Erreur SQL !
FROM posts WHERE (REPLACE (titre_post,"é","e") LIKE "%narnia%" OR REPLACE (texte_post,"é","e") LIKE "%narnia%") AND affiche_post="1" AND (REPLACE (titre_post,"é","e") LIKE "%4\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"%" OR REPLACE (texte_post,"é","e") LIKE "%4\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"%") AND affiche_post="1" AND sujet_post="1" ORDER BY id_post DESC