Restore PayPal Standard for WooCommerce

A function call to __() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.

All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found 'wp_create_nonce'.

A function call to __() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.

A function call to __() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.

A function call to __() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.

Hook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: "woocommerce_paypal_standard_request_args".

A function call to __() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.

Global variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$section".

Global variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$required_files".

Global variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$file".