sql server - Trouble returning MSSQL query results from PHP function -

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i'm getting strange error when attempting return results of working sqlsrv_query function call.

i have set up:

function test($someinput, &$someoutput) {   //set $dbc , $dbcoptions   //generate tsql   $params = array();   $stmt = sqlsrv_query($dbc, $tsql, $params, $dbcoptions);   $someoutput = $stmt;   return $stmt; }  $outputvar; $results = test($inputvar, $outputvar);  //---error being thrown here $rows = sqlsrv_num_rows($results); //$rows2 = sqlsrv_num_rows($outputvar); //---error being thrown here

in both lines (doesn't matter use), i'm getting error in php-errors.log file saying

php warning:  sqlsrv_num_rows(): 2 not valid ss_sqlsrv_stmt resource in e:\inetpub\wwwroot\directory\searchtest.php on line 58

which searchtest.php file i'm working on , line 58 have error-producing code.

why can not pass query results function this?

as per op's wish mark answered, comment (slightly modified) answer:

this sounds scope issue.

try passing $dbc function (best), or (not recommended) make global $dbc; in function.


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