Support for line feed in data

The markdown result get broken when the line feed was included in the data.
So we can output valid maridown data by converting into br tag by nl2br from line feed.

Author: hypermkt

lib/CopyAsMarkdown/CopyAsMarkdown.php

@@ -81,10 +81,10 @@ protected function _createDataRows(array $rows)
         if (!empty($str)) {
           $str .= "|";
         }
-        $str .= $val;
+        $str .= str_replace(array("\n", "\r"), '', nl2br($val));
       }
       $result[] = $str;
     }
     return implode("\n", $result);
   }
-}
+}

tests/lib/CopyAsMarkdown/CopyAsMarkdownTest.php

@@ -33,6 +33,16 @@ public function testCreateDataRows()
           array('d', 'e', 'f'),
         )));
   }
+
+  public function testCreateDataRows_ReturnLineFeedRemovedData_WhenHasLineFeedInData()
+  {
+    $expected = 'a|b1<br />b2<br />b3|c';
+    $this->assertEquals($expected, $this->copyAsMarkdown->createDataRows(array(
+          array('a', 'b1
+b2
+b3', 'c'),
+        )));
+  }
 }
 
 class CopyAsMarkdownExtended extends CopyAsMarkdown