PHP Delete Data from Database

Delete Data from Database in PHP

To delete any record from database on webpage first you need to create user interface so here i am going to create Html page and search box. First search record from database if it present then record will delete. To delete any record from database we use below MYSQL query.

delete from table_name where id=2;

connect-db.php

<?php

$server = 'localhost';
$user = 'user_name';
$pass = 'password';
$db = 'database_name';

// Connect to Database

$connection = mysqli_connect($server, $user, $pass)
or die("Could not connect to server ... \n" . mysqli_error ());

// select database
mysqli_select_db($db)
or die("Could not connect to database ... \n" . mysqli_error ());

?>

delete.html

<?php
include 'db-connect.php';

mysqli_select_db("tutorohx_rw", $conncection);

$valueToSearch = $_POST['valueToSearch'];

$sql = "SELECT * FROM letter_dispatch WHERE s_no=$valueToSearch";
$result = mysqli_query($sql, $connection);

?>

<?php

if ($result)
 {
  while($row = mysqli_fetch_array($result))
 {
?>

// Show Record

<h3>You Want to Delere Record:</h3>
<table class="table" border='0'>
<form method="post" action='delete-record-successfully.php' id="deleteform">
<tr><th>Serial no</th><td><span style="color:red; font-weight: bold; font-size:20px;"><?php echo $valueToSearch;?></span></td></tr>
<tr><th></th><td><input type=hidden name=s_no value=<?php echo $row['s_no']; ?>></td></tr>
<tr><td><input type="submit" form="deleteform" value="Delete"></td></tr>
</form>

<?php
 }
} 
?>
</table>

delete-record-successfully.php

<?php

include 'db-connect.php';

mysqli_select_db("tutorohx_rw", $conncection);

$s_no = $_POST['s_no'];

$sql = "DELETE FROM letter_dispatch where s_no='$s_no'";

$result = mysqli_query($sql, $connection);
if($result)
{
 echo"Record Deleted Successfully........";
}
else
{
 echo"Try Again........";
}

?>