added helper arrayUnset

Author: emsifa

src/Helper.php

@@ -158,6 +158,36 @@ public static function arraySet(&$target, $key, $value, $overwrite = true)
         return $target;
     }
 
+
+    /**
+     * Unset an item on an array or object using dot notation.
+     *
+     * @param  mixed  $target
+     * @param  string|array  $key
+     * @return mixed
+     */
+    public static function arrayUnset(&$target, $key)
+    {
+        if (!is_array($target)) {
+            return $target;
+        }
+
+        $segments = is_array($key) ? $key : explode('.', $key);
+        $segment = array_shift($segments);
+
+        if ($segment == '*') {
+            $target = [];
+        } elseif ($segments) {
+            if (array_key_exists($segment, $target)) {
+                static::arrayUnset($target[$segment], $segments);
+            }
+        } elseif (array_key_exists($segment, $target)) {
+            unset($target[$segment]);
+        }
+
+        return $target;
+    }
+
     /**
      * Get snake_case format from given string
      *
@@ -171,7 +201,7 @@ public static function snakeCase($value, $delimiter = '_')
             $value = preg_replace('/\s+/u', '', ucwords($value));
             $value = strtolower(preg_replace('/(.)(?=[A-Z])/u', '$1'.$delimiter, $value));
         }
-        
+
         return $value;
     }
 

tests/HelperTest.php

@@ -42,7 +42,7 @@ public function testArrayGet()
         $this->assertEquals(Helper::arrayGet($array, 'foo.bar'), $array['foo']['bar']);
         $this->assertEquals(Helper::arrayGet($array, 'foo.bar.baz'), $array['foo']['bar']['baz']);
         $this->assertEquals(Helper::arrayGet($array, 'one.two.three'), 123);
-        
+
         $this->assertNull(Helper::arrayGet($array, 'foo.bar.baz.qux'));
         $this->assertNull(Helper::arrayGet($array, 'one.two'));
     }
@@ -89,7 +89,7 @@ public function testArraySet()
 
         Helper::arraySet($array, 'comments.*.id', null, false);
         Helper::arraySet($array, 'comments.*.x.y', 1, false);
-        
+
         $this->assertEquals($array, [
             'comments' => [
                 ['id' => null, 'text' => 'foo', 'x' => ['y' => 1]],
@@ -99,4 +99,34 @@ public function testArraySet()
         ]);
     }
 
+    public function testArrayUnset()
+    {
+        $array = [
+            'users' => [
+                'one' => 'user_one',
+                'two' => 'user_two',
+            ],
+            'stuffs' => [1, 'two', ['three'], null, false, true],
+            'message' => "lorem ipsum",
+        ];
+
+        Helper::arrayUnset($array, 'users.one');
+        $this->assertEquals($array, [
+            'users' => [
+                'two' => 'user_two',
+            ],
+            'stuffs' => [1, 'two', ['three'], null, false, true],
+            'message' => "lorem ipsum",
+        ]);
+
+        Helper::arrayUnset($array, 'stuffs.*');
+        $this->assertEquals($array, [
+            'users' => [
+                'two' => 'user_two',
+            ],
+            'stuffs' => [],
+            'message' => "lorem ipsum",
+        ]);
+    }
+
 }