dependency)
    {
        return array_key_exists(
            $dependency->name,
            $this->getLastParameterOverride()
        );
    }

/**
     * Get a parameter override for a dependency.
     *
     * @param ReflectionParameter $dependency
     *
     * @return mixed
     */
    protected function getParameterOverride($dependency)
    {
        return $this->getLastParameterOverride()[$dependency->name];
    }

/**
     * Get the last parameter override.
     *
     * @return array
     */
    protected function getLastParameterOverride()
    {
        return count($this->with) ? end($this->with) : [];
    }

/**
     * Resolve a non-class hinted primitive dependency.
     *
     * @param ReflectionParameter $parameter
     *
     * @return mixed
     * @throws ReflectionException
     */
    protected function resolvePrimitive(ReflectionParameter $parameter)
    {
        if ($parameter->isDefaultValueAvailable()) {
            return $parameter->getDefaultValue();
        }

$this->unresolvablePrimitive($parameter);

return null;
    }

/**
     * Resolve a class based dependency from the container.
     *
     * @param ReflectionParameter $parameter
     *
     * @return mixed
     * @throws BindingResolutionException
     * @throws ReflectionException
     */
    protected function resolveClass(ReflectionParameter $parameter)
    {
        try {
            $class = $this->getParameterClassName($parameter);

if (is_null($class)) {
                throw new BindingResolutionException();
            }

return $this->make($class);
        }

// If we can not resolve the class instance, we will check to see if the value
            // is optional, and if it is we will return the optional parameter value as
            // the value of the dependency, similarly to how we do this with scalars.
        catch (BindingResolutionException $e) {
            if ($parameter->isDefaultValueAvailable()) {
                return $parameter->getDefaultValue();
            }

if ($parameter->isVariadic()) {
                return [];
            }

throw $e;
        }
    }

/**
     * Throw an exception that the concrete is not instantiable.
     *
     * @param string $concrete
     *
     * @return void
     * @throws BindingResolutionException
     */
    protected function notInstantiable($concrete)
    {
        if ( ! empty($this->buildStack)) {
            $previous = implode(', ', $this->buildStack);

$message = "Target [$concrete] is not instantiable while building [$previous].";
        } else {
            $message = "Target [$concrete] is not instantiable.";
        }

throw new BindingResolutionException($message);
    }

/**
     * Throw an exception for an unresolvable primitive.
     *
     * @param ReflectionParameter $parameter
     *
     * @return void
     * @throws BindingResolutionException
     */
    protected function unresolvablePrimitive(ReflectionParameter $parameter)
    {
        $message = "Unresolvable dependency resolving [$parameter] in class {$parameter->getDeclaringClass()->getName()}";

throw new BindingResolutionException($message);
    }

/**
     * Register a new resolving callback.
     *
     * @param Closure|string $abstract
     * @param Closure|null   $callback
     *
     * @return void
     */
    public function resolving($abstract, Closure $callback = null)
    {
        if (is_string($abstract)) {
            $abstract = $this->getAlias($abstract);
        }

if (is_null($callback) && $abstract instanceof Closure) {
            $this->globalResolvingCallbacks[] = $abstract;
        } else {
            $this->resolvingCallbacks[$abstract][] = $callback;
        }
    }

/**
     * Register a new after resolving callback for all types.
     *
     * @param Closure|string $abstract
     * @param Closure|null   $callback
     *
     * @return void
     */
    public function afterResolving($abstract, Closure $callback = null)
    {
        if (is_string($abstract)) {
            $abstract = $this->getAlias($abstract);
        }

if ($abstract instanceof Closure && is_null($callback)) {
            $this->globalAfterResolvingCallbacks[] = $abstract;
        } else {
            $this->afterResolvingCallbacks[$abstract][] = $callback;
        }
    }

/**
     * Fire all of the resolving callbacks.
     *
     * @param string $abstract
     * @param mixed  $object
     *
     * @return void
     */
    protected function fireResolvingCallbacks($abstract, $object)
    {
        $this->fireCallbackArray($object, $this->globalResolvingCallbacks);

$this->fireCallbackArray(
            $object,
            $this->getCallbacksForType($abstract, $object, $this->resolvingCallbacks)
        );

$this->fireAfterResolvingCallbacks($abstract, $object);
    }

/**
     * Fire all of the after resolving callbacks.
     *
     * @param string $abstract
     * @param mixed  $object
     *
     * @return void
     */
    protected function fireAfterResolvingCallbacks($abstract, $object)
    {
        $this->fireCallbackArray($object, $this->globalAfterResolvingCallbacks);

$this->fireCallbackArray(
            $object,
            $this->getCallbacksForType($abstract, $object, $this->afterResolvingCallbacks)
        );
    }

/**
     * Get all callbacks for a given type.
     *
     * @param string $abstract
     * @param object $object
     * @param array  $callbacksPerType
     *
     * @return array
     */
    protected function getCallbacksForType($abstract, $object, array $callbacksPerType)
    {
        $results = [];

foreach ($callbacksPerType as $type => $callbacks) {
            if ($type === $abstract || $object instanceof $type) {
                array_push($results, ...$callbacks);
            }
        }

return $results;
    }

/**
     * Fire an array of callbacks with an object.
     *
     * @param mixed $object
     * @param array $callbacks
     *
     * @return void
     */
    protected function fireCallbackArray($object, array $callbacks)
    {
        foreach ($callbacks as $callback) {
            $callback($object, $this);
        }
    }

/**
     * Retrieves the class name of a given parameter with respect to the PHP version
     *
     * @param ReflectionParameter $parameter
     *
     * @return string
     */
    protected function getParameterClassName(ReflectionParameter $parameter)
    {
        // Use ReflectionParameter::getClass() prior to its replacement in PHP 7.1
        if (version_compare(PHP_VERSION, '7.1', '<')) {
            $class = $parameter->getClass();

return $class ? $class->name : null;
        }

return $parameter->hasType() ? $parameter->getType()->getName() : null;
    }

/**
     * Get the container's bindings.
     *
     * @return array
     */
    public function getBindings()
    {
        return $this->bindings;
    }

/**
     * Get the alias for an abstract if available.
     *
     * @param string $abstract
     *
     * @return string
     */
    public function getAlias($abstract)
    {
        if ( ! isset($this->aliases[$abstract])) {
            return $abstract;
        }

return $this->getAlias($this->aliases[$abstract]);
    }

/**
     * Get the extender callbacks for a given type.
     *
     * @param string $abstract
     *
     * @return array
     */
    protected function getExtenders($abstract)
    {
        $abstract = $this->getAlias($abstract);

return isset($this->extenders[$abstract]) ? $this->extenders[$abstract] : [];
    }

/**
     * Remove all of the extender callbacks for a given type.
     *
     * @param string $abstract
     *
     * @return void
     */
    public function forgetExtenders($abstract)
    {
        unset($this->extenders[$this->getAlias($abstract)]);
    }

/**
     * Drop all of the stale instances and aliases.
     *
     * @param string $abstract
     *
     * @return void
     */
    protected function dropStaleInstances($abstract)
    {
        unset($this->instances[$abstract], $this->aliases[$abstract]);
    }

/**
     * Remove a resolved instance from the instance cache.
     *
     * @param string $abstract
     *
     * @return void
     */
    public function forgetInstance($abstract)
    {
        unset($this->instances[$abstract]);
    }

/**
     * Clear all of the instances from the container.
     *
     * @return void
     */
    public function forgetInstances()
    {
        $this->instances = [];
    }

/**
     * Flush the container of all bindings and resolved instances.
     *
     * @return void
     */
    public function flush()
    {
        $this->aliases = [];
        $this->resolved = [];
        $this->bindings = [];
        $this->instances = [];
        $this->abstractAliases = [];
    }

/**
     * Determine if a given offset exists.
     *
     * @param string $key
     *
     * @return bool
     */
    public function offsetExists($key)
    {
        return $this->bound($key);
    }

/**
     * Get the value at a given offset.
     *
     * @param string $key
     *
     * @return mixed
     */
    public function offsetGet($key)
    {
        return $this->make($key);
    }

/**
     * Set the value at a given offset.
     *
     * @param string $key
     * @param mixed  $value
     *
     * @return void
     */
    public function offsetSet($key, $value)
    {
        $this->bind(
            $key,
            $value instanceof Closure ? $value : function () use ($value) {
                return $value;
            }
        );
    }

/**
     * Unset the value at a given offset.
     *
     * @param string $key
     *
     * @return void
     */
    public function offsetUnset($key)
    {
        unset($this->bindings[$key], $this->instances[$key], $this->resolved[$key]);
    }

/**
     * Dynamically access container services.
     *
     * @param string $key
     *
     * @return mixed
     */
    public function __get($key)
    {
        return $this[$key];
    }

/**
     * Dynamically set container services.
     *
     * @param string $key
     * @param mixed  $value
     *
     * @return void
     */
    public function __set($key, $value)
    {
        $this[$key] = $value;
    }

/**
     * Checks to see if the key exists.
     *
     * @param $key
     *
     * @return bool
     */
    public function __isset($key)
    {
        return isset($this[$key]);
    }
}

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⬅ Naik ke src 2 item

Nama	Tipe	Ukuran	Diubah	Aksi
📁Exceptions	dir	—	2022-11-29 18:00	📂 Buka
🐘Container.php	php	31.6 KB	2022-11-29 18:00	✏️ Edit 👁️ View