I figured it out
Code is wrong on 2nd part.
if (($i++ % 2) == 0 )
should be if (($i++ % 2) != 0 )
And one line was missing in the middle $i = 0; rewind_posts();
So in the end, general code is :
<?php
$i = 0;
$rows = get_field('articles_de_presse');
echo '<div class="odd-column">' ;
foreach($rows as $row) {
if (($i++ % 2) == 0 ) {
echo '<div class="actupost"><h3>' . $row['auteur_de_larticle'] . '</h3><div class="actuexeprt">'. $row['contenu_de_larticle'] .' </div></div>';
}
}
echo '</div>' ;
$i = 0; rewind_posts();
$rows = get_field('articles_de_presse');
echo '<div class="even-column">' ;
foreach($rows as $row) {
if (($i++ % 2) != 0 ) {
echo '<div class="actupost"><h3>' . $row['auteur_de_larticle'] . '</h3><div class="actuexeprt">'. $row['contenu_de_larticle'] .' </div></div>';
}
}
echo '</div>' ;?>