"; echo "
\n"; if (!empty(trim($activity->activity_icon))) { echo "
hw_anchor."\" name=\"".$activity->hw_anchor."\">   ".$activity->activity_title."
"; ?> { max-width : 72%; 80 line-height: 1.5em; 2 font-size : 105%; 120 } */ } else { echo "
hw_anchor."\" name=\"".$activity->hw_anchor."\">   ".$activity->activity_title."
"; } echo "
\n"; echo "
\n"; echo "
";

        echo "".$activity->activity_id." ".$activity->instructions."";
  $instructions_demo = trim($activity->instructions_demo);
  if (!empty($activity->instructions_demo))  {
    echo "\n
".$activity->instructions_demo."
";
  }
  if (!empty($activity->instructions02))  {
    echo "\n".$activity->instructions02."";
  }
//echo "
\n";
    echo "
\n"; // class=\"sbook_middle_right_column\" /// echo "
"; echo "
"; echo "
    "; foreach($activity->qa as $qa1) { $array_qa[] = $qa1; shuffle ($array_qa); } foreach($array_qa as $qa) { //foreach($array_qa as ${qa.$uniq_div_from_activity_title}) { if (trim($qa->qs) != null) { $string = trim($qa->qs); $full_string_wo_spaces = trim(preg_replace("/[^\da-z]/i",'_',$string )); // use as a unique identifier //$string_wo_spaces = trim(preg_replace("/[^\da-z]/i",'_',$string)); $string2 = trim($qa->ans); // 20220125-1234 $string_wo_spaces = trim(preg_replace("/[^\da-z]/i",'_',$string2)); $box01 = "
    "; //$box01 = "
    "; //$box01 = "
    "; $box01 = $box01. "
    "; $box01 = $box01. "".$string.""; $box01 = $box01. "
    "; $box01 = $box01. "

    "; echo $box01."
    "; // place before script or else will fail! //reset($array_qa); // no difference //echo "
    \n"; echo "\n"; echo "\n"; } } // foreach($array_qa as $qa) echo "
\n"; echo "
\n"; // echo "
\n"; sbook b13-01 echo "
\n"; echo "
"; // XXXXXXX check if still needed in sbook
echo "
    ";
foreach($activity->qa as $qa) { 
if (trim($qa->qs) != null) {

  echo "
  1. ".trim($qa->qs)."
    2. ";
if ($qa->ans != null) {
$enotes3_activity_title = trim(preg_replace("/[^\da-z]/i", '',$activity->activity_title));
//$enotes3_ref = preg_replace("/[^A-Za-z0-9]/", '', $qa->qs);
$enotes3_ref = preg_replace("/[^\da-z]/i", '', $qa->qs);
$enotes3_ref = trim($enotes3_ref);

echo "";
//echo "".$qa->ans."\n";
echo "
    ".$qa->ans."
    \n";

if (trim($qa->hint) != null) {
echo "".$qa->hint."\n";
}
}

// foreach loop continues
$enotes3_ref = preg_replace("/[^\da-z]/i", '', $qa->qs);
$enotes3_ref = trim($enotes3_ref);

echo "
    ";
//echo "
    \n";
//echo "
    ".$qa->ans."
    ";
echo "
     
    ";
echo "
    \n";
}
}
echo "
\n";

///
    echo "
"; echo "
\n"; echo "
\n"; echo "
\n"; reset($array_qa); // no difference reset($qa1); // no difference ?>