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<?php
namespace Chadicus\Marvel\Api\Cache;
/**
* A PSR-16 implementation which does not save or store any data.
*/
abstract class AbstractCache
{
* Verifies the the given cache key is a legal value.
*
* @param mixed $key The cache key to validate.
* @return void
* @throws InvalidArgumentException Thrown if the $key string is not a legal value.
final protected function verifyKey($key)
if (!is_string($key) || $key === '') {
throw new InvalidArgumentException('$key must be a valid non-empty string');
}
* Verify a given $value is an instance of PSR-7 ResponseInterface.
* @param mixed $value The PSR-7 Response to cache.
* @throws InvalidArgumentException Thrown if $value is not a PSR-7 Response instance.
final protected function verifyValue($value)
if (!is_a($value, '\\Psr\\Http\\Message\\ResponseInterface')) {
throw new InvalidArgumentException('$value an instance of \\Psr\\Http\\Message\\ResponseInterface');
chadicus /
marvel-api-client
