To retrieve the number of rows affected by a INSERT, UPDATE, REPLACE or DELETE query, use mysql_affected_rows() . mysql_num_rows function retrieves the number of rows from a result set. mysql_num_rows(data) Parameter Description; data: Required. If you use mysqli_stmt_store_result(), mysqli_stmt_num_rows() may be called immediately. this is just a database tutorial that im working on and i hope that maybe someone can tell me whats goin on. Instead, the MySQLi or PDO_MySQL extension should be used. Everything is working fine now (no help from the other 'duplicate' thread. PDO's rowCount() method "returns the number of rows affected by the last DELETE, INSERT, or UPDATE statement"—not the same thing. You should switch to mysqli or POD database library. Definition and Usage. PHP mysql_num_rows() Function. The mysql functions as a whole are deprecated, it is not only mysql_num_rows. Description. Is there a function equivalent to mysql_num_rows to count the number of columns in a PHP mysql recordset?. In short all mysql_* functions are deprecated. Specifies which data pointer to use. This function returns FALSE on failure. Alternative for mysql_num_rows using PDO ^ I believe it isn't the same question - The other authors code is different to mine, which needed a different answer. I have upgraded PHP on my server from version 5 to 7 and I found out that mysql_* functions were removed and now I should use mysqli or PDO. If not, rather than just saying so can you please advise me of the best way to make a … @BillKarwin, did you mean mysql_num_rows()? The mysql_num_rows() function returns the number of rows in a recordset. But you should get value returned by count(), mysql_num_rows is not for operations like this. The behaviour of mysqli_num_rows depends on whether buffered or unbuffered result sets are being used. Complete PHP MySQL Reference. The use of mysqli_stmt_num_rows() depends on whether or not you used mysqli_stmt_store_result() to buffer the entire result set in the statement handle.. Object oriented style int mysqli_result->num_rows ; Procedural style int mysqli_num_rows (mysqli_result result); Returns the number of rows in the result set. Hàm mysqli_num_rows() trong PHP Đăng bởi: phungminhduong - Vào ngày: 16-05-2017 - View: 8269 Hàm mysqli_num_rows() sẽ trả về số hàng trong tập hợp kết quả truyền vào. You can read more about picking a database API here. This command is only valid for statements like SELECT or SHOW that return an actual result set. – Quinn Comendant Jan 21 '14 at 7:13 I successfully got my answer from this post and marked it as answered. Syntax. See also MySQL: choosing an API guide and related FAQ for more information. I updated the following code (mysqli instead of mysql) that I used to print number of rows in a given table, but it doesn't work as it used to. 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