Search the Community
Showing results for tags 'MySQLi'.
-
Hi people, I have one question about mysqli_fetch_assoc in a while loop. $query = "SELECT * FROM category "; $result = mysqli_query($connection, $query); while($row = mysqli_fetch_assoc($result)) { $cat_id = $row['cat_id']; $cat_title = $row['cat_title']; echo $cat_id . " " . $cat_title ."<br>"; } So, how does $row = mysql_fetch_assoc($result) works? So it loops one row at a time from $results and stores that information in $row until it there is no row to return? And this mysqli_fetch_assoc($result) in while loop iterations is this " array(some rows that it got from $result) "? $row = mysqli_fetch_assoc($result) is same as $row = array(all rows from $result that are gathered by mysqli_fetch_assoc) ? And that means $row is actually an array, and every time it loops the information is not overwriten by new instead it is added? Sorry if i confused you with such questions Thanks in advance!
-
My PHP script for mysqli queries works most of the time, but while running a loop that queries database many times, occasionally I'll get Warning: PHP Warning: mysqli_stmt::execute(): (HY000/2013): Lost connection to MySQL server during query in... blah blah blah Can someone tell me if I need to modify the structure of my queries to make it work better? Here's my example: <?php $host = "localhost"; $username = "blah_blah"; $password = "blah_blah"; $database = "blah_blah"; $mysqli = new mysqli($host, $username, $password, $database,0,'/var/lib/mysql/mysql.sock'); $mysqli->set_charset('utf8'); if ($stmt = $mysqli->prepare("SELECT column_A FROM table_X WHERE column_B=? AND column_C=? LIMIT 1")){ $stmt->bind_param("si", $value_1, $value_2); $stmt->execute(); $stmt->bind_result($column_A_value); $stmt->fetch(); $stmt->close(); } ?>