how to add the integer values using foreach in php
$qproducts = '0';
foreach ($this->cart->getProducts() as $product) {
$qproducts .= $product['quantity'];
    }
$this->data['pquantity'] = $qproducts;

$qproducts = '0';
foreach ($this->cart->getProducts() as $product) {
    $qproducts += $product['quantity'];
}
$this->data['pquantity'] = $qproducts;

$qproducts = 0;
foreach ($this->cart->getProducts() as $product) {
    $qproducts += $product['quantity'];
}