diff --git a/src/Illuminate/Database/Query/Builder.php b/src/Illuminate/Database/Query/Builder.php
index 8ab17d32b960..c762e8525605 100755
--- a/src/Illuminate/Database/Query/Builder.php
+++ b/src/Illuminate/Database/Query/Builder.php
@@ -307,17 +307,6 @@ public function fromRaw($expression, $bindings = [])
         return $this;
     }
 
-    /**
-     * Returns scalar type value from an unknown type of input.
-     *
-     * @param  mixed  $value
-     * @return mixed
-     */
-    protected function scalarValue($value)
-    {
-        return is_array($value) ? head(Arr::flatten($value)) : $value;
-    }
-
     /**
      * Creates a subquery and parse it.
      *
@@ -709,7 +698,7 @@ public function where($column, $operator = null, $value = null, $boolean = 'and'
         );
 
         if (! $value instanceof Expression) {
-            $this->addBinding($this->scalarValue($value), 'where');
+            $this->addBinding($this->flattenValue($value), 'where');
         }
 
         return $this;
@@ -1122,7 +1111,7 @@ public function whereDate($column, $operator, $value = null, $boolean = 'and')
             $value, $operator, func_num_args() === 2
         );
 
-        $value = $this->scalarValue($value);
+        $value = $this->flattenValue($value);
 
         if ($value instanceof DateTimeInterface) {
             $value = $value->format('Y-m-d');
@@ -1163,7 +1152,7 @@ public function whereTime($column, $operator, $value = null, $boolean = 'and')
             $value, $operator, func_num_args() === 2
         );
 
-        $value = $this->scalarValue($value);
+        $value = $this->flattenValue($value);
 
         if ($value instanceof DateTimeInterface) {
             $value = $value->format('H:i:s');
@@ -1204,7 +1193,7 @@ public function whereDay($column, $operator, $value = null, $boolean = 'and')
             $value, $operator, func_num_args() === 2
         );
 
-        $value = $this->scalarValue($value);
+        $value = $this->flattenValue($value);
 
         if ($value instanceof DateTimeInterface) {
             $value = $value->format('d');
@@ -1249,7 +1238,7 @@ public function whereMonth($column, $operator, $value = null, $boolean = 'and')
             $value, $operator, func_num_args() === 2
         );
 
-        $value = $this->scalarValue($value);
+        $value = $this->flattenValue($value);
 
         if ($value instanceof DateTimeInterface) {
             $value = $value->format('m');
@@ -1294,7 +1283,7 @@ public function whereYear($column, $operator, $value = null, $boolean = 'and')
             $value, $operator, func_num_args() === 2
         );
 
-        $value = $this->scalarValue($value);
+        $value = $this->flattenValue($value);
 
         if ($value instanceof DateTimeInterface) {
             $value = $value->format('Y');
@@ -1604,7 +1593,7 @@ public function whereJsonLength($column, $operator, $value = null, $boolean = 'a
         $this->wheres[] = compact('type', 'column', 'operator', 'value', 'boolean');
 
         if (! $value instanceof Expression) {
-            $this->addBinding((int) $this->scalarValue($value));
+            $this->addBinding((int) $this->flattenValue($value));
         }
 
         return $this;
@@ -1753,7 +1742,7 @@ public function having($column, $operator = null, $value = null, $boolean = 'and
         $this->havings[] = compact('type', 'column', 'operator', 'value', 'boolean');
 
         if (! $value instanceof Expression) {
-            $this->addBinding($this->scalarValue($value), 'having');
+            $this->addBinding($this->flattenValue($value), 'having');
         }
 
         return $this;
@@ -2969,6 +2958,17 @@ protected function cleanBindings(array $bindings)
         }));
     }
 
+    /**
+     * Get a scalar type value from an unknown type of input.
+     *
+     * @param  mixed  $value
+     * @return mixed
+     */
+    protected function flattenValue($value)
+    {
+        return is_array($value) ? head(Arr::flatten($value)) : $value;
+    }
+
     /**
      * Get the default key name of the table.
      *