mysqli

问题 Recently I've started to use prepared statements. However, I feel like my code becomes a bit too cluttered with all the temporary variables and extra lines required just to make a single query. So far my code looks like the following: $stmt = $conn->prepare("SELECT * FROM locations WHERE location_id = ?"); $stmt->bind_param("i", $_GET['location_id']); $stmt->execute(); $stmt->store_result(); $stmt->bind_result($location_id, $owner); //all the other $stmt->fetch() related code here... Are

问题 Recently I've started to use prepared statements. However, I feel like my code becomes a bit too cluttered with all the temporary variables and extra lines required just to make a single query. So far my code looks like the following: $stmt = $conn->prepare("SELECT * FROM locations WHERE location_id = ?"); $stmt->bind_param("i", $_GET['location_id']); $stmt->execute(); $stmt->store_result(); $stmt->bind_result($location_id, $owner); //all the other $stmt->fetch() related code here... Are

问题 This question already has an answer here : mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get the actual mysql error and fix it? (1 answer) Closed 11 months ago . I'm developing a quiz app and I'm this error: Fatal error: Uncaught Error: Call to a member function fetch_assoc() on array in C:\wamp64\ What's going wrong? /** * Get the Question */ $query = "SELECT * FROM questions WHERE question_number = $number"; //Get result $result = mysqli

问题 What I'm trying to do is in the $sql this is where I'm going to code the SQL commands $connect = new mysqli($servername, $username, $password, $database); if ($connect -> connect_error) { die("Unable to Connect : " . connect_error); } $sql = /*"CREATE TABLE student ( student_id INT, name VARCHAR(20), major VARCHAR(20), PRIMARY KEY(student_id) ); */ "INSERT INTO student VALUE(3, 'joseph', 'education');"; if ($connect -> query($sql) === TRUE) { echo "New Table Created! <br><br>"; } else { echo

问题 What I'm trying to do is in the $sql this is where I'm going to code the SQL commands $connect = new mysqli($servername, $username, $password, $database); if ($connect -> connect_error) { die("Unable to Connect : " . connect_error); } $sql = /*"CREATE TABLE student ( student_id INT, name VARCHAR(20), major VARCHAR(20), PRIMARY KEY(student_id) ); */ "INSERT INTO student VALUE(3, 'joseph', 'education');"; if ($connect -> query($sql) === TRUE) { echo "New Table Created! <br><br>"; } else { echo

问题 This question already has answers here : What is the difference between the nd_pdo_mysql and pdo_mysql extensions? (1 answer) What the different between MySQL Native Driver and MySQL Client Library (2 answers) Closed 2 years ago . Mysqli prepared statements like the one below throw the following error when get_result() is called. $stmt = $connection -> prepare("select column from table where id = ?"); $stmt -> bind_param("i", $id); $id = 1; $stmt -> execute() or trigger_error($stmt -> execute

问题 This question already has answers here : What is the difference between the nd_pdo_mysql and pdo_mysql extensions? (1 answer) What the different between MySQL Native Driver and MySQL Client Library (2 answers) Closed 2 years ago . Mysqli prepared statements like the one below throw the following error when get_result() is called. $stmt = $connection -> prepare("select column from table where id = ?"); $stmt -> bind_param("i", $id); $id = 1; $stmt -> execute() or trigger_error($stmt -> execute

问题 <?php $dbcon=mysqli_connect("localhost","root","","simple_login"); mysqli_select_db($dbcon,""); ?> The above code is in db_conection.php In another file i try to accesss a table known as school if(!$_SESSION['username']) { header("Location: index.php");//redirect to login page to secure the welcome page without login access. } else { $user=$_SESSION['username']; require('db_conection.php'); $ex0=mysql_query("SELECT * FROM school WHERE uid='$user'") or die(mysql_error()); $count=mysql_num_rows

问题 <?php $dbcon=mysqli_connect("localhost","root","","simple_login"); mysqli_select_db($dbcon,""); ?> The above code is in db_conection.php In another file i try to accesss a table known as school if(!$_SESSION['username']) { header("Location: index.php");//redirect to login page to secure the welcome page without login access. } else { $user=$_SESSION['username']; require('db_conection.php'); $ex0=mysql_query("SELECT * FROM school WHERE uid='$user'") or die(mysql_error()); $count=mysql_num_rows

问题 <?php $dbcon=mysqli_connect("localhost","root","","simple_login"); mysqli_select_db($dbcon,""); ?> The above code is in db_conection.php In another file i try to accesss a table known as school if(!$_SESSION['username']) { header("Location: index.php");//redirect to login page to secure the welcome page without login access. } else { $user=$_SESSION['username']; require('db_conection.php'); $ex0=mysql_query("SELECT * FROM school WHERE uid='$user'") or die(mysql_error()); $count=mysql_num_rows