<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/request-handling/class-wpml-language-resolution.php</b> on line <b>84</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/request-handling/class-wpml-language-resolution.php</b> on line <b>76</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/request-handling/class-wpml-language-resolution.php</b> on line <b>84</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/request-handling/class-wpml-language-resolution.php</b> on line <b>76</b><br />
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<b>Deprecated</b>:  Creation of dynamic property WPGravityFormsToPipedriveAPIClass::$_wpgf2pdcrm_fields_by_group is deprecated in <b>/home/supermemo/public_html/wp-content/plugins/gravity-forms-to-pipe-drive-crm/inc/pipedrive-api.php</b> on line <b>63</b><br />
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<b>Deprecated</b>:  Creation of dynamic property WPGravityFormsToPipedriveAddOn::$_wpgf2pdcrm_organisations_list_option_name is deprecated in <b>/home/supermemo/public_html/wp-content/plugins/gravity-forms-to-pipe-drive-crm/inc/pipedrive-feed-addon.php</b> on line <b>66</b><br />
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<b>Deprecated</b>:  Creation of dynamic property WPGravityFormsToPipedriveAddOn::$_wpgf2pdcrm_persons_list_option_name is deprecated in <b>/home/supermemo/public_html/wp-content/plugins/gravity-forms-to-pipe-drive-crm/inc/pipedrive-feed-addon.php</b> on line <b>67</b><br />
<br />
<b>Deprecated</b>:  Creation of dynamic property WPGravityFormsToPipedriveAddOn::$_wpgf2pdcrm_products_list_option_name is deprecated in <b>/home/supermemo/public_html/wp-content/plugins/gravity-forms-to-pipe-drive-crm/inc/pipedrive-feed-addon.php</b> on line <b>68</b><br />
<br />
<b>Deprecated</b>:  Creation of dynamic property WPGravityFormsToPipedriveFormField::$_wpgf2pdcrm_custom_fields_name_mapping_option is deprecated in <b>/home/supermemo/public_html/wp-content/plugins/gravity-forms-to-pipe-drive-crm/inc/pipedrive-gform-field.php</b> on line <b>57</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
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<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
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<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-includes/class-wp-block-type-registry.php</b> on line <b>168</b><br />
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<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-includes/class-wp-block-type-registry.php</b> on line <b>168</b><br />
<br />
<b>Deprecated</b>:  Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/vendor/wpml/fp/core/Obj.php</b> on line <b>98</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-includes/class-wp-block-type-registry.php</b> on line <b>168</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-includes/class-wp-block-type-registry.php</b> on line <b>168</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-includes/class-wp-block-type-registry.php</b> on line <b>168</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-includes/class-wp-block-type-registry.php</b> on line <b>168</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-includes/class-wp-block-type-registry.php</b> on line <b>168</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/wordpress-seo/src/memoizers/meta-tags-context-memoizer.php</b> on line <b>135</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/wordpress-seo/src/memoizers/presentation-memoizer.php</b> on line <b>49</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/wordpress-seo/src/memoizers/presentation-memoizer.php</b> on line <b>63</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/wordpress-seo/src/memoizers/presentation-memoizer.php</b> on line <b>66</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/wordpress-seo/src/memoizers/meta-tags-context-memoizer.php</b> on line <b>154</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/wordpress-seo/src/memoizers/meta-tags-context-memoizer.php</b> on line <b>157</b><br />
<br />
<b>Deprecated</b>:  Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/vendor/wpml/collect/src/Illuminate/Support/Collection.php</b> on line <b>1299</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/wordpress-seo/src/memoizers/meta-tags-context-memoizer.php</b> on line <b>135</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/wordpress-seo/src/memoizers/meta-tags-context-memoizer.php</b> on line <b>157</b><br />
<br />
<b>Deprecated</b>:  Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/vendor/wpml/collect/src/Illuminate/Support/Collection.php</b> on line <b>1299</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/wordpress-seo/src/memoizers/meta-tags-context-memoizer.php</b> on line <b>135</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/wordpress-seo/src/memoizers/meta-tags-context-memoizer.php</b> on line <b>157</b><br />
<br />
<b>Deprecated</b>:  Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/vendor/wpml/collect/src/Illuminate/Support/Collection.php</b> on line <b>1299</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/wordpress-seo/src/memoizers/meta-tags-context-memoizer.php</b> on line <b>135</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/wordpress-seo/src/memoizers/meta-tags-context-memoizer.php</b> on line <b>157</b><br />
<br />
<b>Deprecated</b>:  Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/vendor/wpml/collect/src/Illuminate/Support/Collection.php</b> on line <b>1299</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
<br />
<b>Deprecated</b>:  Using null as an array offset is deprecated, use an empty string instead in <b>/home/supermemo/public_html/wp-content/plugins/sitepress-multilingual-cms/classes/url-handling/converter/strategy/class-wpml-url-converter-subdir-strategy.php</b> on line <b>99</b><br />
{"id":35975,"date":"2019-04-30T07:00:00","date_gmt":"2019-04-30T07:00:00","guid":{"rendered":"https:\/\/www.supermemo.com?p=35975"},"modified":"2022-08-31T12:44:08","modified_gmt":"2022-08-31T12:44:08","slug":"pay-by-card","status":"publish","type":"post","link":"https:\/\/stage.supermemo.com\/en\/blog\/pay-by-card","title":{"rendered":"New payment methods for subscriptions"},"content":{"rendered":"<div class=\"container\"><div class=\"row\"><div class=\"col-md-10 col-lg-9 col-xl-8 mx-auto\">\n<div id=\"acf-block-intro-block_630f56db0e469\" class=\"acf-block-intro fz-20 c-mt-7 c-mb-6\">\n    <div class=\"entry-content\">\n        <p>Now activation of the SuperMemo.com Premium subscription is even easier! Add your payment card as a payment method and enjoy your access to 18 languages and over 200 courses for one month for free!<\/p>\n<p>Until now, activation of the Premium subscription was only available through PayPal. We are very pleased to inform you that now you can also use card payments. How to activate the subscription using the new method?<\/p>\n<ul>\n<li>Go to the <a href=\"https:\/\/www.supermemo.com\/en\/courses\" target=\"_blank\" rel=\"noopener\">Premium subscription page<\/a>.<\/li>\n<li>Click on the button with the text: &#8220;Join free for a month&#8221;.<\/li>\n<li>When logged in, fill in your payment details, select the credit card payment and click &#8220;Continue&#8221;.<\/li>\n<li>Fill in the card details and confirm with the &#8220;Subscribe&#8221; button.<\/li>\n<li>Wait for the confirmation email and start learning!<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n    <\/div>\n<\/div>\n<\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"Now activation of the SuperMemo.com Premium subscription is even easier! Add your payment card as a payment method and enjoy your access to 18 languages and over 200 courses for one month for free!","protected":false},"author":6,"featured_media":35953,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215,216],"tags":[746,740,765],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>New payment methods for subscriptions - SuperMemo<\/title>\n<meta name=\"description\" content=\"Now activation of the SuperMemo Premium subscription is even easier! 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