From 349a1e998d20100f45dac9a26f6c2c5d963ea2ee Mon Sep 17 00:00:00 2001
From: Lito <lito@eordes.com>
Date: Sat, 5 May 2018 14:11:07 +0200
Subject: [PATCH] Added unset option to remove previous values

---
 README.md                          |  8 ++++++++
 src/Eusonlito/LaravelMeta/Meta.php | 24 ++++++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/README.md b/README.md
index c6d5f97..e2bdaef 100644
--- a/README.md
+++ b/README.md
@@ -68,6 +68,9 @@ abstract class Controller extends BaseController
 
         # Default robots
         Meta::set('robots', 'index,follow');
+
+        # Default image
+        Meta::set('image', asset('images/logo.png'));
     }
 }
 ```
@@ -96,6 +99,11 @@ class HomeController extends Controller
         # Section description
         Meta::set('title', 'This is a detail page');
         Meta::set('description', 'All about this detail page');
+
+        # Remove previous images
+        Meta::unset('image');
+
+        # Add only this last image
         Meta::set('image', asset('images/detail-logo.png'));
 
         return view('detail');
diff --git a/src/Eusonlito/LaravelMeta/Meta.php b/src/Eusonlito/LaravelMeta/Meta.php
index 30f6b74..bbcdb86 100644
--- a/src/Eusonlito/LaravelMeta/Meta.php
+++ b/src/Eusonlito/LaravelMeta/Meta.php
@@ -117,6 +117,22 @@ public function set($key, $value)
         return $this->metas[$key] = self::cut($value, $key);
     }
 
+    /**
+     * @param  string $key
+     *
+     * @return void
+     */
+    public function unset($key)
+    {
+        $method = 'unset'.$key;
+
+        if (method_exists($this, $method)) {
+            $this->$method();
+        } else {
+            unset($this->metas[$key]);
+        }
+    }
+
     /**
      * @param  string $value
      *
@@ -152,6 +168,14 @@ private function setImage($value)
         return $value;
     }
 
+    /**
+     * @return void
+     */
+    private function unsetImage()
+    {
+        $this->metas['image'] = [];
+    }
+
     /**
      * @param  string       $key
      * @param  string|array $default