Update to PHP 8.0 and PHP 8-compatible types.

Author: Pinterest Product Design Ideas

composer.json

@@ -10,7 +10,7 @@
  }
  ],
  "require": {
- "php": ">=5.3.0"
+ "php": ">=8.0.0"
  },
  "autoload": {
  "psr-4": {

src/CacheException.php

@@ -5,6 +5,6 @@
 /**
  * Exception interface for all exceptions thrown by an Implementing Library.
  */
-interface CacheException
+interface CacheException extends \Throwable
 {
 }

src/CacheItemInterface.php

@@ -72,12 +72,12 @@ public function isHit();
  * @return static
  * The invoked object.
  */
- public function set($value);
+ public function set(mixed $value);
 
  /**
  * Sets the expiration time for this cache item.
  *
- * @param \DateTimeInterface|null $expiration
+ * @param ?\DateTimeInterface $expiration
  * The point in time after which the item MUST be considered expired.
  * If null is passed explicitly, a default value MAY be used. If none is set,
  * the value should be stored permanently or for as long as the
@@ -86,7 +86,7 @@ public function set($value);
  * @return static
  * The called object.
  */
- public function expiresAt($expiration);
+ public function expiresAt(?\DateTimeInterface $expiration);
 
  /**
  * Sets the expiration time for this cache item.
@@ -101,5 +101,5 @@ public function expiresAt($expiration);
  * @return static
  * The called object.
  */
- public function expiresAfter($time);
+ public function expiresAfter(int|\DateInterval|null $time);
 }

src/CacheItemPoolInterface.php

@@ -29,7 +29,7 @@ interface CacheItemPoolInterface
  * @return CacheItemInterface
  * The corresponding Cache Item.
  */
- public function getItem($key);
+ public function getItem(string $key);
 
  /**
  * Returns a traversable set of cache items.
@@ -47,7 +47,7 @@ public function getItem($key);
  * key is not found. However, if no keys are specified then an empty
  * traversable MUST be returned instead.
  */
- public function getItems(array $keys = array());
+ public function getItems(array $keys = []);
 
  /**
  * Confirms if the cache contains specified cache item.
@@ -66,7 +66,7 @@ public function getItems(array $keys = array());
  * @return bool
  * True if item exists in the cache, false otherwise.
  */
- public function hasItem($key);
+ public function hasItem(string $key);
 
  /**
  * Deletes all items in the pool.
@@ -89,7 +89,7 @@ public function clear();
  * @return bool
  * True if the item was successfully removed. False if there was an error.
  */
- public function deleteItem($key);
+ public function deleteItem(string $key);
 
  /**
  * Removes multiple items from the pool.