<?php /**/ ?><?php
function form_input_to_flickr_params($get,$defaults) {

  $params = array();
  foreach ($defaults as $arg => $default_value) {
     $params[$arg] = isset($get[$arg]) ? $get[$arg] : $default_value;
  }
  return $params;

}

  $default_args = array(

  "text" => 'flower',
  "text" => '',
  "lat0" => 37.81778516606761,
  "long0" => -122.34374999999999,
  "lat1" => 37.92619056937629,
  "long1" => -122.17208862304686,
  "page" => 1,
  "per_page" => 10,
  "format" => 'xml'

);

$v = form_input_to_flickr_params($_GET, $default_args);
print_r($v);


?>