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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
CREATE DATABASE university;
USE university;
CREATE TABLE students (
id INT AUTO_INCREMENT PRIMARY KEY,
first_name VARCHAR(50) NOT NULL,
last_name VARCHAR(50) NOT NULL,
email VARCHAR(100) NOT NULL
);
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<?php
// Step 1: Connect to the database
// Assuming $mysqli is predefined
// Step 2: Handle form submission to insert data
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$first_name = $_POST['first_name'];
$last_name = $_POST['last_name'];
$email = $_POST['email'];
$stmt = $mysqli->prepare("INSERT INTO students (first_name, last_name, email) VALUES (?, ?, ?)");
$stmt->bind_param("sss", $first_name, $last_name, $email);
$stmt->execute();
$stmt->close();
}
// Step 3: Retrieve student data from the database
$result = $mysqli->query("SELECT id, first_name, last_name, email FROM students");
?>
<!DOCTYPE html>
<html>
<head>
<title>University Student Management</title>
</head>
<body>
<h1>Student Management</h1>
<!-- Step 4: Form to add new student -->
<form method="POST">
<label>First Name:</label>
<input type="text" name="first_name" required><br><br>
<label>Last Name:</label>
<input type="text" name="last_name" required><br><br>
<label>Email:</label>
<input type="email" name="email" required><br><br>
<button type="submit">Add Student</button>
</form>
<!-- Step 5: Display student data -->
<h2>Student List</h2>
<table border="1">
<tr>
<th>ID</th>
<th>First Name</th>
<th>Last Name</th>
<th>Email</th>
</tr>
<?php
// Display all student records
while ($row = $result->fetch_assoc()) {
echo "<tr>";
echo "<td>" . htmlspecialchars($row['id']) . "</td>";
echo "<td>" . htmlspecialchars($row['first_name']) . "</td>";
echo "<td>" . htmlspecialchars($row['last_name']) . "</td>";
echo "<td>" . htmlspecialchars($row['email']) . "</td>";
echo "</tr>";
}
$result->free();
?>
</table>
</body>
</html>
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