Merge branch 'hotfix/106' into release-2.4

Close #106

Author: michalbundyra

CHANGELOG.md

@@ -2,6 +2,28 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
+## 2.4.2 - TBD
+
+### Added
+
+- Nothing.
+
+### Changed
+
+- Nothing.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- [#106](https://github.com/zendframework/zend-hydrator/pull/106) fixes PHP 7.4 compatibility.
+
 ## 2.4.1 - 2018-11-19
 
 ### Added

src/AbstractHydrator.php

@@ -85,17 +85,17 @@ public function getStrategy($name)
      */
     public function hasStrategy($name)
     {
-        if (array_key_exists($name, $this->strategies)) {
+        if ($this->strategies->offsetExists($name)) {
             return true;
         }
 
         if ($this->hasNamingStrategy()
-            && array_key_exists($this->getNamingStrategy()->hydrate($name), $this->strategies)
+            && $this->strategies->offsetExists($this->getNamingStrategy()->hydrate($name))
         ) {
             return true;
         }
 
-        return array_key_exists('*', $this->strategies);
+        return $this->strategies->offsetExists('*');
     }
 
     /**