Handling Complex WHERE clauses with a PHP Query Builder

Question

There are several ActiveRecord styled query builder libraries out there. Some are stand alone and some come built into frameworks. However, they really have trouble with WHERE a

Answer 1

This is part of my ActiveRecord class, I don't handle sub queries (I don't even bother):

public function Having($data, $operator = 'LIKE', $merge = 'AND')
{
    if (array_key_exists('query', $this->sql) === true)
    {
        foreach ($data as $key => $value)
        {
            $this->sql['having'][] = ((empty($this->sql['having']) === true) ? 'HAVING' : $merge) . ' ' . $this->Tick($key) . ' ' . $operator . ' ' . $this->Quote($value);
        }
    }

    return $this;
}

public function Where($data, $operator = 'LIKE', $merge = 'AND')
{
    if (array_key_exists('query', $this->sql) === true)
    {
        foreach ($data as $key => $value)
        {
            $this->sql['where'][] = ((empty($this->sql['where']) === true) ? 'WHERE' : $merge) . ' ' . $this->Tick($key) . ' ' . $operator . ' ' . $this->Quote($value);
        }
    }

    return $this;
}

One other thing that you may consider is having a customHaving() and customWhere() methods.