lamine_wp/web/app/themes/la_mine/accueil.php

<?php
/**
 * template name: Accueil
 */

use Timber\Post;
use Timber\Timber;

$context         = Timber::get_context();
$post            = new Post();
$context['post'] = $post;

$projet = array(
  'post_type' => 'les-projets',
  'post_status'=>'publish',
  'numberposts' => 3
);

$tpsF = array(
  'post_type' => 'les-temps-forts',
  'post_status'=>'publish',
  'numberposts' => 3
);

$today = date('Y-m-d H:i:s');

$args = array (
    'post_type' => 'post',
    'orderby' => 'informations_debut_event',
    'order' => 'ASC',
    'meta_query' => array(
        array(
            'key'  => 'informations_debut_event',
            'compare'   => '>=',
            'value'     => $today,
        ),
      ),
    'numberposts' => 3
);

$context['video_url'] = get_field('video_la_mine', FALSE, FALSE);

$context['projet'] = Timber::get_posts( $projet );
$context['posts'] = Timber::get_posts( $args );
$count_events = count($context['posts']);

$args = array (
    'post_type' => 'post',
    'orderby' => 'informations_fin_event',
    'order' => 'ASC',
    'meta_query' => array(
        array(
            'key'  => 'informations_fin_event',
            'compare'   => '>=',
            'value'     => $today,
        ),
      ),
    'numberposts' => 3
);

if ($count_events == 0) {
  $context['posts_now'] = Timber::get_posts( $args );
}

$context['tpsF'] = Timber::get_posts( $tpsF );

Timber::render('accueil.twig', $context);