I have the following SELECT statement that is 'working' on the SQL Server query tool and returns rows. But, when I run it on PHP, it does not return any rows. I know the connection and the settings are working as when I create a simple query such as "SELECT * from ..." that works. here is my code.
$tsql = "SELECT [d].[Device_Type_Name],
[a].[Company_ID] AS [Alliance],
[a].[Device_Address]
FROM [dbo].[AL_LKP_User_Device] AS [a]
INNER JOIN [dbo].[AL_LKP_User] AS [b]
ON [a].[Login_ID] = [b].[Login_ID]
INNER JOIN [dbo].[AL_LKP_NOTIFICATION_MASTER_LOG] AS [c]
ON [b].[Login_ID] = [c].[Login_ID]
INNER JOIN [dbo].[AL_LKP_Device_Type] AS [d]
ON [a].[Device_Type_ID] = [d].[Device_Type_ID]";
$stmt = sqlsrv_query( $conn, $tsql);
if( !$stmt )
{
die( print_r( sqlsrv_errors(), true));
}
$rows = sqlsrv_has_rows($stmt);
if ($rows === true)
echo "There are rows. <br />";
else
echo "There are no rows. <br />";
I keep getting the there are no rows when there are actually rows there. Anything that I need to change in the SQL statement??
You should change your identical operator(===) to equal operator(==). Your $rows should actually contain values and you can test that by doing
print_r($rows)
or
vardump($rows)
I tested this:
$rows = array(1=>"a",2=>"b");
if ($rows === true)
echo "There are rows. <br />";
else
echo "There are no rows. <br />";
This does return "There are no rows" but if you change "===" to "==", you should be getting the "There are rows" answer.
1 == 1
is true 1 === '1'
is not true (left val is an integer, the other is a string) 1 == '1'
is true (disregards variable type)
I hope this helps.
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