Slt,
Quand tu fais un phpinfo est ce que tu fois dans les extensions actives MySQL Support enabled
mysql
MySQL Support enabled
Active Persistent Links 0
Active Links 0
Client API version 4.1.3-beta
MYSQL_MODULE_TYPE external
MYSQL_SOCKET /tmp/mysql.sock
MYSQL_INCLUDE -I/Users/marc/svn/entropy/php-module/src/mysql-standard-4.1.3-beta-apple-darwin7.4.0-powerpc/include
MYSQL_LIBS -L/Users/marc/svn/entropy/php-module/src/mysql-standard-4.1.3-beta-apple-darwin7.4.0-powerpc/lib
Si non, il faut recompiler php avec le support mysql