Получение значений TV заданных до "=="

<?php
$sql= "SELECT elements ";
$sql .= "FROM " . $modx->getFullTableName('site_tmplvars');
$sql .= "WHERE  name='" . $yourtvname . "' LIMIT 1";
$rs= $modx->dbQuery($sql);
$id_up = mysql_fetch_row($rs);

$res=$id_up[0];

$res1=array();
$output="";
$res1=explode('||',$res);
$i=0;
while ( each ($res1) )
{
list($key, $value) = explode('==',$res1[$i]);
if($value==$znach) {$output = $key; return $output;}
$i++;
}
?>

[[tvvaluer? &yourtvname=`имяTV` &znach=`[+имяTV_или_значение_после_==+]`]]

<?php
$items = explode("||", $modx->getChunk($options));
$names = array();
foreach ($items as $item) {
	list($k,$v) = explode("==",$item);
	$names[$v]=$k;
}
$values = explode(',', $output);
if (count($values)==1) return $names[$output];
$outputs = array();
foreach ($values as $v) $outputs[] = $names[$v];
return implode(', ',$outputs);
?>

<?php
$tv_tmp = $modx->getTemplateVar("style");

$tmp1 = array();
$tv_tmp['elements'] = str_replace(" ", "", $tv_tmp['elements']);
$tmp1 = explode("||", $tv_tmp['elements']);

$el = array();
foreach ($tmp1 as $key) {
$tmp2 = explode("==", $key);
if ($tmp2['1'] == $tv_tmp['value']) $option = $tmp2['0'];
}
return $option;
?>