feat: Adds parameter typehints to ContainerInterface

This patch bumps the minimum supported PHP version to 7.2 and adds parameter typehints to ContainerInterface, as the first step towards adding explicit typehints based on the specification. See https://www.php-fig.org/blog/2019/10/upgrading-psr-interfaces/
php-fig · Jun 17, 2020 · 6c2bc7f · 6c2bc7f · XedinUnknown · Mar 4, 2021
1 parent fc1bc36
commit 6c2bc7f
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Showing 2 changed files with 6 additions and 4 deletions.
diff --git a/composer.json b/composer.json
@@ -12,7 +12,7 @@
         }
     ],
     "require": {
-        "php": ">=5.3.0"
+        "php": ">=7.2.0"
     },
     "autoload": {
         "psr-4": {
@@ -21,7 +21,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.0.x-dev"
+            "dev-master": "2.0.x-dev"
         }
     }
 }
diff --git a/src/ContainerInterface.php b/src/ContainerInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Psr\Container;
 
 /**
@@ -17,7 +19,7 @@ interface ContainerInterface
      *
      * @return mixed Entry.
      */
-    public function get($id);
+    public function get(string $id);
 
     /**
      * Returns true if the container can return an entry for the given identifier.
@@ -30,5 +32,5 @@ public function get($id);
      *
      * @return bool
      */
-    public function has($id);
+    public function has(string $id);
 }