[PHP]代码    

function g($name, $defaultValue = "") {   // php这里区分大小写，将两者都变为小写   $_GET = array_change_key_case ( $_GET, CASE_LOWER );   $name = strtolower ( $name );     $v = isset ( $_GET [$name] ) ? $_GET [$name] : "";   if ($v == "")           {       $_POST = array_change_key_case ( $_POST, CASE_LOWER );       $v = isset ( $_POST [$name] ) ?$_POST [$name] : "";   }              if ($v == "")     return $defaultValue;       else    {     // 20141011 jc :  js_unescape($v)会引起 where ( col_subject like '%123%' ) 会变成 where ( col_subject like '%3%' )     //$v =  js_unescape($v) ;     $v = trim($v);     return $v;    }     }    }