Add static values() method to return array of all Enum instances (fixes #18)

Author: chriseskow

README.md

@@ -62,6 +62,7 @@ Static methods:
 
 - `toArray()` method Returns all possible values as an array (constant name in key, constant value in value)
 - `keys()` Returns the names (keys) of all constants in the Enum class
+- `values()` Returns instances of the Enum class of all Enum constants (constant name in key, Enum instance in value)
 - `isValid()` Check if tested value is valid on enum set
 - `isValidKey()` Check if tested key is valid on enum set
 - `search()` Return key for searched value

src/Enum.php

@@ -83,6 +83,18 @@ public static function keys()
         return array_keys(self::toArray());
     }
 
+    /**
+     * Returns instances of the Enum class of all Enum constants
+     *
+     * @return array Constant name in key, Enum instance in value
+     */
+    public static function values()
+    {
+        return array_map(function ($value) {
+            return new static($value);
+        }, self::toArray());
+    }
+
     /**
      * Returns all possible values as an array
      *

tests/EnumTest.php

@@ -98,6 +98,25 @@ public function testKeys()
         $this->assertSame($expectedValues, $values);
     }
 
+    /**
+     * values()
+     */
+    public function testValues()
+    {
+        $values = EnumFixture::values();
+        $expectedValues = array(
+            "FOO"                       => new EnumFixture(EnumFixture::FOO),
+            "BAR"                       => new EnumFixture(EnumFixture::BAR),
+            "NUMBER"                    => new EnumFixture(EnumFixture::NUMBER),
+            "PROBLEMATIC_NUMBER"        => new EnumFixture(EnumFixture::PROBLEMATIC_NUMBER),
+            "PROBLEMATIC_NULL"          => new EnumFixture(EnumFixture::PROBLEMATIC_NULL),
+            "PROBLEMATIC_EMPTY_STRING"  => new EnumFixture(EnumFixture::PROBLEMATIC_EMPTY_STRING),
+            "PROBLEMATIC_BOOLEAN_FALSE" => new EnumFixture(EnumFixture::PROBLEMATIC_BOOLEAN_FALSE),
+        );
+
+        $this->assertEquals($expectedValues, $values);
+    }
+
     /**
      * toArray()
      */