added new functions:

mysqli_connect_error
  mysqli_connect_errno

  which return possible errors for the last connect

ext/mysqli/mysqli_api.c

@@ -1422,6 +1422,8 @@ PHP_FUNCTION(mysqli_real_connect)
 		php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", mysql_error(mysql));
 		RETURN_FALSE;
 	}
+	php_mysqli_set_error(mysql_errno(mysql), (char *)mysql_error(mysql) TSRMLS_CC);
+	
 	RETURN_TRUE;
 }
 /* }}} */
@@ -1675,23 +1677,23 @@ PHP_FUNCTION(mysqli_stmt_close)
 /* }}} */
 
 /* {{{ proto void mysqli_stmt_data_seek(object stmt, int offset)
-   Move internal result pointer */
+Move internal result pointer */
 PHP_FUNCTION(mysqli_stmt_data_seek)
 {
-	STMT 		*stmt;
-	zval  		*mysql_stmt;
-	PR_STMT  	*prstmt;  
-	long  		offset;
+STMT 		*stmt;
+zval  		*mysql_stmt;
+PR_STMT  	*prstmt;  
+long  		offset;
 
-	if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Ol", &mysql_stmt, mysqli_stmt_class_entry, &offset) == FAILURE) {
-		return;
-	}
+if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Ol", &mysql_stmt, mysqli_stmt_class_entry, &offset) == FAILURE) {
+	return;
+}
 
-	MYSQLI_FETCH_RESOURCE(stmt, STMT *, prstmt, PR_STMT *, &mysql_stmt, "mysqli_stmt");
+MYSQLI_FETCH_RESOURCE(stmt, STMT *, prstmt, PR_STMT *, &mysql_stmt, "mysqli_stmt");
 
 
-	mysql_stmt_data_seek(stmt->stmt, offset);
-	return;
+mysql_stmt_data_seek(stmt->stmt, offset);
+return;
 }
 /* }}} */
 

ext/mysqli/mysqli_fe.c

@@ -50,6 +50,8 @@ function_entry mysqli_functions[] = {
 	PHP_FE(mysqli_close,								NULL)
 	PHP_FE(mysqli_commit,								NULL)
 	PHP_FE(mysqli_connect, 								NULL)
+	PHP_FE(mysqli_connect_errno,						NULL)
+	PHP_FE(mysqli_connect_error,						NULL)
 	PHP_FE(mysqli_data_seek,							NULL)
 	PHP_FE(mysqli_debug,								NULL)
 	PHP_FE(mysqli_disable_reads_from_master,			NULL)

ext/mysqli/mysqli_nonapi.c

@@ -76,6 +76,7 @@ PHP_FUNCTION(mysqli_connect)
 		mysql_close(mysql);
 		RETURN_FALSE;
 	}
+	php_mysqli_set_error(mysql_errno(mysql), (char *) mysql_error(mysql) TSRMLS_CC);
 
 	if (MyG(profiler)) {
 		prmysql = (PR_MYSQL *)MYSQLI_PROFILER_NEW(prmain, MYSQLI_PR_MYSQL, 0);
@@ -99,6 +100,22 @@ PHP_FUNCTION(mysqli_connect)
 }
 /* }}} */
 
+/* {{{ proto int mysqli_connct_errno()
+   Returns the numerical value of the error message from last connect command */
+PHP_FUNCTION(mysqli_connect_errno)
+{
+	RETURN_LONG(MyG(error_no));
+}
+/* }}} */
+
+/* {{{ proto string mysqli_connect_error()
+   Returns the text of the error message from previous MySQL operation */
+PHP_FUNCTION(mysqli_connect_error) 
+{
+	RETURN_STRING(MyG(error_msg),1);
+}
+/* }}} */
+
 /* {{{ proto array mysqli_fetch_array (object result [,int resulttype])
    Fetch a result row as an associative array, a numeric array, or both */
 PHP_FUNCTION(mysqli_fetch_array) 

ext/mysqli/php_mysqli.h

@@ -203,6 +203,8 @@ PHP_FUNCTION(mysqli_character_set_name);
 PHP_FUNCTION(mysqli_close);
 PHP_FUNCTION(mysqli_commit);
 PHP_FUNCTION(mysqli_connect);
+PHP_FUNCTION(mysqli_connect_errno);
+PHP_FUNCTION(mysqli_connect_error);
 PHP_FUNCTION(mysqli_data_seek);
 PHP_FUNCTION(mysqli_debug);
 PHP_FUNCTION(mysqli_disable_reads_from_master);