Method created to find the key's value of an Enum and too its test

Author: VitorBrangioni

src/Enum.php

@@ -165,6 +165,17 @@ public static function search($value)
         return array_search($value, static::toArray(), true);
     }
 
+    /**
+     * Returns the key's value
+     *
+     * @param $key
+     * @return mixed
+     */
+    public static function findValue($key)
+    {
+        return static::toArray()[$key] ?? null;
+    }
+
     /**
      * Returns a value when called statically like so: MyEnum::SOME_VALUE() given SOME_VALUE is a class constant
      *

tests/EnumTest.php

@@ -189,6 +189,18 @@ public function testIsValidKey()
         $this->assertFalse(EnumFixture::isValidKey('BAZ'));
     }
 
+    /**
+     * findValue($key)
+     */
+    public function testFindValue()
+    {
+        $enums = EnumFixture::toArray();
+
+        foreach ($enums as $key => $value) {
+            $this->assertEquals($value, EnumFixture::findValue($key));
+        }
+    }
+
     /**
      * search()
      * @see https://github.com/myclabs/php-enum/issues/13