【php】验证表单 邮箱

<?php//验证表单都填写了function filled_out($form_vars) { // test that each variable has a value foreach ($form_vars as $key => $value) { if ((!isset($key)) || ($value == '')) { return false; } } return true;}//验证邮箱function valid_email($address) { // check an email
address is possibly valid $pattern = "/^([0-9A-Za-z\\-_\\.]+)@([0-9a-z]+\\.[a-z]{2,3}(\\.[a-z]{2})?)$/i"; if (preg_match($pattern, $address)) { return true; } else { return false; } }?>