ProfilesFilterForm.php

<?php

namespace Drupal\webprofiler\Form;

use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;

/**
 * Class ProfilesFilterForm
 */
class ProfilesFilterForm extends FormBase {
    
    /**
     * {@inheritdoc}
     */
    public function getFormId() {
        return 'webprofiler_profiles_filter';
    }
    
    /**
     * {@inheritdoc}
     */
    public function buildForm(array $form, FormStateInterface $form_state) {
        $form['ip'] = [
            '#type' => 'textfield',
            '#title' => $this->t('IP'),
            '#size' => 30,
            '#default_value' => $this->getRequest()->query
                ->get('ip'),
            '#prefix' => '<div class="form--inline clearfix">',
        ];
        $form['url'] = [
            '#type' => 'textfield',
            '#title' => $this->t('Url'),
            '#size' => 30,
            '#default_value' => $this->getRequest()->query
                ->get('url'),
        ];
        $form['method'] = [
            '#type' => 'select',
            '#title' => $this->t('Method'),
            '#options' => [
                'GET' => 'GET',
                'POST' => 'POST',
            ],
            '#default_value' => $this->getRequest()->query
                ->get('method'),
        ];
        $limits = [
            10,
            50,
            100,
        ];
        $form['limit'] = [
            '#type' => 'select',
            '#title' => $this->t('Limit'),
            '#options' => array_combine($limits, $limits),
            '#default_value' => $this->getRequest()->query
                ->get('limit'),
        ];
        $form['actions'] = [
            '#type' => 'actions',
        ];
        $form['actions']['filter'] = [
            '#type' => 'submit',
            '#value' => t('Filter'),
            '#attributes' => [
                'class' => [
                    'button--primary',
                ],
            ],
            '#suffix' => '</div>',
        ];
        return $form;
    }
    
    /**
     * {@inheritdoc}
     */
    public function submitForm(array &$form, FormStateInterface $form_state) {
        $ip = $form_state->getValue('ip');
        // ['values']['ip'];
        $url = $form_state->getValue('url');
        $method = $form_state->getValue('method');
        $limit = $form_state->getValue('limit');
        $url = new Url('webprofiler.admin_list', [], [
            'query' => [
                'ip' => $ip,
                'url' => $url,
                'method' => $method,
                'limit' => $limit,
            ],
        ]);
        $form_state->setRedirectUrl($url);
    }

}