PDF Invoices Italian Add-on for WooCommerce

The $domain parameter must be a single text string literal. Found: WCPDF_IT_DOMAIN

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

Processing form data without nonce verification.

$_GET['post_type'] not unslashed before sanitization. Use wp_unslash() or similar

Detected usage of a non-sanitized input variable: $_GET['tab']

Short PHP opening tag used with echo; expected "<?php echo $data ..." but found "<?= $data ..."

Detected usage of a possibly undefined superglobal array index: $_POST[&#039;user_id&#039;]. Check that the array index exists before using it.

Mismatched text domain. Expected 'woocommerce-pdf-invoices-italian-add-on' but got "woocommerce".

All output should be run through an escaping function (like esc_html_e() or esc_attr_e()), found '_e'.

Processing form data without nonce verification.

Resource version not set in call to wp_enqueue_style(). This means new versions of the style may not always be loaded due to browser caching.

In footer ($in_footer) is not set explicitly wp_enqueue_script; It is recommended to load scripts in the footer. Please set this value to `true` to load it in the footer, or explicitly `false` if it should be loaded in the header.

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.

PHP file should prevent direct access. Add a check like: if ( ! defined( 'ABSPATH' ) ) exit;

Detected usage of meta_key, possible slow query.

Offloading images, js, css, and other scripts to your servers or any remote service is disallowed.

Sanitization missing for register_setting().

Use of a direct database call is discouraged.

Direct database call without caching detected. Consider using wp_cache_get() / wp_cache_set() or wp_cache_delete().

Detected usage of meta_query, possible slow query.

date() is affected by runtime timezone changes which can cause date/time to be incorrectly displayed. Use gmdate() instead.

Hook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: &quot;$tab.&#039;_output&#039;&quot;.

Hook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: &quot;plugin_locale&quot;.

error_log() found. Debug code should not normally be used in production.

var_export() found. Debug code should not normally be used in production.