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Editing: LicensingManager.php

<?php

namespace Wpae\Scheduling;

class LicensingManager
{
    private $options = false;

public function checkLicense($licenseKey, $productName)
    {

if ($productName !== false) {
            // data to send in our API request
            $api_params = array(
                'edd_action' => 'activate_license',
                'license' => \PMXE_Plugin::decode($licenseKey),
                'item_name' => urlencode($productName) // the name of our product in EDD
            );

// Call the custom API.
            $response = wp_remote_get(
                esc_url_raw(add_query_arg(
                    $api_params,
                    $this->getInfoApiUrl()
                )),
                array(
                    'timeout' => 15,
                    'sslverify' => false
                )
            );

// make sure the response came back okay
            if (is_wp_error($response)){
                return ['success' => false];
            }

$responseData = \json_decode($response['body'], true);

if(is_null($responseData) || empty($responseData['success'])) {
                return $responseData ?? ['success' => false];
            } else {
                return $responseData;
            }
        } else {
            return ['success' => false];
        }
    }

public function getLicense()
    {
        $options = $this->getOptions();
        return $options['license'];
    }

public function getInfoApiUrl()
    {
        $options = $this->getOptions();
        return $options['info_api_url'];
    }

private function getOptions()
    {
        // Cache the options
        if(!$this->options) {
            $this->options = \PMXE_Plugin::getInstance()->getOption();
        }

return $this->options;
    }
}

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