Warning: mysqli_query() expects at least2parameters, 1given in D:\wamp64\www\SET1\login.php on line8
Warning: mysqli_num_rows() expects parameter 1 to be mysqli_result, null given
login_state FROM user_regd where std_uname='$txtUsername'and std_pwd ='$txtPassword'";错误是:
Warning: mysqli_query() expects at least2parameters, 1given in &#
例如:PHP Warning: fopen() expects at least2parameters, 1given in php shell codeon line 1PHP Warning: fopen(): Filename cannot be empty in php shell codeon
语法:如果我要维护dbconnection的一个.php文件(我通过使用include()函数将它包含在其他php文件中),那么我应该在mysqli_query(arg1,arg2,arg3);中放置什么作为连接参数
这是我的密码。SELECT * FROM student_info WHERE (STUD_NO LIKE '%$var%' OR NAME LIKE '%$var%' )"
使用mysql非常新手,然而,我正在尝试修复wordpress插件中旧代码中的一个bug --这是原始代码:
$sql = mysqli_query("SELECT count(`question_count`) as Qcount FROM `wp_posts` WHERE `question_count` = 1 and `question_date` = '".date("Y-m-d")."'") orAdd your question to the car
我的cms切换到mysqli,我在将我的查询和提取函数切换到mysqli时遇到了一些问题,我一直收到一些错误:
Warning: mysqli_query() expects parameter 1 to() expects parameter 1 to be mysqli_result, null given in /home/u250000297/public_html/forum/system/db.ph