pdo_dbh_prepare_func  245 ext/pdo/php_pdo_driver.h typedef int (*pdo_dbh_prepare_func)(pdo_dbh_t *dbh, const char *sql, size_t sql_len, pdo_stmt_t *stmt, zval *driver_options);
pdo_dbh_prepare_func  300 ext/pdo/php_pdo_driver.h 	pdo_dbh_prepare_func	preparer;