Simple Doctrine Paginator and example usage for Symfony. Простейшая постраничная навигация в Symfony.

#1_PostController.php

<?php

namespace App\Controller;

use App\Utils\Paginator;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;

class PostController extends AbstractController
{
    public function index(Request $request, Paginator $paginator, EntityManagerInterface $em): Response
    {
        // Query or Query Builder
        // NOT RESULTS!
        $query = $em->getRepository(Post::class)->findActivePostsQuery();
        $paginator->paginate($query, $request->query->getInt('page', 1));

        return $this->render('index.html.twig', [
            'paginator' => $paginator,
        ]);
    }
}

#2_index.html.twig

{% for post in paginator.items %}
    {{ post.title }}
{% endfor %}

{% include 'paginator.html.twig' %}

#3_Paginator.php

<?php

namespace App\Utils;

use Doctrine\ORM\Query;
use Doctrine\ORM\QueryBuilder;
use Doctrine\ORM\Tools\Pagination\Paginator as OrmPaginator;

class Paginator
{
    /**
     * @var integer
     */
    private $total;

    /**
     * @var integer
     */
    private $lastPage;

    private $items;

    /**
     * @param QueryBuilder|Query $query
     * @param int $page
     * @param int $limit
     * @return Paginator
     */
    public function paginate($query, int $page = 1, int $limit = 10): Paginator
    {
        $paginator = new OrmPaginator($query);

        $paginator
            ->getQuery()
            ->setFirstResult($limit * ($page - 1))
            ->setMaxResults($limit);

        $this->total = $paginator->count();
        $this->lastPage = (int) ceil($paginator->count() / $paginator->getQuery()->getMaxResults());
        $this->items = $paginator;

        return $this;
    }

    public function getTotal(): int
    {
        return $this->total;
    }

    public function getLastPage(): int
    {
        return $this->lastPage;
    }

    public function getItems()
    {
        return $this->items;
    }
}

#4_paginator.html.twig

{% set _currentPage = app.request.query.get('page') ?: 1 %}
{% set _currentRoute = app.request.attributes.get('_route') %}
{% set _lastPage = paginator.lastPage %}
{% set _currentParams = app.request.query.all|merge(app.request.attributes.get('_route_params')) %}

{% if paginator.lastPage > 1 %}
    <nav>
        <ul class="pagination justify-content-center">
            <li class="page-item{{ _currentPage <= 1 ? ' disabled' : '' }}">
                <a class="page-link" href="{{ path(_currentRoute, _currentParams|merge({page: _currentPage - 1})) }}" aria-label="Previous">
                    &laquo; Назад
                </a>
            </li>
            {% for i in 1..paginator.lastPage %}
                <li class="page-item {% if i == _currentPage %}active{% endif %}">
                    <a class="page-link" href="{{ path(_currentRoute, _currentParams|merge({page: i})) }}">{{ i }}</a>
                </li>
            {% endfor %}
            <li class="page-item {{ _currentPage >= paginator.lastPage ? ' disabled' : '' }}">
                <a class="page-link" href="{{ path(_currentRoute, _currentParams|merge({page: _currentPage + 1})) }}" aria-label="Next">
                    Далее &raquo;
                </a>
            </li>
        </ul>
    </nav>
{% endif %}

You must have the QUERY returned in the repository, not the result!

$paginator = new OrmPaginator($query);

In the paginator template, you list all the pages as separate links. In case of 100< pages it will be a huge UI problem. Here's an updated version to display only 5 links in the pager:

paginator.html.twig

{% set _currentPage = app.request.query.get('page') ?: 1 %}
{% set _currentRoute = app.request.attributes.get('_route') %}
{% set _lastPage = paginator.lastPage %}
{% set _currentParams = app.request.query.all|merge(app.request.attributes.get('_route_params')) %}

{% if paginator.lastPage > 1 %}
    <nav>
        <ul class="pagination justify-content-center">
            <li class="page-item{{ _currentPage <= 1 ? ' disabled' : '' }}">
                <a class="page-link" href="{{ path(_currentRoute, _currentParams|merge({page: _currentPage - 1})) }}" aria-label="Previous">
                    &laquo; {{ "Previous"|trans }}
                </a>
            </li>
            {% set startPage = max(1, _currentPage - 2) %}
            {% set endPage = min(_lastPage, startPage + 4) %}
            {% if startPage > 1 %}
                <li class="page-item">
                    <a class="page-link" href="{{ path(_currentRoute, _currentParams|merge({page: 1})) }}">1</a>
                </li>
                {% if startPage > 2 %}
                    <li class="page-item disabled">
                        <span class="page-link">...</span>
                    </li>
                {% endif %}
            {% endif %}
            {% for i in startPage..endPage %}
                <li class="page-item {% if i == _currentPage %}active{% endif %}">
                    <a class="page-link" href="{{ path(_currentRoute, _currentParams|merge({page: i})) }}">{{ i }}</a>
                </li>
            {% endfor %}
            {% if endPage < _lastPage %}
                {% if endPage < _lastPage - 1 %}
                    <li class="page-item disabled">
                        <span class="page-link">...</span>
                    </li>
                {% endif %}
                <li class="page-item">
                    <a class="page-link" href="{{ path(_currentRoute, _currentParams|merge({page: _lastPage})) }}">{{ _lastPage }}</a>
                </li>
            {% endif %}
            <li class="page-item {{ _currentPage >= paginator.lastPage ? ' disabled' : '' }}">
                <a class="page-link" href="{{ path(_currentRoute, _currentParams|merge({page: _currentPage + 1})) }}" aria-label="Next">
                    {{ "Next"|trans }} &raquo;
                </a>
            </li>
        </ul>
    </nav>
{% endif %}