$str = "SELECT id,name FROM table1 WHERE name ='$_SERVER["PHP_AUTH_USER"]' ";$str = "SELECT id,name FROM table1 WHERE name ='$_SERVER[\"PHP_AUTH_USER\"]' ";$str = "SELECT id,name FROM table1 WHERE name ='{$_SERVER["PHP_AUTH_USER"]}' ";这三句的不同吗??就是 "'""'"呵呵~~
$str = "SELECT id,name FROM table1 WHERE name ='{$_SERVER['PHP_AUTH_USER']}' ";
可以不?
$str = "SELECT id,name FROM table1 WHERE name ='{$_SERVER['PHP_AUTH_USER']}'";
这样显得较零乱
str = "SELECT id,name FROM table1 WHERE name ='".$_SERVER["PHP_AUTH_USER"]."'";{}中的内容将被视为一个整体