'sandbox', // PayPal REST App credentials for your Partner (platform) app 'client_id' => 'AZ0RTbfvdUAECrswIOBVnSzLMBgvAzv8qI56YfXPGN46ukzx4qhmeflsOodvzNHE7wd5MRXupBxFmvr0', 'client_secret' => 'EN-EaI-l4s9_CQOWzvLhVa-N1JHMUWjR22b3kfn3u8q5IHa3-hGRe6X8Sh_0LRc3jZyGTKvsV3QjeW5U', // Your Partner's PayPal Merchant ID (aka Payer ID). Required to look up merchant info by tracking_id // Find this in Business Profile > Account IDs in your PayPal dashboard (sandbox or live as appropriate) 'partner_merchant_id' => 'NEG5HMUKCTQNL', // Your base URL as accessed by the browser. Adjust port if using a different Apache port. // For XAMPP default: http://localhost/payp 'base_url' => 'http://localhost/payp', // Storage path (must be writable by Apache/PHP) 'storage_path' => __DIR__ . DIRECTORY_SEPARATOR . 'data', ];