/* ** Connect to database: */ // connect to the database $con = mysql_connect('localhost','testuser','testpassword') or die('Could not connect to the server!'); // select a database: mysql_select_db('testdb') or die('Could not select a database.'); /* ** Fetch some rows from database: */ // read username from URL $username = $_GET['username']; // escape bad chars: $username = mysql_real_escape_string($username); // build query: $sql = "SELECT id, timestamp, text FROM logs WHERE username = '$username'"; // execute query: $result = mysql_query($sql) or die('A error occured: ' . mysql_error()); // get result count: $count = mysql_num_rows($result); print "Showing $count rows:<hr/>"; // fetch results: while ($row = mysql_fetch_assoc($result)) { $row_id = $row['id']; $row_text = $row['text']; print "#$row_id: $row_text<br/>\n"; } /* ** Do a insert query: */ // create SQL query: $sql = "INSERT INTO logs (timestamp, text) VALUES (NOW(), 'some text here!')"; // execute query: $result = mysql_query($sql) or die('A error occured: ' . mysql_error()); // get the new ID of the last insert command $new_id = mysql_insert_id(); /* ** Do a update query: */ // create SQL query: $sql = "UPDATE logs SET text='New text!' WHERE id='1'"; // execute query: $result = mysql_query($sql) or die('A error occured: ' . mysql_error()); /* ** Do a delete query: */ // create SQL query: $sql = "DELETE FROM logs WHERE id='1'"; // execute query: $result = mysql_query($sql) or die('A error occured: ' . mysql_error()); // Have fun!