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09-02-2009, 10:13 AM

[eluser]Jay Logan[/eluser]
Here is a function that is part of one of my internet portals that let's me check the position a web site is in Google results.

Code:
function find_google_position()

    {

        $this->load->helper(array('dom', 'date'));

        $this->load->library(array('form_validation', 'typography'));

        $this->form_validation->set_rules('url', 'URL', 'trim|required|prep_url');

        $this->form_validation->set_rules('keywords', 'Keywords', 'trim|required');

        if ($this->form_validation->run() == FALSE) {

            redirect('admin/tools/google_positions');

        } else {

            $keywords = str_replace(' ', '+', $this->input->post('keywords'));

            $html = file_get_html('http://www.google.com/search?q='.$keywords.'&num=100&start=0');

            $new_lines = array("\t","\n","\r");

            $content = str_replace($new_lines, "", html_entity_decode($html));

            $results_array = $html->find('h3.r');

            foreach ($results_array as $result) {

                if (substr($result->find('a', 0)->href, -1) == "/") {

                    $clean_results_array[] = substr($result->find('a', 0)->href, 0, -1);

                } else {

                    $clean_results_array[] = $result->find('a', 0)->href;

                }

            }

            foreach ($clean_results_array as $key => $value) {

                if ($value == $this->input->post('url')) {

                    $position = $key + 1;

                }

            }

            $google_position_info['url'] = $this->input->post('url');

            $google_position_info['keywords'] = $this->input->post('keywords');

            if (isset($position)) {

                $google_position_info['current_position'] = $position;

            } else {

                $google_position_info['current_position'] = "Not within top 100.";

            }

            $google_position_info['date_added'] = time();

            $this->tools_model->add_google_position($google_position_info);

            redirect('admin/tools/google_positions');

            //print_r($clean_results_array);

        }

    }