symfony
diff --git a/‎src/Symfony/Component/Console/Helper/Table.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Console/Helper/Table.php
+5Lines changed: 5 additions & 0 deletions b/‎src/Symfony/Component/Console/Helper/Table.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Console/Helper/Table.php
+5Lines changed: 5 additions & 0 deletions
diff --git a/‎src/Symfony/Component/Console/Tests/Helper/TableTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Console/Tests/Helper/TableTest.php
+16Lines changed: 16 additions & 0 deletions b/‎src/Symfony/Component/Console/Tests/Helper/TableTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Console/Tests/Helper/TableTest.php
+16Lines changed: 16 additions & 0 deletions
@@ -454,11 +454,16 @@ private function buildTableRows($rows)
      * @param int   $line
      *
      * @return array
+     *
+     * @throws InvalidArgumentException
      */
     private function fillNextRows(array $rows, $line)
     {
         $unmergedRows = array();
         foreach ($rows[$line] as $column => $cell) {
+            if (null !== $cell && !$cell instanceof TableCell && !is_scalar($cell) && !method_exists($cell, '__toString')) {
+                throw new InvalidArgumentException(sprintf('The cell should always be a string, a TableCell or a scalar, %s given.', gettype($cell)));
+            }
             if ($cell instanceof TableCell && $cell->getRowspan() > 1) {
                 $nbLines = $cell->getRowspan() - 1;
                 $lines = array($cell);
 
@@ -726,6 +726,22 @@ public function testColumnStyle()
         $this->assertEquals($expected, $this->getOutputContent($output));
     }
 
+    /**
+     * @expectedException \Symfony\Component\Console\Exception\InvalidArgumentException
+     * @expectedExceptionMessage The cell should always be a string, a TableCell or a scalar, array given.
+     */
+    public function testThrowsWhenTheCellInAnArray()
+    {
+        $table = new Table($output = $this->getOutputStream());
+        $table
+            ->setHeaders(array('ISBN', 'Title', 'Author', 'Price'))
+            ->setRows(array(
+                array('99921-58-10-7', array(), 'Dante Alighieri', '9.95'),
+            ));
+
+        $table->render();
+    }
+
     public function testColumnWith()
     {
         $table = new Table($output = $this->getOutputStream());