src/FieldBuilder.php
public function file($name, array $attributes = array(), array $extra = array())
    {
        return $this->build('file', $name, null, $attributes, $extra);
    }
public function file($name, array $attributes = array(), array $extra = array())
    {
        return $this->build('file', $name, null, $attributes, $extra);
    }
public function file ( $ name , array $ attributes = array ( ) , array $ extra = array ( ) ) { return $ this -> build ( 'file' , $ name , null , $ attributes , $ extra ) ; }
Create a file input field.

@param  string $name
@param  array  $attributes
@param  array  $extra

@return string
Create a file input field .