A simple crud applications using mysqli in PHP and MySQL that I wrote before in learning the PHP and MySQL Database programming.
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Program Listing
db.php
<?php
$host = "localhost";
$username = "";
$password = "";
$dbname = "";
$con = mysqli_connect($host, $username, $password, $dbname);
if (!$con) {
die("Connection failed" . mysqli_errno($con));
}
?>
index.php
<?php
// including the database connection
//include_once 'db.php';
// Inserting data into the database if submit button is clicked
if (isset($_POST['submit'])) {
$first_name = $_POST['fname'];
$last_name = $_POST['lname'];
$email = $_POST['email'];
$date_of_birth = $_POST['dob'];
if (!empty($first_name && $last_name && $email && $date_of_birth)) {
$insert_query = mysqli_query($con, "INSERT INTO users(f_name, l_name, email, dob) VALUES('$first_name', '$last_name', '$email', '$date_of_birth')");
if ($insert_query > 0) {
$msg = "Successfully Added to the Database";
}else {
$msg = "Submission Failed";
}
}
}
// update data if update button is clicked
if (isset($_POST['update'])) {
$first_name = $_POST['fname'];
$last_name = $_POST['lname'];
$email = $_POST['email'];
$date_of_birth = $_POST['dob'];
$hidden_id = $_POST['hidden_id'];
if (!empty($first_name && $last_name && $email && $date_of_birth)) {
$update_query = mysqli_query($con, "UPDATE users SET f_name ='$first_name', l_name ='$last_name', email ='$email', dob ='$date_of_birth' WHERE id ='$hidden_id'");
if ($update_query > 0) {
$msg = "Database record updated successfully";
}else {
$msg = "Update Failed";
}
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Crud Apllication</title>
<!-- Bootstrap Core CSS -->
<link href="css/bootstrap.min.css" rel="stylesheet">
<!-- Custom CSS -->
<link href="css/custom.css" rel="stylesheet">
<script src="js/jquery.js"></script>
<script src="js/bootstrap.min.js"></script>
<script src="js/bootbox.min.js"></script>
</head>
<body>
<!-- Navigation -->
<nav class="navbar navbar-inverse navbar-fixed-top" role="navigation">
<div class="container">
<!-- Brand and toggle get grouped for better mobile display -->
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<p class="" style="margin-left: 360px; color: white; padding-top: 6px; font-size: 20px;"><?php if (isset($msg)) echo $msg; ?></p>
</div>
</div>
<!-- /.container -->
</nav>
<!-- Page Content -->
<div class="container">
<div class="row">
<div class="col-md-12">
<h1 class="page-header text-center">
CRUD APPLICATION
<small>Create, Read, Update & Delete Database Records</small>
</div>
</div>
<form class="form-horizontal" action="" method="POST" >
<div class="form-group">
<div class="col-md-4 col-md-offset-2">
<input type="text" name="fname" class="form-control " placeholder="First Name" value="<?php if (isset($first_name)) echo $first_name;?>" auto="off">
</div>
<div class="col-md-4">
<input type="text" name="lname" class="form-control" placeholder="Last Name" value="<?php if (isset($last_name)) echo $last_name;?>">
</div>
</div>
<div class="form-group">
<div class="col-md-4 col-md-offset-2">
<input type="email" name="email" class="form-control " placeholder="Email Address" value="<?php if (isset($email)) echo $email;?>">
</div>
<div class="col-md-4">
<input type="date" name="dob" class="form-control" placeholder="Date of Birth" value="<?php if (isset($dob)) echo $dob;?>">
</div>
</div>
<div class="form-group">
<div class="col-md-8 col-lg-offset-2">
<button class="btn btn-block btn-success btn-lg" name="submit" type="submit">Add Record<span class="glyphicon glyphicon-chevron-right"></span></button>
</div>
</div>
</form>
<hr>
<div class="col-md-12">
<table class="table table-striped table-bordered table-responsive">
<thead>
<tr class="success">
<th>S/N</th>
<th>Full Name</th>
<th>Email</th>
<th>Date of Birth</th>
<th>Actions</th>
</tr>
</thead>
<tbody>
<?php
/*$i = 0;
$read_query = mysqli_query($con, "SELECT * FROM users");
while ($rows = mysqli_fetch_assoc($read_query)) {
$i++; ?>
<tr>
<td><?php echo $i; ?></td>
<td><?php echo $rows['f_name']." ".$rows['l_name']; ?></td>
<td><?php echo $rows['email']; ?></td>
<td><?php echo $rows['dob']; ?></td>
<td>
<a href="update.php?update=<?php echo $rows['id'];?>" class="btn btn-primary">Update</a>
  
<a class="delete text-danger" data-id="<?php echo $rows['id']; ?>" href="javascript:void(0)">
<i class="glyphicon glyphicon-trash"></i>
</a>
</td>
</tr>
<?php }*/ ?>
</tbody>
</table>
</div>
</div>
</body>
<script src="js/myscript.js"></script>
</html>
delete.php
<?php
include_once 'db.php';
if ($_REQUEST['delete']) {
$d_id = $_REQUEST['delete'];
$delete_query = mysqli_query($con, "DELETE FROM users WHERE id='$d_id'");
if ($delete_query > 0) {
echo "Product Deleted Successfully ...";
}
}
update.php
<?php
// including the database connection
include_once 'db.php';
// show users details if update button is clicked
/*if (isset($_GET['update'])) {
$update_id = $_GET['update'];
$user_data = mysqli_fetch_assoc(mysqli_query($con, "SELECT * FROM users WHERE id='$update_id'"));
$first_name = $user_data['f_name'];
$last_name = $user_data['l_name'];
$email = $user_data['email'];
$dob = $user_data['dob'];
}*/
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Crud Application</title>
<!-- Bootstrap Core CSS -->
<link href="css/bootstrap.min.css" rel="stylesheet">
<!-- Custom CSS -->
<link href="css/custom.css" rel="stylesheet">
<script src="js/jquery.js"></script>
<script src="js/bootstrap.min.js"></script>
</head>
<body>
<style type="text/css">
body{
padding-top: 30px;
}
</style>
<!-- Navigation -->
<nav class="navbar navbar-inverse navbar-fixed-top" role="navigation">
<div class="container">
<!-- Brand and toggle get grouped for better mobile display -->
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<p class="" style="margin-left: 350px; color: white; padding-top: 6px;"><?php if (isset($msg)) echo $msg; ?></p>
</div>
</div>
<!-- /.container -->
</nav>
<!-- Page Content -->
<div class="container">
<div class="row"> <!-- Blog Entries Column -->
<div class="col-md-12">
<h1 class="page-header text-center">
CRUD APPLICATION
<small>Update Database Records</small>
</div>
</div>
<form class="form-horizontal" action="index.php" method="POST" >
<div class="form-group">
<div class="col-md-4 col-md-offset-2">
<input type="text" name="fname" class="form-control " placeholder="First Name" value="<?php if (isset($first_name)) echo $first_name;?>">
</div>
<div class="col-md-4">
<input type="text" name="lname" class="form-control" placeholder="Last Name" value="<?php if (isset($last_name)) echo $last_name;?>">
</div>
</div>
<div class="form-group">
<div class="col-md-4 col-md-offset-2">
<input type="email" name="email" class="form-control " placeholder="Email Address" value="<?php if (isset($email)) echo $email;?>">
</div>
<div class="col-md-4">
<input type="date" name="dob" class="form-control" placeholder="Date of Birth" value="<?php if (isset($dob)) echo $dob;?>">
</div>
<input type="hidden" name="hidden_id" value="<?php if (isset($_GET['update'])) echo $_GET['update']; ?>">
</div>
<div class="form-group">
<div class="col-md-8 col-lg-offset-2">
<button class="btn btn-block btn-info btn-lg" name="update" type="submit">Update Record<span class="glyphicon glyphicon-chevron-right"></span></button>
<hr class="text-danger">
</div>
</div>
</form>
<hr>
</div>
</body>
</html>
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