[6.x] Fix plucking column name containing a space

src/Illuminate/Database/Query/Builder.php

@@ -2310,7 +2310,13 @@ function () {
      */
     protected function stripTableForPluck($column)
     {
-        return is_null($column) ? $column : last(preg_split('~\.| ~', $column));
+        if(is_null($column)) {
+            return $column;
+        }
+
+        $seperator = strpos($column, ' as ') !== false ? ' as ' : '\.';
+
+        return last(preg_split('~'.$seperator.'~', $column));
     }
 
     /**

tests/Database/DatabaseEloquentIntegrationTest.php

@@ -69,6 +69,13 @@ protected function createSchema()
             $table->timestamps();
         });
 
+        $this->schema('default')->create('users_with_space_in_colum_name', function ($table) {
+            $table->increments('id');
+            $table->string('name')->nullable();
+            $table->string('email address');
+            $table->timestamps();
+        });
+
         foreach (['default', 'second_connection'] as $connection) {
             $this->schema($connection)->create('users', function ($table) {
                 $table->increments('id');
@@ -443,6 +450,18 @@ public function testPluckWithJoin()
         $this->assertEquals(['[email protected]' => 'First post', '[email protected]' => 'Second post'], $query->pluck('posts.name', 'users.email as user_email')->all());
     }
 
+    public function testPluckWithColumnNameContainingASpace()
+    {
+        EloquentTestUserWithSpaceInColumnName::create(['id' => 1, 'email address' => '[email protected]']);
+        EloquentTestUserWithSpaceInColumnName::create(['id' => 2, 'email address' => '[email protected]']);
+
+        $simple = EloquentTestUserWithSpaceInColumnName::oldest('id')->pluck('users_with_space_in_colum_name.email address')->all();
+        $keyed = EloquentTestUserWithSpaceInColumnName::oldest('id')->pluck('email address', 'id')->all();
+
+        $this->assertEquals(['[email protected]', '[email protected]'], $simple);
+        $this->assertEquals([1 => '[email protected]', 2 => '[email protected]'], $keyed);
+    }
+
     public function testFindOrFail()
     {
         EloquentTestUser::create(['id' => 1, 'email' => '[email protected]']);
@@ -1673,6 +1692,11 @@ public function friends()
     }
 }
 
+class EloquentTestUserWithSpaceInColumnName extends EloquentTestUser
+{
+    protected $table = 'users_with_space_in_colum_name';
+}
+
 class EloquentTestNonIncrementing extends Eloquent
 {
     protected $table = 'non_incrementing_users';