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<?
// common/user/userId_by_userStudentId.phpinc
// Get the userId from the userStudentId.
// Returns f_userId.
if (da()) debugTrackBegin();
if ( isset($_SESSION['userId']) &&$_SESSION['userId'] == -1 ) $DEBUG_userId_by_userStudentId = true;
if ( !isset($DEBUG_userId_by_userStudentId) ) $DEBUG_userId_by_userStudentId = false;
$query = "
SELECT userId
FROM `user`
WHERE userStudentId = '".query_safe($userStudentId)."'
";
$v_userStudentResult = query_do($query);
$v_userStudentResultCount = $_SESSION['qry']['count'];
if ( $DEBUG_userId_by_userStudentId ) {
printVar('$query',$query,'q');
printVar('$v_userStudentResult',$v_userStudentResult,'f');
}
if ($v_userStudentResultCount != 1) {
$f_error = 'Got '.$v_userStudentResultCount.' users with userStudentId '.$userStudentId.'.<span class="d_s_fl"> '.basename(__FILE__).':'.__LINE__.'</span><span class="d_s_fp"> '.basename(__FILE__).':'.__LINE__.'</span>';
require('common/pageHeader.phpinc');
require('common/displayErrorsAndMessages.phpinc');
require('common/pageFooter.phpinc');
}
mysqli_data_seek($v_userStudentResult, 0);
$v_userStudentRow = mysqli_fetch_assoc($v_userStudentResult);
$f_userId = $v_userStudentRow['userId'];
if ( $DEBUG_userId_by_userStudentId ) {
printVar('$f_userId',$f_userId,'f');
}
// Cleanup.
unset($v_userStudentResult);
unset($v_userStudentResultCount);
unset($v_userStudentRow);
if (da()) debugTrackEnd();
?>