function update_query(Db_Mysql $db) { $country = $db->escape('Serbia'); $stmt = "UPDATE user\n SET country = '{$country}'\n WHERE country = 'Burundi'"; // query result $result = $db->query($stmt); if (!$result) { echo $db->errno() . ' ' . $db->error(); } else { // gets the number of affected rows $num_rows = $db->affectedRows(); // gets the auto generated id used in the last query $insert_id = $db->insertId(); echo 'Number of affected rows: ' . $num_rows . '<br>'; echo 'Auto generated id used in the last query: ' . $insert_id; } }
function delete_query(Db_Mysql $db) { $id = 15; $stmt = "DELETE FROM user\n WHERE user_id = '{$id}'"; // query result $result = $db->query($stmt); if (!$result) { echo $db->errno() . ' ' . $db->error(); } else { // gets the number of affected rows $num_rows = $db->affectedRows(); // gets the auto generated id used in the last query $insert_id = $db->insertId(); echo 'Number of affected rows: ' . $num_rows . '<br>'; echo 'Auto generated id used in the last query: ' . $insert_id; } }
function select_query(Db_Mysql $db) { $stmt = "SELECT * FROM user"; // query result $result = $db->query($stmt); if (!$result) { echo $db->errno() . ' ' . $db->error(); } else { // gets the number of affected rows $num_rows = $db->affectedRows(); // gets the auto generated id used in the last query $insert_id = $db->insertId(); // if there are some rows if ($num_rows > 0) { $rows = array(); // fetch a result row as an associative array while ($row = $db->fetch($result, MYSQLI_ASSOC)) { $rows[] = array('fullname' => $row['fullname'], 'email' => $row['email'], 'country' => $row['country']); } // prints results $content = '<div class="table-responsive"><table class="table table-condensed"> <thead> <tr> <th>Full name</th> <th>Email</th> <th>Country</th> </tr> </thead>'; foreach ($rows as $iter) { $content .= '<tbody> <tr> <td>' . $iter['fullname'] . '</td> <td><a href="mailto:' . $iter['email'] . '">' . $iter['email'] . '</a></td> <td>' . $iter['country'] . '</td> </tr>'; } $content .= '</tbody></table></div>'; echo $content; echo 'Number of affected rows: ' . $num_rows . '<br>'; echo 'Auto generated id used in the last query: ' . $insert_id; } else { echo 'There are no rows in the database.'; } } }
function insert_query(Db_Mysql $db) { $fullname = $db->escape('Miloš Savić'); $email = $db->escape('*****@*****.**'); $country = $db->escape('Serbia'); $stmt = "INSERT INTO user (fullname, email, country)\n VALUES ('{$fullname}', '{$email}', '{$country}')"; // query result $result = $db->query($stmt); if (!$result) { echo $db->errno() . ' ' . $db->error(); } else { // gets the number of affected rows $num_rows = $db->affectedRows(); // gets the auto generated id used in the last query $insert_id = $db->insertId(); echo 'Number of affected rows: ' . $num_rows . '<br>'; echo 'Auto generated id used in the last query: ' . $insert_id; } }
<div style="padding: 20% 20%;"> <a href="index.php">Index</a> <a href="insert.php">Insert</a> <a href="select.php">Select</a> <a href="update.php">Update</a> <a href="delete.php">Delete</a> </div> <?php require_once 'db/mysql.php'; $db = new Db_Mysql(array('dbname' => 'shift_planning_test', 'username' => 'root', 'password' => '', 'host' => 'localhost')); $fullname = "Konstantin Petrovic"; $email = "*****@*****.**"; $country = "Serbia"; $query_update = "UPDATE user SET fullname = '{$fullname}', email = '{$email}', country = '{$country}' WHERE user_id=20"; $db->connect(); $result = $db->query($query_update); if ($result == false) { echo $db->error() . " " . $db->errno(); } else { $update = $db->affectedRows(); echo $update; } $db->close();
<?php ini_set('display_errors', 'on'); error_reporting(E_ALL); require_once 'db/mysql.php'; require 'select.php'; require 'delete.php'; require 'insert.php'; require 'update.php'; $db = new Db_Mysql(array('dbname' => 'shift_planning_test', 'username' => 'root', 'password' => NULL, 'host' => 'localhost')); $db->connect(); echo '<br>'; $db->ping(); echo '<br>'; $result = $db->query(SELECT::$query); $db->fetch($result, $resultType = null); echo '<br>'; $db->affectedRows(); echo '<br>'; $db->insertId(); echo '<br>'; $unescapedString = "ASDASDAS"; $db->escape($unescapedString); echo '<br>'; $db->close();
<div style="padding: 20% 20%;"> <a href="index.php">Index</a> <a href="insert.php">Insert</a> <a href="select.php">Select</a> <a href="update.php">Update</a> <a href="delete.php">Delete</a> </div> <?php require_once 'db/mysql.php'; $db = new Db_Mysql(array('dbname' => 'shift_planning_test', 'username' => 'root', 'password' => '', 'host' => 'localhost')); $fullname = "Konstantin Petrovic"; $email = "*****@*****.**"; $country = "Serbia"; $query_delete = "DELETE FROM user WHERE user_id=24"; $db->connect(); $result = $db->query($query_delete); if ($result == false) { echo $db->error() . " " . $db->errno(); } else { $delete = $db->affectedRows(); echo $delete; } $db->close();
<?php require_once 'db/mysql.php'; $db = new Db_Mysql(array('dbname' => 'shift_planning_test', 'username' => 'root', 'password' => 'root', 'host' => 'localhost')); $id = "18"; $name = "test"; $email = "email"; $country = "country"; $query = "SELECT * FROM user WHERE fullname LIKE '%ll%'"; $db->connect(); $db->escape($query); $result = $db->query($query); if ($db->affectedRows() > 0) { while ($row = $db->fetch($result, MYSQLI_BOTH)) { echo $row["fullname"] . "<br>"; } } $db->close();