FilterRes.php
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<?php
abstract class FilterRes
{
abstract function getCondResult($cond);
abstract function getAll();
function andOp($cond_res1,$cond_res2)
{
$result = array();
for ($i = 0; $i < count($cond_res1); $i++)
for ($j = 0; $j < count($cond_res2); $j++)
if ($cond_res1[$i] == $cond_res2[$j])
{
array_push($result,$cond_res1[$i]);
break;
}
return $result;
}
function orOp($cond_res1,$cond_res2)
{
$result = $cond_res1;
for ($i = 0; $i < count($cond_res2); $i++)
{
$found = false;
for ($j = 0; $j < count($result); $j++)
if ($cond_res2[$i] == $result[$j])
{
$found = true;
break;
}
if (!$found)
array_push($result,$cond_res2[$i]);
}
return $result;
}
function getResult($filter,$isEmptyFilter)
{
if ($isEmptyFilter)
return $this->getAll();
$ops = array();
$cond_res = array();
for ($i = 0 ; $i < count($filter); $i++)
{
$cond = $filter[$i];
$cond_res[$i] = $this->getCondResult($cond);
$ops[$i] = $cond['logical'];
}
for ($i = 1; $i < count($cond_res); $i++)
{
if ($ops[$i] != 'and')
continue;
$cond_res[$i-1] = $this->andOp($cond_res[$i-1],$cond_res[$i]);
array_splice($cond_res, $i, 1);
array_splice($ops, $i, 1);
$i--;
}
for ($i = 1; $i < count($cond_res); $i++)
{
if ($ops[$i] != 'or')
continue;
$cond_res[$i-1] = $this->orOp($cond_res[$i-1],$cond_res[$i]);
array_splice($cond_res, $i, 1);
array_splice($ops, $i, 1);
$i--;
}
return $cond_res[0];
}
}
?>