mysql_num_rows expects parameter 1
There might be two possible issues in your code. First, the variable $user might be empty. So test it if it is null. <?php if(empty($user)) //do not continue; } ?> Second might be, you are not connected to mysql. You can correct it like this. <?p, I suspect you mean SELECT * FROM user ... , not SELECT * FROM $user ... (remove the $ ), which is causing your error. mysql_query() returns false if the query failed, which is what you would expect if $user doesn't contain the name of your table. Tha
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mysql - Warning: mysql_num_rows() expects parameter 1 to be ...
This error is because the previous call to mysql_query is not producing a result set, but a false stating that the query had failed. mysql_query() or die(mysql_error());. to see the problem. try the ... https://stackoverflow.com php - mysql_num_rows() expects parameter 1 to be resource, boolean ...
There might be two possible issues in your code. First, the variable $user might be empty. So test it if it is null. <?php if(empty($user)) //do not continue; } ?> Second might be, you are not c... https://stackoverflow.com PHP Warning: mysql_num_rows() expects parameter 1 to be resource ...
I suspect you mean SELECT * FROM user ... , not SELECT * FROM $user ... (remove the $ ), which is causing your error. mysql_query() returns false if the query failed, which is what you would expect i... https://stackoverflow.com php - mysql_num_rows() expects parameter 1 to be resource error ...
you are mixing mysql with mysqli . change this if (mysql_num_rows($result) > 0). to if (mysqli_num_rows($result) > 0). https://stackoverflow.com mysql - PHP Warning: mysql_num_rows() expects parameter 1 to be ...
This means the MySQL query did not execute correctly. You can use this to figure out what went wrong: $rs = mysql_query( "select * from users where fb_userid='$fb_user'" ) or die(my... https://stackoverflow.com php - How to fix this :"Warning: mysql_num_rows() expects ...
$checkquestion = mysql_query("SELECT question_text FROM questions LIKE '$questions' "); if (!$checkquestion) die(mysql_error()); }. Next step: Fix your SQL query. You must always c... https://stackoverflow.com php - mysql_num_rows() expects parameter 1 to be resource, string ...
Change: $check = mysql_query("SELECT * FROM Test WHERE username = '$username'");. to $check = mysql_query("SELECT * FROM Test WHERE username = '$username'") or die... https://stackoverflow.com php - mysql_num_rows giving error "mysql_num_rows() expects ...
You have not actually executed your query: $query = "SELECT username FROM $this->table WHERE username='$sUser'"; $doesFieldExist = false; // Execute the query with mysql_query() ... https://stackoverflow.com mysql練習一只回傳錯誤的訊息- PHP新手區相關討論於台灣PHP聯盟 ...
Deprecated: mysql_query(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in C:-wamp-www-shop.php on line 27 ( ! ) Warning: mysql_num_rows() expects pa... https://twpug.net |