private static function readSourcesImagesNotes($sources, $images, $notes) { $srcArray = array(); $imgArray = array(); $noteArray = array(); MergeForm::addSourcesImagesNotes($sources, $srcArray, $imgArray, $noteArray); MergeForm::addSourcesImagesNotes($images, $srcArray, $imgArray, $noteArray); MergeForm::addSourcesImagesNotes($notes, $srcArray, $imgArray, $noteArray); $sources = join(', ', $srcArray); $images = join(', ', $imgArray); $notes = join(', ', $noteArray); return array($sources, $images, $notes); }