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Delete record or Data using PostgreSQL and PHP


In this example we use 3 file for Delete record or Data using PostgreSQL and PHP.

  1. view.php
  2. database.php
  3. delete_process.php

view.php

<?php
include_once 'database.php';
$result = pg_query($db,"SELECT * FROM employee");
?>
<!DOCTYPE html>
<html>
<head>
	<title>Delete employee data</title>
</head>
<body>
<table>
	<tr>
		<td>First Name</td>
		<td>Last Name</td>
		<td>City</td>
		<td>Email id</td>
		<td>Action</td>
	</tr>
	<?php
	$i=0;
	while($row=pg_fetch_assoc($result)) {
	?>
	<tr>
		<td><?php echo $row["first_name"]; ?></td>
		<td><?php echo $row["last_name"]; ?></td>
		<td><?php echo $row["city_name"]; ?></td>
		<td><?php echo $row["email"]; ?></td>
		<td><a href="delete_process.php?userid=<?php echo $row["userid"]; ?>">Delete</a></td>
	</tr>
	<?php
	$i++;
	}
	?>
</table>
</body>
</html>			

database.php

<?php
   $host        = "host = 127.0.0.1";
   $port        = "port = 5432";
   $dbname      = "dbname = testdb";
   $credentials = "user = postgres password=pass123";
   $db = pg_connect( "$host $port $dbname $credentials"  );
?>

delete_process.php

<?php
	include_once 'database.php';
	$query = "DELETE FROM employee WHERE userid='" . $_GET["userid"] . "'";
	if($result = pg_query($query)){
		echo "Data Deleted Successfully.";
	}
	else{
		echo "Error.";
	}
?>