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