Studify PHP Files Explained: Configuration & Student Management

Explanation of Studify PHP Files
Grok 3 (Generated for User)
May 5, 2025
Contents
1 Introduction 3
2 config.php 3
2.1 Purpose .................................... 3
2.2 KeyInstructions ............................... 3
3 test_db.php 3
3.1 Purpose .................................... 3
3.2 KeyInstructions ............................... 3
4 test_email.php 4
4.1 Purpose .................................... 4
4.2 KeyInstructions ............................... 4
5 api.php 4
5.1 Purpose .................................... 4
5.2 KeyInstructions ............................... 5
6 verify.php 5
6.1 Purpose .................................... 5
6.2 KeyInstructions ............................... 6
7 reset.php 6
7.1 Purpose .................................... 6
7.2 KeyInstructions ............................... 6
8 db_connect.php 6
8.1 Purpose .................................... 6
8.2 KeyInstructions ............................... 7
9 add_student.php 7
9.1 Purpose .................................... 7
9.2 KeyInstructions ............................... 7
10 edit_student.php 8
10.1Purpose .................................... 8
10.2KeyInstructions ............................... 8
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Studify PHP Files Explanation May 5, 2025
11 sync_local_storage.php 8
11.1Purpose .................................... 8
11.2KeyInstructions ............................... 9
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Studify PHP Files Explanation May 5, 2025
1 Introduction
This document provides a detailed explanation of the PHP files used in a user regis-
tration and student management system for the Studify application. The files include
configuration settings, database and email testing scripts, a user management API, email
verification, password reset, and student data management (add, edit, sync). Each section
describes the purpose and key instructions in the respective file.
2 config.php
2.1 Purpose
The config.php file defines constants for database connection and PHPMailer email
settings, centralizing configuration data for reuse across the application.
2.2 Key Instructions
•Database Constants:
–define(’DB_HOST’, ’localhost’): Sets the database host to the local server.
–define(’DB_USER’, ’root’): Specifies the database user as root.
–define(’DB_PASS’, ’sjXSNT73’): Defines the database password.
–define(’DB_NAME’, ’studify’): Names the database studify.
•PHPMailer Constants:
–define(’SMTP_HOST’, ’smtp.gmail.com’): Configures Gmail’s SMTP server.
–define(’SMTP_USERNAME’, ’[email protected]’): Sets the sender
email.
–define(’SMTP_PASSWORD’, ’...’): Uses an app-specific password for Gmail.
–define(’SMTP_PORT’, 587) and define(’SMTP_SECuneet’)
–define(’EMAIL_FROM’, ’...’) and define(’EMAIL_FROM_NAME’, ’Studify
Platform’): Sets sender details.
3 test_db.php
3.1 Purpose
The test_db.php script tests the database connection using settings from config.php.
3.2 Key Instructions
•require_once ’config.php’: Includes configuration constants.
•new mysqli(DB_HOST, DB_USER, DB_PASS, DB_NAME): Establishes a database con-
nection.
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Studify PHP Files Explanation May 5, 2025
•if ($conn->connect_error) { die("Connection failed: ..."); }: Exits with
an error if the connection fails.
•echo "Connected successfully": Confirms a successful connection.
•$conn->close(): Closes the connection.
4 test_email.php
4.1 Purpose
The test_email.php script tests email functionality using PHPMailer and config.php
settings.
4.2 Key Instructions
•require ’vendor/autoload.php’: Loads PHPMailer via Composer.
•use PHPMailer\PHPMailer\PHPMailer: Imports PHPMailer classes.
•require_once ’config.php’: Loads email settings.
•$mail = new PHPMailer(true): Initializes PHPMailer with exception handling.
•SMTP Configuration:
–$mail->SMTPDebug = 2: Enables verbose debugging.
–$mail->isSMTP(),$mail->Host, etc.: Configures SMTP settings.
•Email Setup:
–$mail->setFrom(...): Sets sender details.
–$mail->addAddress(’[email protected]’): Specifies the recipient.
–$mail->isHTML(true): Enables HTML email content.
–$mail->Subject and $mail->Body: Defines email content.
•$mail->send(): Sends the email.
•echo ’Email sent successfully’: Confirms success.
•catch (Exception $e): Handles errors.
5 api.php
5.1 Purpose
The api.php file is the core backend API, handling user registration, login, and password
recovery with email verification and reset functionality.
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Studify PHP Files Explanation May 5, 2025
5.2 Key Instructions
•Setup:
–Checks for config.php and vendor/autoload.php.
–date_default_timezone_set(’Europe/Paris’): Sets timezone.
–header(’Content-Type: application/json’): Sets JSON output.
•Database Connection:
–new mysqli(...): Connects to the database.
–Exits with JSON error on failure.
•Email Function (sendEmail):
–Configures PHPMailer and sends HTML emails.
–Logs and returns success or error.
•Register Action:
–Sanitizes inputs and hashes password.
–Generates a verification token.
–Checks for existing email.
–Inserts user data and sends a verification email.
•Login Action:
–Verifies email, password, and verification status.
–Starts a session on success.
•Recover Action:
–Validates email and generates a reset token.
–Updates the database and sends a reset email.
•Error Handling: Uses try-catch for general errors.
•$conn->close(): Closes the connection.
6 verify.php
6.1 Purpose
The verify.php file handles email verification by validating a token and updating the
user’s status.
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