Add-on Gravity Forms – MailPoet 3

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

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

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

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 '__'.

Multiple placeholders in translatable strings should be ordered. Expected "%1$s, %2$s, %3$s, %4$s", but got "%s, %s, %s, %s" in '%s plugin requires %s plugin, Please activate %s first to using %s.'.

load_plugin_textdomain() has been discouraged since WordPress version 4.6. When your plugin is hosted on WordPress.org, you no longer need to manually include this function call for translations under your plugin slug. WordPress will automatically load the translations for you as needed.

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

Unescaped parameter $sql used in $wpdb->get_results($sql)\n$sql assigned unsafely at line 59:\n $sql = $wpdb->prepare("SELECT id, form_id, is_active, meta FROM $table_name WHERE form_id=%d $active_clause", $form_id)\n$table_name assigned unsafely at line 57:\n $table_name = self::get_mailpoet_table_name()\n$active_clause assigned unsafely at line 58:\n $active_clause = $only_active ? " AND is_active=1" : ""\n$form_id used without escaping.

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