Jump to content
UncleStef Mentoring Update: New SEO course!

hasan

New Members
 View Profile  See their activity

  • Posts

    1

  • Joined

  • Last visited

hasan's Achievements

Newbie

Newbie (1/14)

0

Reputation

  1. hasan

    If allowed me to ask you the following solution about:

    add another column for the phone number and when i change the code it doesn't update or add records

    thanks again

  2. hasan
    <?php /* Allows the user to both create new records and edit existing records */ // connect to the database include("connect-db.php"); // creates the new/edit record form // since this form is used multiple times in this file, I have made it a function that is easily reusable function renderForm($first = '', $last ='', $phone ='', $error = '', $id = '') { ?> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title> <?php if ($id != '') { echo "Edit Record"; } else { echo "New Record"; } ?> </title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> </head> <body> <h1><?php if ($id != '') { echo "Edit Record"; } else { echo "New Record"; } ?></h1> <?php if ($error != '') { echo "<div style='padding:4px; border:1px solid red; color:red'>" . $error . "</div>"; } ?> <form action="" method="post"> <div> <?php if ($id != '') { ?> <input type="hidden" name="id" value="<?php echo $id; ?>" /> <p>ID: <?php echo $id; ?></p> <?php } ?> <strong>First Name: *</strong> <input type="text" name="firstname" value="<?php echo $first; ?>"/><br/> <strong>Last Name: *</strong> <input type="text" name="lastname" value="<?php echo $last; ?>"/> <strong>Phone Number: *</strong> <input type="text" name="phonenumber" value="<?php echo $phone; ?>"/> <p>* required</p> <input type="submit" name="submit" value="Submit" /> </div> </form> </body> </html> <?php } /* EDIT RECORD */ // if the 'id' variable is set in the URL, we know that we need to edit a record if (isset($_GET['id'])) { // if the form's submit button is clicked, we need to process the form if (isset($_POST['submit'])) { // make sure the 'id' in the URL is valid if (is_numeric($_POST['id'])) { // get variables from the URL/form $id = $_POST['id']; $firstname = htmlentities($_POST['firstname'], ENT_QUOTES); $lastname = htmlentities($_POST['lastname'], ENT_QUOTES); $phonenumber = htmlentities($_POST['phonenumber'], ENT_QUOTES); // check that firstname and lastname are both not empty if ($firstname == '' || $lastname == '' || $phonenumber == '') { // if they are empty, show an error message and display the form $error = 'ERROR: Please fill in all required fields!'; renderForm($firstname, $lastname, $phonenumber, $error, $id); } else { // if everything is fine, update the record in the database if ($stmt = $mysqli->prepare("UPDATE players SET firstname = ?, lastname = ?, phonenumber = ? WHERE id= ?")) { $stmt->bind_param("ssi", $firstname, $lastname, $phonenumber, $id); $stmt->execute(); $stmt->close(); } // show an error message if the query has an error else { echo "ERROR: could not prepare SQL statement."; } // redirect the user once the form is updated header("Location: view.php"); } } // if the 'id' variable is not valid, show an error message else { echo "Error!"; } } // if the form hasn't been submitted yet, get the info from the database and show the form else { // make sure the 'id' value is valid if (is_numeric($_GET['id']) && $_GET['id'] > 0) { // get 'id' from URL $id = $_GET['id']; // get the recod from the database if($stmt = $mysqli->prepare("SELECT * FROM players WHERE id=?")) { $stmt->bind_param("i", $id); $stmt->execute(); $stmt->bind_result($id, $firstname, $lastname, $phonenumber); $stmt->fetch(); // show the form renderForm($firstname, $lastname, $phonenumber, NULL, $id); $stmt->close(); } // show an error if the query has an error else { echo "Error: could not prepare SQL statement"; } } // if the 'id' value is not valid, redirect the user back to the view.php page else { header("Location: view.php"); } } } /* NEW RECORD */ // if the 'id' variable is not set in the URL, we must be creating a new record else { // if the form's submit button is clicked, we need to process the form if (isset($_POST['submit'])) { // get the form data $firstname = htmlentities($_POST['firstname'], ENT_QUOTES); $lastname = htmlentities($_POST['lastname'], ENT_QUOTES); $phonenumber = htmlentities($_POST['phonenumber'], ENT_QUOTES); // check that firstname and lastname are both not empty if ($firstname == '' || $lastname == '' || $phonenumber == '') { // if they are empty, show an error message and display the form $error = 'ERROR: Please fill in all required fields!'; renderForm($firstname, $lastname, $phonenumber, $error); } else { // insert the new record into the database if ($stmt = $mysqli->prepare("INSERT players (firstname, lastname, phonenumber) VALUES (?, ?, ?)")) { $stmt->bind_param("ss", $firstname, $lastname, $phonenumber); $stmt->execute(); $stmt->close(); } // show an error if the query has an error else { echo "ERROR: Could not prepare SQL statement."; } // redirec the user header("Location: view.php"); } } // if the form hasn't been submitted yet, show the form else { renderForm(); } } // close the mysqli connection $mysqli->close(); ?>
×
×
  • Create New...