錯誤獲取數據

Question

<?php $all_users = get_data('SELECT active FROM members WHERE active = 'Yes';'); $get_users = count($all_users); echo $get_users ;?> 

我的人，我有如下錯誤：

Parse error: syntax error, unexpected 'Yes' (T_STRING) in

，我不明白爲什麼，對我來說這是正確的..

Answer 1

get_data('SELECT active FROM members WHERE active = "yes" '); 

或

get_data('SELECT active FROM members WHERE active = \'Yes\' '); 

或

get_data("SELECT active FROM members WHERE active = 'Yes' ");