Cloudflare Zaraz Google Ads conversion tracking with "enhanced conversions"

checkout-succes.blade.php

<script>
var user_data_info = {
    sha256_email_address: '{{ normalizeAndHashEmailAddress($invoice->email) }}',
    sha256_phone_number:  '{{ normalizeAndHash(formatPhoneE164($invoice->billing_telephone)) }}',
    address:              {
        sha256_first_name: '{{ normalizeAndHash($firstname ?? '') }}',
        sha256_last_name:  '{{ normalizeAndHash($lastname ?? '') }}',
        sha256_street:     '{{ normalizeAndHash($invoice->billing_address . ' ' . $invoice->billing_address_nr) }}',
        postal_code:       '{{ $invoice->billing_zipcode }}',
        city:              '{{ $invoice->billing_city }}',
        country:           '{{ $invoice->billing_country }}',
        new_customer:      {{ $new_customer ? 'true' : 'false' }}
    }
};

// Google Ads conversion tracking
zaraz.track("conversion", {
    transaction_id: "ORDER ID",
    value:          AMOUNT
    currency:       'EUR',
    user_data:      JSON.stringify(user_data_info)
});
</script>

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functions.php

<?php

if (! function_exists('formatPhoneE164')) {
    /**
     * Format phonenumber to E164  (i use this library https://github.com/Propaganistas/Laravel-Phone)
     *
     *
     * @return mixed|string
     */
    function formatPhoneE164($value)
    {
        $value = Str::lower(trim($value));

        try {
            return (new PhoneNumber($value, 'NL'))
                ->formatE164();
        } catch (Exception $e) {
        }

        return $value;
    }
}

if (! function_exists('normalizeAndHash')) {
    function normalizeAndHash(string $value, bool $trimIntermediateSpaces = false): string
    {
        // Normalizes by first converting all characters to lowercase, then trimming spaces.
        $normalized = strtolower($value);

        if ($trimIntermediateSpaces) {
            // Removes leading, trailing, and intermediate spaces.
            $normalized = str_replace(' ', '', $normalized);
        } else {
            // Removes only leading and trailing spaces.
            $normalized = trim($normalized);
        }

        return hash('sha256', strtolower(trim($normalized)));
    }
}

if (! function_exists('normalizeAndHashEmailAddress')) {
    function normalizeAndHashEmailAddress(string $emailAddress): string
    {
        $normalizedEmail = strtolower($emailAddress);
        $emailParts = explode('@', $normalizedEmail);

        if (count($emailParts) > 1 && preg_match('/^(gmail|googlemail)\.com\s*/', $emailParts[1])) {
            // Removes any '.' characters from the portion of the email address before the domain
            // if the domain is gmail.com or googlemail.com.
            $emailParts[0] = str_replace('.', '', $emailParts[0]);
            $normalizedEmail = sprintf('%s@%s', $emailParts[0], $emailParts[1]);
        }

        return normalizeAndHash($normalizedEmail, true);
    }
}

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