Andrey, please have a look. Not sure if the test is correct, e.g. MySQL 5.5.3+ really...

diff --git a/ext/mysqli/tests/mysqli_stmt_execute_stored_proc_next_result.phpt b/ext/mysqli/tests/mysqli_stmt_execute_stored_proc_next_result.phpt
new file mode 100644 (file)
index 0000000..1f92ca1
--- /dev/null
+++ b/ext/mysqli/tests/mysqli_stmt_execute_stored_proc_next_result.phpt
@@ -0,0 +1,125 @@
+--TEST--
+mysqli_stmt_execute() - SP, next result
+--SKIPIF--
+<?php
+require_once('skipif.inc');
+require_once('skipifconnectfailure.inc');
+require_once('connect.inc');
+if (!$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket)) {
+       die(sprintf('skip Cannot connect to MySQL, [%d] %s.', mysqli_connect_errno(), mysqli_connect_error()));
+}
+if (mysqli_get_server_version($link) < 50503) {
+       die(sprintf('skip Needs MySQL 5.5.3+, found version %d.', mysqli_get_server_version($link)));
+}
+?>
+--FILE--
+<?php
+       require_once('connect.inc');
+       require_once('table.inc');
+
+       if (!mysqli_query($link, 'DROP PROCEDURE IF EXISTS p'))
+               printf("[003] [%d] %s.\n", mysqli_errno($link), mysqli_error($link));
+
+       if (mysqli_real_query($link, 'CREATE PROCEDURE p(IN ver_in VARCHAR(25)) BEGIN SELECT ver_in AS _ver_out; END;')) {
+               // one result set
+               if (!$stmt = mysqli_prepare($link, 'CALL p(?)'))
+                       printf("[005] Cannot prepare CALL, [%d] %s\n", mysqli_errno($link), mysqli_error($link));
+
+               $version = 'myversion';
+               if (!mysqli_stmt_bind_param($stmt, 's', $version))
+                       printf("[006] Cannot bind input parameter, [%d] %s\n", mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt));
+
+               if (!mysqli_stmt_execute($stmt))
+                       printf("[007] Cannot execute CALL, [%d] %s\n", mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt));
+
+               $version = 'unknown';
+               if (!mysqli_stmt_bind_result($stmt, $version) ||
+                               !mysqli_stmt_fetch($stmt))
+                       printf("[008] [%d] %s\n", mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt));
+
+               if ($version !== "myversion")
+                       printf("[009] Results seem wrong, got %s, [%d] %s\n",
+                               $version,
+                               mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt));
+
+               mysqli_stmt_free_result($stmt);
+
+               printf("[010] More results: %s\n", (mysqli_more_results($link)) ? "yes" : "no");
+               printf("[011] Next result: %s\n", (mysqli_next_result($link)) ? "yes" : "no");
+
+               if (!mysqli_stmt_close($stmt))
+                       printf("[012] Cannot close statement, [%d] %s\n", mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt));
+
+               if (!$link->query("SELECT 1"))
+                       printf("[013] [%d] %s\n", $link->errno, $link->error);
+
+       } else {
+               printf("[004] Cannot create SP, [%d] %s.\n", mysqli_errno($link), mysqli_error($link));
+       }
+
+       if (!mysqli_query($link, 'DROP PROCEDURE IF EXISTS p'))
+               printf("[014] [%d] %s.\n", mysqli_errno($link), mysqli_error($link));
+
+       if (mysqli_real_query($link, 'CREATE PROCEDURE p(IN ver_in VARCHAR(25)) BEGIN SELECT ver_in AS _ver_out; SELECT 1 AS _more; END;')) {
+               // two result sets
+               if (!$stmt = mysqli_prepare($link, 'CALL p(?)'))
+                       printf("[015] Cannot prepare CALL, [%d] %s\n", mysqli_errno($link), mysqli_error($link));
+
+               $version = 'myversion';
+               if (!mysqli_stmt_bind_param($stmt, 's', $version))
+                       printf("[016] Cannot bind input parameter, [%d] %s\n", mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt));
+
+               if (!mysqli_stmt_execute($stmt))
+                       printf("[017] Cannot execute CALL, [%d] %s\n", mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt));
+
+               $version = NULL;
+               if (!mysqli_stmt_bind_result($stmt, $version) ||
+                               !mysqli_stmt_fetch($stmt))
+                       printf("[018] [%d] %s\n", mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt));
+
+               if ($version !== "myversion")
+                       printf("[019] Results seem wrong, got %s, [%d] %s\n",
+                               $version,
+                               mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt));
+
+               if (!mysqli_more_results($link) || !mysqli_next_result($link))
+                       printf("[020] [%d] %s\n", $link->errno, $link->error);
+
+               $more = NULL;
+               if (!mysqli_stmt_bind_result($stmt, $more) ||
+                               !mysqli_stmt_fetch($stmt))
+                       printf("[021] [%d] %s\n", mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt));
+
+               if ($more !== 1)
+                       printf("[022] Results seem wrong, got %s, [%d] %s\n",
+                               $more,
+                               mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt));
+
+               if (!mysqli_stmt_close($stmt))
+                       printf("[023] Cannot close statement, [%d] %s\n", mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt));
+
+
+               if (!$link->query("SELECT 1"))
+                       printf("[024] [%d] %s\n", $link->errno, $link->error);
+
+       } else {
+               printf("[025] Cannot create SP, [%d] %s.\n", mysqli_errno($link), mysqli_error($link));
+       }
+
+       mysqli_close($link);
+       print "done!";
+?>
+--CLEAN--
+<?php
+require_once("connect.inc");
+if (!$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket))
+   printf("[c001] [%d] %s\n", mysqli_connect_errno(), mysqli_connect_error());
+
+@mysqli_query($link, 'DROP PROCEDURE IF EXISTS p');
+
+mysqli_close($link);
+?>
+--EXPECTF--
+[010] More results: yes
+[011] Next result: yes
+done!
\ No newline at end of file