diff -up rrd-0.10.0/rrd.c.features rrd-0.10.0/rrd.c
--- rrd-0.10.0/rrd.c.features	2011-03-02 12:55:17.000000000 +0100
+++ rrd-0.10.0/rrd.c	2011-03-07 19:21:51.543122688 +0100
@@ -33,6 +33,17 @@
 #include "rrd_update.h"
 #include "rrd_info.h"
 
+/* {{{ proto string rrd_strversion()
+Get the rrdtool library version
+*/
+PHP_FUNCTION(rrd_strversion)
+{
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "") == FAILURE) {
+		return;
+	}
+	RETVAL_STRING(rrd_strversion(), 1);
+}
+
 /* {{{ proto string rrd_error()
 Get the error message set by the last rrd tool function call, this function
 clear error buffer also.
@@ -535,6 +546,7 @@ static function_entry rrd_functions[] = 
 	PHP_FE(rrd_create, arginfo_rrd_create)
 	PHP_FE(rrd_graph, arginfo_rrd_graph)
 	PHP_FE(rrd_error, NULL)
+	PHP_FE(rrd_strversion, NULL)
 	PHP_FE(rrd_fetch, arginfo_rrd_fetch)
 	PHP_FE(rrd_first, arginfo_rrd_first)
 	PHP_FE(rrd_info, arginfo_rrd_info)
@@ -567,6 +579,7 @@ static PHP_MINFO_FUNCTION(rrd)
 	php_info_print_table_start();
 	php_info_print_table_header(2, "rrd tool module", "enabled");
 	php_info_print_table_row(2, "rrd tool module version", PHP_RRD_VERSION);
+	php_info_print_table_row(2, "rrdtool library version", rrd_strversion());
 	php_info_print_table_end();
 }
 /* }}} */
diff -up rrd-0.10.0/tests/rrd_019.phpt.features rrd-0.10.0/tests/rrd_019.phpt
--- rrd-0.10.0/tests/rrd_019.phpt.features	2011-03-07 19:29:07.381420065 +0100
+++ rrd-0.10.0/tests/rrd_019.phpt	2011-03-07 19:33:19.003867018 +0100
@@ -1,7 +1,11 @@
 --TEST--
 RRDGraph saveVerbose full export test
 --SKIPIF--
-<?php include('skipif.inc'); ?>
+<?php 
+if (version_compare(rrd_strversion(), '1.4.0', '<')) {
+    print 'skip - test only applies to rrdtool >= 1.4.x';
+}
+?>
 --FILE--
 <?php
 $rrdFile = dirname(__FILE__) . "/testData/speed.rrd";
diff -up rrd-0.10.0/tests/rrd_020.phpt.features rrd-0.10.0/tests/rrd_020.phpt
--- rrd-0.10.0/tests/rrd_020.phpt.features	2011-03-07 19:29:23.787149914 +0100
+++ rrd-0.10.0/tests/rrd_020.phpt	2011-03-07 19:33:21.040723827 +0100
@@ -0,0 +1,52 @@
+--TEST--
+RRDGraph saveVerbose full export test
+--SKIPIF--
+<?php 
+if (version_compare(rrd_strversion(), '1.4.0', '>=')) {
+    print 'skip - test only applies to rrdtool 1.3.x';
+}
+?>
+--FILE--
+<?php
+$rrdFile = dirname(__FILE__) . "/testData/speed.rrd";
+$outputPngFile = "-";
+$graphObj = new RRDGraph($outputPngFile);
+$graphObj->setOptions(array(
+	"--start" => "920804400",
+	"--end" => 920808000,
+	"--vertical-label" => "m/s",
+	"DEF:myspeed=$rrdFile:speed:AVERAGE",
+	"CDEF:realspeed=myspeed,1000,*",
+	"LINE2:realspeed#FF0000"
+));
+$output = $graphObj->saveVerbose();
+$imgData = $output["image"]; unset($output["image"]);
+//output without img data
+var_dump($output);
+//detection of correct PNG header
+var_dump(substr($imgData, 0, 8) == "\x89PNG\x0d\x0a\x1a\x0a");
+?>
+--EXPECTF--
+array(10) {
+  ["graph_left"]=>
+  int(67)
+  ["graph_top"]=>
+  int(22)
+  ["graph_width"]=>
+  int(400)
+  ["graph_height"]=>
+  int(100)
+  ["image_width"]=>
+  int(497)
+  ["image_height"]=>
+  int(149)
+  ["graph_start"]=>
+  int(920804400)
+  ["graph_end"]=>
+  int(920808000)
+  ["value_min"]=>
+  float(0)
+  ["value_max"]=>
+  float(40)
+}
+bool(true)