MAINHACK

Viewing / Editing File: initialize.php

<?php
// initialize.php
header('Content-Type: application/json');

// Replace with your Paystack test secret key
$secret_key = 'sk_test_77c5c5a7dae446b78c0b0ebed6aaad8770407255';

// Get input from the form (sanitize inputs in production)
$email = isset($_POST['email']) ? filter_var($_POST['email'], FILTER_SANITIZE_EMAIL) : null;
$amount = isset($_POST['amount']) ? (float)$_POST['amount'] * 100 : null; // Convert to pesewas

// Validate inputs
if (!$email || !$amount || $amount <= 0) {
    http_response_code(400);
    echo json_encode(['status' => false, 'message' => 'Invalid email or amount']);
    exit;
}

// Initialize transaction
$url = 'https://api.paystack.co/transaction/initialize';
$fields = [
    'email' => $email,
    'amount' => $amount, // In pesewas
    'currency' => 'GHS', // Explicitly set to Ghana Cedis
    'callback_url' => 'https://yourdomain.com/verify.php', // Optional: Redirect after payment
    'metadata' => json_encode(['custom_fields' => [
        ['display_name' => 'User ID', 'variable_name' => 'user_id', 'value' => '12345']
    ]])
];

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($fields));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    'Authorization: Bearer ' . $secret_key,
    'Content-Type: application/json'
]);

$response = curl_exec($ch);
$curl_error = curl_error($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);

// Check for cURL or HTTP errors
if ($curl_error || $http_code !== 200) {
    http_response_code($http_code ?: 500);
    echo json_encode([
        'status' => false,
        'message' => 'Initialization failed',
        'error' => $curl_error ?: 'HTTP ' . $http_code,
        'response' => $response
    ]);
    exit;
}

$result = json_decode($response, true);

// Check Paystack API response
if (!$result['status']) {
    http_response_code(400);
    echo json_encode([
        'status' => false,
        'message' => 'Paystack API error: ' . ($result['message'] ?? 'Unknown error'),
        'response' => $result
    ]);
    exit;
}

// Success: Return access_code
echo json_encode([
    'status' => true,
    'data' => $result['data']
]);
?>

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Viewing / Editing File: initialize.php

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