pr changes

Author: James Galecki

.gitignore

@@ -1,6 +1,5 @@
 /coverage/
 /vendor/
 clover.xml
-/nbproject/private
 composer.lock
 phpunit.xml

README.md

@@ -10,7 +10,7 @@ A PHP library for memoizing repeated function calls.
 [![License](http://img.shields.io/packagist/l/traderinteractive/memoize.svg?style=flat)](https://packagist.org/packages/traderinteractive/memoize)
 
 ## Requirements
-This library requires PHP 5.4, or newer.
+This library requires PHP 7.0, or newer.
 
 ## Installation
 This package uses [composer](https://getcomposer.org) so you can just add

src/Memoize.php

@@ -13,5 +13,5 @@ interface Memoize
      *
      * @return mixed The data requested, optionally pulled from cache
      */
-    public function memoizeCallable($key, $compute, $cacheTime = null);
+    public function memoizeCallable(string $key, callable $compute, int $cacheTime = null);
 }

src/Memory.php

@@ -18,8 +18,14 @@ class Memory implements Memoize
      * $cacheTime is ignored - this will keep the results around for the lifetime of this instance.
      *
      * @see Memoize::memoizeCallable
+     *
+     * @param string   $key
+     * @param callable $compute
+     * @param int|null $cacheTime
+     *
+     * @return mixed
      */
-    public function memoizeCallable($key, $compute, $cacheTime = null)
+    public function memoizeCallable(string $key, callable $compute, int $cacheTime = null)
     {
         if (array_key_exists($key, $this->cache)) {
             return $this->cache[$key];

src/Never.php

@@ -12,8 +12,14 @@ class Never implements Memoize
      * $cacheTime and $key are ignored - this always calls $compute.
      *
      * @see Memoize::memoizeCallable
+     *
+     * @param string   $key
+     * @param callable $compute
+     * @param int|null $cacheTime
+     *
+     * @return mixed
      */
-    public function memoizeCallable($key, $compute, $cacheTime = null)
+    public function memoizeCallable(string $key, callable $compute, int $cacheTime = null)
     {
         return call_user_func($compute);
     }

src/Predis.php

@@ -40,8 +40,14 @@ public function __construct(Client $client, bool $refresh = false)
      * so make sure that the value you return from $compute is json-encode-able.
      *
      * @see Memoize::memoizeCallable
+     *
+     * @param string   $key
+     * @param callable $compute
+     * @param int|null $cacheTime
+     *
+     * @return mixed
      */
-    public function memoizeCallable($key, $compute, $cacheTime = null)
+    public function memoizeCallable(string $key, callable $compute, int $cacheTime = null)
     {
         if (!$this->refresh) {
             try {