Share Facebook Share (PHP Code Igniter) code

ajax.php

public function save_share() {
    $response = array( 'response' => 'true' );
    
    $this->load->model( 'Share_model' );
    
    $meta = $this->input->post('meta');
    
    $insert = array(
        'share_type'  => $type,
        'share_meta'  => $meta['post_id'],
        'share_date'  => date(  'Y-m-d h:i:s' )
    );
    
    $query = $this->db->insert( 'shares', $insert ); 
    
    $data['response'] = $response;
    $this->load->view( 'json', $data );
}