block-pw-admin.php

<?php
declare(strict_types=1);

class block_pw_admin
{
    public function init_queries(array $tableslc)
    {
        $table = qa_db_add_table_prefix('blockedpw');

        $sql = 'CREATE TABLE IF NOT EXISTS `qa_blockedpw` (
            `from_user_id` int(10) unsigned NOT NULL, 
            `to_user_id` int(10) unsigned NOT NULL
        ) ENGINE=InnoDB DEFAULT CHARSET=utf8';

        return in_array($table, $tableslc, true) ? null : $sql;
    }

    public function admin_form(): array
    {
        $saved = false;

        if (qa_clicked('plugin_blocked_pw_save_button')) {
            qa_opt('plugin_blocked_pw_enabled', (int) qa_post_text('plugin_blocked_pw_field'));
            $saved = true;
        }

        return [
            'ok' => $saved ? 'Saved' : null,
            'fields' => [
                [
                    'label' => 'Allow to block usser private messages',
                    'type' => 'checkbox',
                    'value' => (int) qa_opt('plugin_blocked_pw_enabled'),
                    'tags' => 'NAME="plugin_blocked_pw_field"',
                ]
            ],
            'buttons' => [
                [
                    'label' => 'Save Changes',
                    'tags' => 'NAME="plugin_blocked_pw_save_button"',
                ]
            ]
        ];
    }
}