Recent Posts Widget With Thumbnails

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

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

Missing $domain parameter in function call to __().

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

strip_tags() is discouraged. Use the more comprehensive wp_strip_all_tags() instead.

Using exclusionary parameters, like post__not_in, in calls to get_posts() should be done with caution, see https://wpvip.com/documentation/performance-improvements-by-removing-usage-of-post__not_in/ for more information.

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

A function call to esc_html__() 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.

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().

Simple placeholders should not be quoted in the query string in $wpdb->prepare(). Found: '%s'.

Classes declared by a theme/plugin should start with the theme/plugin prefix. Found: "Recent_Posts_Widget_With_Thumbnails".

Functions declared in the global namespace by a theme/plugin should start with the theme/plugin prefix. Found: "register_recent_posts_widget_with_thumbnails".

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

File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: chmod().

parse_url() is discouraged because of inconsistency in the output across PHP versions; use wp_parse_url() instead.

unlink() is discouraged. Use wp_delete_file() to delete a file.

wp_get_sites() has been deprecated since WordPress version 4.6.0. Use get_sites() instead.

Mismatched Requires at least: 2.9 != 4.6. "Requires at least" needs to be exactly the same with that in your main plugin file's header.