Class CallbackCacheKeyProvider

Determines a request's cache key using a callback

Guzzle\Plugin\Cache\CallbackCacheKeyProvider implements Guzzle\Plugin\Cache\CacheKeyProviderInterface

Namespace: Guzzle\Plugin\Cache
Located at Guzzle/Plugin/Cache/CallbackCacheKeyProvider.php

Methods summary
`public`	# `__construct( Closure\|array\|mixed $callback )` Parameters `$callback` `Closure\|array\|mixed` $callback Callable method to invoke Throws `Guzzle\Common\Exception\InvalidArgumentException`
`public string`	# `getCacheKey( Guzzle\Http\Message\RequestInterface $request )` Returns a cache key for a request object Returns a cache key for a request object Parameters `$request` `Guzzle\Http\Message\RequestInterface` $request Request to generate a cache key for Returns `string` Implementation of `Guzzle\Plugin\Cache\CacheKeyProviderInterface::getCacheKey()`

Properties summary
`protected Closure\|array\|mixed`	`$callback`		# Callable method Callable method