remove element after set selected

carlkyo

1. <select>
   
2.   <optgroup label="Swedish Cars">
   
3.     <option value="1">Volvo</option>
   
4.     <option value="2">Saab</option>
   
5.   </optgroup>
   
6.   <optgroup label="German Cars">
   
7.     <option value="3">Mercedes</option>
   
8.     <option value="4">Audi</option>
   
9.   </optgroup>
   
10.   <optgroup label="Cars">
    
11.     <option value="1">Volvo</option>
    
12.     <option value="2">Saab</option>
    
13.     <option value="3">Mercedes</option>
    
14.     <option value="4">Audi</option>
    
15.   </optgroup>
    
16. </select>

複製代碼

1. $selected = array(1,2,3,4);

複製代碼

1. $select = (is_array($selected) && in_array($county[0], $selected)) ? ' selected': ($selected == $county[0]) ? ' selected' : null;

複製代碼

請問ching
呢個點寫會簡單D
many thanks

carlkyo

1. if (($key = array_search($county[0], $selected)) !== false) {
   
2.                         unset($selected[$key]);
   
3.                         }

複製代碼

解決左