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update.php
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update.php
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<?php
require 'database.php';
$id = null;
if ( !empty($_GET['id'])) {
$id = $_REQUEST['id'];
}
if ( null==$id ) {
header("Location: index.php");
}
if ( !empty($_POST)) {
// keep track validation errors
$firstError = null;
$lastError = null;
$emailError = null;
$mobileError = null;
// keep track post values
$first = $_POST['first'];
$last = $_POST['last'];
$email = $_POST['email'];
$mobile = $_POST['mobile'];
// validate input
$valid = true;
if (empty($first)) {
$firstError = 'Please enter First Name';
$valid = false;
}
if (empty($last)) {
$lastError = 'Please enter Last Name';
$valid = false;
}
if (empty($email)) {
$emailError = 'Please enter Email Address';
$valid = false;
} else if ( !filter_var($email,FILTER_VALIDATE_EMAIL) ) {
$emailError = 'Please enter a valid Email Address';
$valid = false;
}
if (empty($mobile)) {
$mobileError = 'Please enter Mobile Number';
$valid = false;
}
// update data
if ($valid) {
$pdo = Database::connect();
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$sql = "UPDATE contact set first = ?,last=?, email = ?, mobile =? WHERE id = ?";
$q = $pdo->prepare($sql);
$q->execute(array($first,$last,$email,$mobile,$id));
Database::disconnect();
header("Location: index.php");
}
} else {
$pdo = Database::connect();
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$sql = "SELECT * FROM contact where id = ?";
$q = $pdo->prepare($sql);
$q->execute(array($id));
$data = $q->fetch(PDO::FETCH_ASSOC);
$name = $data['first'];
$name = $data['last'];
$email = $data['email'];
$mobile = $data['mobile'];
Database::disconnect();
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<link href="css/bootstrap.min.css" rel="stylesheet">
<script src="js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<div class="span10 offset1">
<div class="row">
<h3>Update a Contact</h3>
</div>
<form class="form-horizontal" action="update.php?id=<?php echo $id?>" method="post">
<div class="control-group <?php echo !empty($firstError)?'error':'';?>">
<label class="control-label">First Name</label>
<div class="controls">
<input name="first" type="text" placeholder="First Name" value="<?php echo !empty($first)?$first:'';?>">
<?php if (!empty($firstError)): ?>
<span class="help-inline"><?php echo $firstError;?></span>
<?php endif; ?>
</div>
</div>
<div class="control-group <?php echo !empty($lastError)?'error':'';?>">
<label class="control-label">Last Name</label>
<div class="controls">
<input name="last" type="text" placeholder="Last Name" value="<?php echo !empty($last)?$last:'';?>">
<?php if (!empty($lastError)): ?>
<span class="help-inline"><?php echo $lastError;?></span>
<?php endif; ?>
</div>
</div>
<div class="control-group <?php echo !empty($emailError)?'error':'';?>">
<label class="control-label">Email Address</label>
<div class="controls">
<input name="email" type="text" placeholder="Email Address" value="<?php echo !empty($email)?$email:'';?>">
<?php if (!empty($emailError)): ?>
<span class="help-inline"><?php echo $emailError;?></span>
<?php endif;?>
</div>
</div>
<div class="control-group <?php echo !empty($mobileError)?'error':'';?>">
<label class="control-label">Mobile Number</label>
<div class="controls">
<input name="mobile" type="text" placeholder="Mobile Number" value="<?php echo !empty($mobile)?$mobile:'';?>">
<?php if (!empty($mobileError)): ?>
<span class="help-inline"><?php echo $mobileError;?></span>
<?php endif;?>
</div>
</div>
<div class="form-actions">
<button type="submit" class="btn btn-success">Update</button>
<a class="btn" href="index.php">Back</a>
</div>
</form>
</div>
</div> <!-- /container -->
</body>
</html>