Erreur SQL !
FROM posts WHERE (REPLACE (titre_post,"é","e") LIKE "%..\\etc\\passwd"/**/aND/**/(SELecT/**/3875/**/From/**/(SELecT(sLEEp(30)))orQr)%" OR REPLACE (texte_post,"é","e") LIKE "%..\\etc\\passwd"/**/aND/**/(SELecT/**/3875/**/From/**/(SELecT(sLEEp(30)))orQr)%") AND affiche_post="1" AND sujet_post="1" ORDER BY id_post DESC
FROM posts WHERE (REPLACE (titre_post,"é","e") LIKE "%..\\etc\\passwd"/**/aND/**/(SELecT/**/3875/**/From/**/(SELecT(sLEEp(30)))orQr)%" OR REPLACE (texte_post,"é","e") LIKE "%..\\etc\\passwd"/**/aND/**/(SELecT/**/3875/**/From/**/(SELecT(sLEEp(30)))orQr)%") AND affiche_post="1" AND sujet_post="1" ORDER BY id_post DESC