--TEST--
mysql_ping()
--SKIPIF--
<?php
require_once('skipif.inc');
require_once('skipifconnectfailure.inc');
?>
--FILE--
<?php
include_once "connect.inc";

$tmp    = NULL;
$link   = NULL;

require('table.inc');

if (!is_null($tmp = @mysql_ping($link, $link)))
	printf("[001] Expecting NULL, got %s/%s\n", gettype($tmp), $tmp);

var_dump(mysql_ping($link));

// provoke an error to check if mysql_ping resets it
$res = mysql_query('SELECT * FROM unknown_table', $link);
if (!($errno = mysql_errno($link)))
	printf("[002] Statement should have caused an error\n");

var_dump(mysql_ping($link));

if ($errno === mysql_errno($link))
	printf("[003] Error codes should have been reset\n");

var_dump(mysql_ping());
mysql_close($link);

if (false !== ($tmp = mysql_ping($link)))
	printf("[004] Expecting boolean/false, got %s/%s\n", gettype($tmp), $tmp);

print "done!";
?>
--CLEAN--
<?php
require_once("clean_table.inc");
?>
--EXPECTF--
bool(true)
bool(true)
bool(true)

Warning: mysql_ping(): %d is not a valid MySQL-Link resource in %s on line %d
done!