Shopping Cart

<?php
add_hook('AcceptOrder', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('AddonFraud', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('AfterCalculateCartTotals', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('AfterFraudCheck', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('AfterShoppingCartCheckout', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('CancelOrder', 1, function($vars) {
    // Perform hook code here...
});

<?php

use WHMCS\View\Formatter\Price;

add_hook('CartItemsTax', '1', function ($vars) {
    $cartItems = $vars['cartData'];
    $client = $vars['clientData'];

    // Calculate your tax rate to apply
    $taxRate = 1.5; // 50%

    /** @var \WHMCS\Cart\Item\ItemInterface $item */
    foreach ($cartItems as $item) {
        if (!$item->isTaxed()) {
            continue;
        }

        /** @var Price $amountToday */
        $amountToday = $item->getAmount();

        // Set the price due today for the item
        $item->setAmount(new Price(
            ($amountToday->toNumeric() * $taxRate),
            $amountToday->getCurrency()
        ));

        if ($item->isRecurring()) {
            /** @var Price $recurringAmount */
            $recurringAmount = $item->getRecurringAmount();
            // Set the recurring price of the item
            $item->setRecurringAmount(
                new Price(
                    ($recurringAmount->toNumeric() * $taxRate),
                    $recurringAmount->getCurrency()
                )
            );
        }
    }

    return [
        'cartData' => $cartItems
    ];
});

<?php
add_hook('CartSubdomainValidation', 1, function($vars) {
    // Perform hook code here...
});

<?php

add_hook('CartTotalAdjustment', 1, function($vars) {
    $cart_adjustments = array();

    $products = $tlds = [];

    foreach ($vars['products'] as $product) {
        $products[] = $product['pid'];
    }

    foreach ($vars['domains'] as $domain) {
        if ($domain['type'] == 'register') {
            $domainParts = explode('.', $domain['domain'], 2);
            $tlds[] = $domainParts[1];
        }
    }

    if (in_array(1, $products) && in_array('co.uk', $tlds)) {
        $cart_adjustments = [
            "description" => "Custom discount for buying product 1 and a co.uk domain",
            "amount" => "-18.00",
            "taxed" => false,
        ];
    }
    return $cart_adjustments;
});

<?php
add_hook('DeleteOrder', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('FraudCheckAwaitingUserInput', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('FraudCheckFailed', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('FraudCheckPassed', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('FraudOrder', 1, function($vars) {
    // Perform hook code here...
});

<?php

use WHMCS\Service\Service;

add_hook('OrderAddonPricingOverride', 1, function($vars) {
    $return = [];
    if (array_key_exists('proddata', $vars)) {
        /**
         * This is a product and addon purchase
         */
        if ($vars['addonid'] == 1 && $vars['proddata']['pid'] == 1) {
            $return = ['setup' => '1.00', 'recurring' => '5.00',];
        }
    } else {
        /**
         * This is an addon only purchase for existing service
         */
        $serviceData = Service::find($vars['serviceid']);
        if ($serviceData && $vars['addonid'] == 1 && $serviceData->packageId == 1) {
            $return = ['setup' => '1.00', 'recurring' => '5.00',];
        }
    }
    return $return;
});

<?php

add_hook('OrderDomainPricingOverride', 1, function($vars) {
    // Perform operations to determine price.
    // To override the first payment amount only simply return a float
    return '64.95';
    // To override the first payment and recurring amount, return an array as follows
    return ['firstPaymentAmount' => 64.95, 'recurringAmount' => 14.45];
});

<?php
add_hook('OrderPaid', 1, function($vars) {
    // Perform hook code here...
});

<?php

use WHMCS\Authentication\CurrentUser;

add_hook('OrderProductPricingOverride', 1, function($vars) {
    $return = [];

    /**
     * Get the logged in client. Returns null if no client logged in.
     *
     * @see https://developers.whmcs.com/advanced/authentication/
     */
    $client = CurrentUser::client();

    /**
     * Run the following rules if a Client is logged in.
     */
    if ($client) {
        /**
         * Override the product price when ordering product 1 and the user has the ID 10.
         */
        if ($vars['pid'] == 1 && $client->id == 10) {
            $return = ['setup' => '0.00', 'recurring' => '0.00',];
        }

        /**
         * Override the product price when user has the ID 72.
         */
        if ($client->id == 72) {
            $return = ['setup' => '0.00', 'recurring' => '0.00',];
        }
    }
    return $return;
});

<?php

use WHMCS\Carbon;

add_hook('OrderProductUpgradeOverride', 1, function($vars) {
    $return = [];

    if ($vars['newproductid'] == 15) {
        /**
         * No promotion should be applied to product 15
         */
        $return['promoqualifies'] = false;
    }
    if (Carbon::now()->toDateString() == '2016-12-25') {
        /**
         * Offer half price upgrade on Christmas Day
         * This can also be done by halving the $vars['price'] and returning that.
         */
        $return['totaldays'] = round($vars['totaldays'] / 2);
    }
    return $return;
});

<?php

add_hook('OverrideOrderNumberGeneration', 1, function($vars) {
    // Generate and return a custom order number value (must be a valid integer).
    // We also recommend ensuring the custom number is unique.
    return time();
});

<?php
add_hook('PendingOrder', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('PreCalculateCartTotals', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('PreFraudCheck', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('PreShoppingCartCheckout', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('RunFraudCheck', 1, function($vars) {
    // Perform hook code here...
});

<?php

add_hook('ShoppingCartCheckoutCompletePage', 1, function($vars) {
    /**
     * Redirect all orders to a different page after the order complete page is loaded.
     */
    return '<META http-equiv="refresh" content="5;URL=http://www.mydomain.com/ownpage.html" />';
});

<?php

add_hook('ShoppingCartValidateCheckout', 1, function($vars) {
    return [
        'Error message feedback error 1',
        'Error message feedback error 2',
    ];
});

<?php

add_hook('ShoppingCartValidateDomain', 1, function($vars) {
    return [
        'Error message feedback error 1',
        'Error message feedback error 2',
    ];
});

<?php

add_hook('ShoppingCartValidateDomainsConfig', 1, function($vars) {
    return [
        'Error message feedback error 1',
        'Error message feedback error 2',
    ];
});

<?php

add_hook('ShoppingCartValidateProductUpdate', 1, function($vars) {
    return [
        'Error message feedback error 1',
        'Error message feedback error 2',
    ];
});

<?php

use WHMCS\Service\Service;
use WHMCS\Product\Product;

Hook::add('ShoppingCartValidateUpgrade', 1, function($vars) {
    try {
        $actualHosting = Service::findOrFail($vars['id']);
        $requestedUpgrade = Product::findOrFail($vars['pid']);

        if ($requestedUpgrade->overageDiskLimit == 0 && $requestedUpgrade->overageBandwidthLimit == 0) {
            return [];
        }

        if (
            $actualHosting->diskUsage > $requestedUpgrade->overageDiskLimit
            || $actualHosting->bandwidthUsage > $requestedUpgrade->overageBandwidthLimit
        ) {
            return [
                'Your current disk or bandwidth usage exceeds the limits of the chosen product. <br /><br />Please reduce usage or select a higher plan.',
            ];
        }
        return [];
    } catch (\Exception $e) {
        return [
            'Error message feedback error 1',
            'Error message feedback error 2',
        ];
    }
});