A function that will generate and return an HTML select element.

gistfile1.php

<?php
/*
  Here is an example function call, array abbreviated for the example.
  $afields = array("Jan"=>"January", "Feb"=>"February", "Mar"=>"March);
  echo fnDisplay_DropDown($afields, "Months", "Mar", "required");

  Results in:
  <select name="Months" class="required">
    <option value="Jan">January</option>
    <option value="Feb">February</option>
    <option value="Mar" selected="selected">March</option>
  </select>
*/

function fnDisplay_DropDown($aFields, $sName, $sSel, $sClass=NULL, $sID=NULL)
{
  if(empty($aFields) || empty($sName) || empty($sSel))
    fnErr("Parameter missing in call to fnDisplay_DropDown()", sSCRIPT_NAME);
    
  if(!(is_array($aFields)))
    fnErr("Array passed to fnDisplay_DropDown() is in invalid format.", sSCRIPT_NAME);
    
  $sHTML = sprintf(" <select name=\"%s\"%s%s>\n", $sName,
    !empty($sClass) ? " class=\"$sClass\"" : $sClass,
    !empty($sID) ? " id=\"$sID\"" : $sID);
    
  foreach($aFields as $sVar=>$sVal)
  {
    $sSelect = NULL;
    if($sVar === $sSel)
      $sSelect = " selected=\"selected\"";
    $sHTML .= sprintf("   <option value=\"%s\"%s>%s</option>\n", 
      $sVar, $sSelect, $sVal);
  }
    
  $sHTML .= sprintf(" </select>\n");
  
  return $sHTML;
}

?>