php - How to add elements to existing HTML using DomDocument? -

i have following select drop-down

<select name="set_login_redirect" id="set_login_redirect">     <option value="dashboard">wordpress dashboard</option>     <option class="level-0" value="1881">activate</option>     <option class="level-0" value="2109">affiliate area</option>     <option class="level-0" value="429">cart</option>     <option class="level-0" value="430">checkout</option> </select> 

how use php domdocument class add new option element select drop-down.

for example, want add code below html above.

how can done?

<option class="level-0" value="27">the word</option> 

i couldn't answer wrote php function dirty regex solve it.

/**  * append option select dropdown  *  * @param string $option option add  * @param string $select select dropdown  *  * @return string  */ function pp_append_option_to_select($option, $select) {     $regex = "/<select ([^<]*)>/";      preg_match($regex, $select, $matches);     $select_attr = $matches[1];      $a = preg_split($regex, $select);      $join = '<select ' . $select_attr . '>' . "\r\n";     $join .= $option . $a[1];      return $join; } 

example

$a = pp_append_option_to_select('<option value="current">current page</option>', $xml);  print_r($a); 

hoping finds useful someday.

am still open better way of doing using domdocuement class.