public function addContent($content, $query)
{
$this->currentPost++;
foreach ($this->items as $item) {
$result = in_array(Parser::solve($item['equation'], array('x' => $this->currentPost)), $item['results']);
if ($result === true) {
echo $item['content'];
}
}
}
public function solveExpression($expression)
{
return Parser::solve($expression);
}