Array
(
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$ruta_contador = __DIR__ . "/ventas_maestro.json";
// 1. Leer datos actuales. Si no existe, lo creamos en 0
if(file_exists($ruta_contador)){
$datos = json_decode(file_get_contents($ruta_contador), true);
} else {
$datos = ['ventas' => 0, 'total_eur' => 0.00];
}
// 2. Función para sumar venta
function sumar_venta($importe){
global $ruta_contador, $datos;
$datos['ventas'] += 1;
$datos['total_eur'] += floatval($importe);
// Guardar de nuevo
file_put_contents($ruta_contador, json_encode($datos, JSON_PRETTY_PRINT));
}
// 3. Función para ver el total
function ver_contador(){
global $datos;
return $datos;
}
?>Cómo usarlo en tu IPN de PaypalCuando Paypal te confirme que el pago está "Completed":phpinclude 'contador.php';
// $mc_gross viene de Paypal y es el total pagado
sumar_venta($_POST['mc_gross']);
// Para verlo después
$stats = ver_contador();
echo "Ventas: " . $stats['ventas'] . " | Total: " . $stats['total_eur'] . "€";Se crea un archivo ventas_maestro.json donde guarda algo así:json{
"ventas": 12,
"total_eur": 543.89
}
Carrito de Compra
Gracias. Tu pedido ha sido recibido.
Numero de pedido:
Fecha:
26-07-2026
Total:
0.00 €
Método de pago:
Nuestros detalles bancarios.
Cuenta Bancaria 1:
Banco:Sabadell
Número de cuenta: 0001390546
IBAN: ES120081 5534 2200 0139 0546
Detalles del pedido.
CONCEPTO
TOTAL
PRECIO:
0.00 €
IVA:
0.00 €
ENVÍO:
€
MÉTODO DE PAGO:
TOTAL
0.00 €
Dirección de Facturación
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Dirección de Envío
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TODO BIENNNNNNNNNNNNNNNNN
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Valor del Producto:
