data_valid_fns.php

php源码 php源码参考

<?php

function filled_out($form_vars)
{
  // test that each variable has a value
  foreach ($form_vars as $key => $value)
  {
     if (!isset($key) || ($value === '')) 
        return false;
  } 
  return true;
}

function clean($string)
{
  $string = trim($string);
  $string = htmlentities($string);
  $string = strip_tags($string);
  return $string;
}

function clean_all($form_vars)
{
  foreach ($form_vars as $key => $value)
  {
     $form_vars[$key] = clean($value);
  }
  return $form_vars;
}

?>