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Hook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: "$this->option_name . '_settings_fields'".

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

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

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().

Functions declared in the global namespace by a theme/plugin should start with the theme/plugin prefix. Found: "a3_pvc_load_plugin_textdomain".

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

Processing form data without nonce verification.

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

Global constants defined by a theme/plugin should start with the theme/plugin prefix. Found: "A3_PVC_CSS_URL".

Processing form data without nonce verification.

Use placeholders and $wpdb->prepare(); found $sql

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: "a3_admin_ui_script_params".

Detected usage of a possibly undefined superglobal array index: $_POST[$this->google_api_key_option]. Check that the array index exists before using it.

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

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

Unescaped parameter $sql used in $wpdb->query()\n$sql assigned unsafely at line 103.

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

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

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

The use of function ini_set() is discouraged

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

Attempting a database schema change is discouraged.

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.