Erreur SQL !
FROM posts WHERE (REPLACE (titre_post,"é","e") LIKE "%pianiste\\\\\\"%" OR REPLACE (texte_post,"é","e") LIKE "%pianiste\\\\\\"%") AND affiche_post="1" AND (REPLACE (titre_post,"é","e") LIKE "%\\\\\\"21\\\\\\"=\\\\\\"21%" OR REPLACE (texte_post,"é","e") LIKE "%\\\\\\"21\\\\\\"=\\\\\\"21%") AND affiche_post="1" AND sujet_post="1" ORDER BY id_post DESC
FROM posts WHERE (REPLACE (titre_post,"é","e") LIKE "%pianiste\\\\\\"%" OR REPLACE (texte_post,"é","e") LIKE "%pianiste\\\\\\"%") AND affiche_post="1" AND (REPLACE (titre_post,"é","e") LIKE "%\\\\\\"21\\\\\\"=\\\\\\"21%" OR REPLACE (texte_post,"é","e") LIKE "%\\\\\\"21\\\\\\"=\\\\\\"21%") AND affiche_post="1" AND sujet_post="1" ORDER BY id_post DESC