WordPress Fix ShortCode Breaks

functions.php

// Fix WP shortcode breaks.
function wpex_fix_shortcodes($content){   
  $array = array (
    '<p>[' => '[', 
    ']</p>' => ']', 
    ']<br />' => ']'
  );
  $content = strtr($content, $array);
  return $content;
}
add_filter('the_content', 'wpex_fix_shortcodes');