Passing Form Values as an Array

<form name="module" method="post">
	<input name="opcode" type="hidden" value="" />
	<input type="hidden" name="act" value="createpoll" />
	<table class="grid" cellpadding="1" cellspacing="1" width="450">
	<tbody>
	<tr>
	<td>Question</th><td><input type="text" maxlength="255" size="40" name="question" value="' . $question . '" /></td>
	</tr>';
	
	for ($i = 1; $i < $numberOfChoices + 1; $i++){
		$output .= '<tr>
		<td>Choice ' . $i . '</td><td><input type="text" maxlength="255" size="40" name="answer[]" />
	<td><select name="color[]">
	<option value="blank">Bar Color:</option>
	<option value="red">Red</option>
	<option value="orange">Orange</option>
	<option value="yellow">Yellow</option>
	<option value="green">Green</option>
	<option value="blue">Blue</option>
	<option value="purple">Purple</option>
	</select></td>
	</tr>';
	}
	$output .= '<tr>
	<td colspan="3" align="center">Set Status As... <select name="status">
	<option value="0">Open</option>
	<option value="1">Closed</option>
	<option value="2">Hidden</option>
	</select>   <input type="submit" value="Create New Poll!" />   <input type="reset" value="Reset Changes" /></td>
	</tr>
	</tbody>
	</table>
	</form>
	</div>';

$timestamp = time();
		$question = isset($_POST['question']) ? clean($_POST['question']) : '';
		$status = isset($_POST['status']) ? clean($_POST['status']) : '';
		$choices = clean($_POST['answer']);
		$color = clean($_POST['color']);
		
		$modx->db->query("INSERT INTO " . $infoTable . " (question, created, status) 
						VALUES ('" . $question . "','" . $timestamp . "','" . $status . "')");
		$pollId = $modx->db->getInsertId();
		for ($i = 1; $i <= sizeof($choices); $i++){
				$modx->db->query("INSERT INTO " . $pollTable . " (poll_id, option_id, option_text, option_color) 
								VALUES ('" . $pollId . "','" . $i . "','" . $choices[$i] . "','" . $color[$i] . "')");
		} 

foreach($_POST as $key => $value) {
  $_POST[$key] = preg_replace($modxtags,"", $value);
}

foreach($_POST as $key => $value) {
  if (!is_array($value)) {
    $_POST[$key] = preg_replace($modxtags,"", $value);
  }
}

function explode2($delimeter, $string){
   for ($i = 0; $i < strlen($string); $i++){
       if ($string{$i} == '"'){
           if ($insidequotes)
               $insidequotes = false;
           else
               $insidequotes = true;
       }else if ($string{$i} == $delimeter){
           if ($insidequotes){
               $currentelement .= $string{$i};
           }else{
            $returnarray[$elementcount++] = $currentelement;
            $currentelement = '';
           }
       }else{
           $currentelement .= $string{$i};
       }
  }
   $returnarray[$elementcount++] = $currentelement;
   return $returnarray;
}