lib/omise/OmiseSearch.php
private function mergeAttributes($key, $value)
    {
        $this->dirty = true;
        $this->attributes[$key] = $value;

        return $this;
    }
private function mergeAttributes($key, $value)
    {
        $this->dirty = true;
        $this->attributes[$key] = $value;

        return $this;
    }
private function mergeAttributes ( $ key , $ value ) { $ this -> dirty = true ; $ this -> attributes [ $ key ] = $ value ; return $ this ; }
Merge the given key and value to search attributes, and set instance state
as dirty.

@param  string $key    Search attribute key.
@param  mixed  $value  Search attribute value.

@return OmiseSearch  This instance.
Merge the given key and value to search attributes and set instance state as dirty .