Allow column aliases in query builder pluck

src/Illuminate/Database/Query/Builder.php

@@ -1562,14 +1562,14 @@ public function lists($column, $key = null)
     }
 
     /**
-     * Strip off the table name from a column identifier.
+     * Strip off the table name or alias from a column identifier.
      *
      * @param  string  $column
      * @return string
      */
     protected function stripTable($column)
     {
-        return is_null($column) ? $column : last(explode('.', $column));
+        return is_null($column) ? $column : last(preg_split('~\.| ~', $column));
     }
 
     /**

tests/Database/DatabaseEloquentIntegrationTest.php

@@ -41,6 +41,7 @@ public function setUp()
     {
         $this->schema()->create('users', function ($table) {
             $table->increments('id');
+            $table->string('name')->nullable();
             $table->string('email')->unique();
             $table->string('role')->default('standard');
             $table->timestamps();
@@ -181,16 +182,17 @@ public function testPluck()
 
     public function testPluckWithJoin()
     {
-        $user1 = EloquentTestUser::create(['id' => 1, 'email' => '[email protected]']);
-        $user2 = EloquentTestUser::create(['id' => 2, 'email' => '[email protected]']);
+        $user1 = EloquentTestUser::create(['id' => 1, 'name' => 'Taylor', 'email' => '[email protected]']);
+        $user2 = EloquentTestUser::create(['id' => 2, 'name' => 'Abigail', 'email' => '[email protected]']);
 
         $user2->posts()->create(['id' => 1, 'name' => 'First post']);
         $user1->posts()->create(['id' => 2, 'name' => 'Second post']);
 
         $query = EloquentTestUser::join('posts', 'users.id', '=', 'posts.user_id');
 
-        $this->assertEquals([1 => 'First post', 2 => 'Second post'], $query->pluck('name', 'posts.id')->all());
-        $this->assertEquals([2 => 'First post', 1 => 'Second post'], $query->pluck('name', 'users.id')->all());
+        $this->assertEquals([1 => 'First post', 2 => 'Second post'], $query->pluck('posts.name', 'posts.id')->all());
+        $this->assertEquals([2 => 'First post', 1 => 'Second post'], $query->pluck('posts.name', 'users.id')->all());
+        $this->assertEquals(['Abigail' => 'First post', 'Taylor' => 'Second post'], $query->pluck('posts.name', 'users.name as user_name')->all());
     }
 
     public function testFindOrFail()