html - how can i get the selected value of dropdown list in php? -

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i have seen several question can not find answer? add value dropdown through loop , want show value when select 1 value dropdown box .but can not find . 

  $items[] = $file ;   echo '<select name="value">';   foreach($items $video){      echo  '<option value="' . $video . '">' . $video . '</option>' ;   }   echo '</select>';   $value = $_get['footage'];

how can value when select value in dropdown box.

you need add html selected attribute <select>

$value = $_get['footage']; /* typo*/  $items[] = $file ;   echo '<select name="value">';   foreach($items $video){      $selected = ($value == $video) ? 'selected="selected"' : '';     echo  '<option value="' . $video . '"' . $selected . '>' . $video . '</option>' ;   }    echo'</select>';

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