PHP validate_string函数代码示例

             $last_post_time = $row['last_post_time'];
         }
         $db->sql_freeresult($result);
     }
     if ($last_post_time && $current_time - $last_post_time < intval($config['flood_interval'])) {
         $error[] = $user->lang['FLOOD_ERROR'];
     }
 }
 // Validate username
 if ($post_data['username'] && !$user->data['is_registered'] || $mode == 'edit' && $post_data['poster_id'] == ANONYMOUS && $post_data['username'] && $post_data['post_username'] && $post_data['post_username'] != $post_data['username']) {
     include $phpbb_root_path . 'includes/functions_user.' . $phpEx;
     $user->add_lang('ucp');
     if (($result = validate_username($post_data['username'], !empty($post_data['post_username']) ? $post_data['post_username'] : '')) !== false) {
         $error[] = $user->lang[$result . '_USERNAME'];
     }
     if (($result = validate_string($post_data['username'], false, $config['min_name_chars'], $config['max_name_chars'])) !== false) {
         $min_max_amount = $result == 'TOO_SHORT' ? $config['min_name_chars'] : $config['max_name_chars'];
         $error[] = sprintf($user->lang['FIELD_' . $result], $user->lang['USERNAME'], $min_max_amount);
     }
 }
 if ($config['enable_post_confirm'] && !$user->data['is_registered'] && in_array($mode, array('quote', 'post', 'reply'))) {
     $captcha_data = array('message' => utf8_normalize_nfc(request_var('message', '', true)), 'subject' => utf8_normalize_nfc(request_var('subject', '', true)), 'username' => utf8_normalize_nfc(request_var('username', '', true)));
     $vc_response = $captcha->validate($captcha_data);
     if ($vc_response) {
         $error[] = $vc_response;
     }
 }
 // check form
 if (($submit || $preview) && !check_form_key('posting')) {
     $error[] = $user->lang['FORM_INVALID'];
 }

 private function validate_username($username)
 {
     $error = array();
     if (!function_exists('validate_string')) {
         include $this->root_path . 'includes/functions_user.' . $this->php_ext;
     }
     if (($result = validate_username($username)) !== false) {
         $error[] = $this->user->lang[$result . '_USERNAME'];
     }
     if (($result = validate_string($username, false, $this->config['min_name_chars'], $this->config['max_name_chars'])) !== false) {
         $min_max_amount = $result == 'TOO_SHORT' ? $this->config['min_name_chars'] : $this->config['max_name_chars'];
         $error[] = $this->user->lang('FIELD_' . $result, $min_max_amount, $this->user->lang['USERNAME']);
     }
     return $error;
 }

<?php

require "ajax-shared-functions.php";
if (!isset($_GET["searchQuery"])) {
    $do_query = 0;
} else {
    $SearchQuery = validate_string($_GET["searchQuery"]);
    if (strlen($SearchQuery) >= $config["min_items_search"]) {
        $do_query = 1;
    } else {
        $do_query = 0;
    }
}
if ($do_query) {
    switchConnection("armory", REALM_NAME);
    $doquery_pls_gm = execute_query("SELECT * FROM `cache_item_search` WHERE `item_name` LIKE '%" . change_whitespace($SearchQuery) . "%' AND `mangosdbkey` = " . $realms[REALM_NAME][2]);
    $TotalCachedItems = mysql_num_rows($doquery_pls_gm);
    $item_search_cache = array();
    while ($result_pls_gm = mysql_fetch_assoc($doquery_pls_gm)) {
        $item_search_cache[$result_pls_gm["item_id"]] = $result_pls_gm;
        $Items[] = array($result_pls_gm["item_id"], $result_pls_gm["item_name"], $result_pls_gm["item_level"], $result_pls_gm["item_source"], $result_pls_gm["item_relevance"]);
    }
    switchConnection("mangos", REALM_NAME);
    if ($config["locales"]) {
        $ItemsQuery = execute_query("SELECT `entry` FROM `locales_item` WHERE `name_loc" . $config["locales"] . "` LIKE '%" . change_whitespace($SearchQuery) . "%'");
    } else {
        $ItemsQuery = execute_query("SELECT `entry` FROM `item_template` WHERE `name` LIKE '%" . change_whitespace($SearchQuery) . "%'");
    }
    $TotalItems = mysql_num_rows($ItemsQuery);
    if ($TotalItems > $TotalCachedItems) {
        while ($ItemInfo = mysql_fetch_assoc($ItemsQuery)) {

 if ($_POST['secure_input'] != $_SESSION['secure_token']) {
     throw new Exception("Wrong secured token");
 }
 if (empty($_POST['username']) || empty($_POST['password']) || empty($_POST['password2'])) {
     throw new Exception("Missing information");
 }
 $username = $_POST['username'];
 $password = $_POST['password'];
 $password2 = $_POST['password2'];
 if (strlen($username) < 4) {
     throw new Exception("Username is to short, minimum 4 characters");
 }
 if (strlen($password) < 6) {
     throw new Exception("Password is to short, minimum 6 characters");
 }
 if (!validate_string($username)) {
     throw new Exception("Invalid characters in the username");
 }
 if ($password != $password2) {
     throw new Exception("Passwords did not match");
 }
 $db = new DB("users");
 $db->select("user_name = '" . $username . "'");
 if ($db->numRows()) {
     throw new Exception("Username does already exist");
 }
 $passkey = md5(uniqid(true));
 $password_secret = generatePassword(12);
 $password_hash = md5($password_secret . $password . $password_secret);
 $db = new DB("users");
 $db->setColPrefix("user_");

function validate_string_or_error($string, $valid_chars)
{
    $invalid_chars = validate_string($string, $valid_chars, true);
    if ($invalid_chars == true) {
        return $string;
    }
    header('Content-type: text/html');
    print "ERROR: Invalid chars in \"{$string}\": \"{$invalid_chars}\"";
    return '';
}

$first_name = $_POST['first_name'];
$last_name = $_POST['last_name'];
$address1 = $_POST['address1'];
$address2 = $_POST['address2'];
$city = $_POST['city'];
$state = $_POST['state'];
$zip = $_POST['zip'];
$country = $_POST['country'];
// Validate POST data
$b_is_first_name_valid = validate_string($first_name);
$b_is_last_name_valid = validate_string($last_name);
$b_is_address_valid = validate_address($address1, $address2);
$b_is_city_valid = validate_city($city);
$b_is_state_valid = validate_string($state);
$b_is_zip_valid = validate_zip($zip);
$b_is_country_valid = validate_string($country);
// Verify required fields have been populated with valid input.
if ($b_is_first_name_valid == true && $b_is_last_name_valid == true && $b_is_address_valid == true && $b_is_city_valid == true && $b_is_state_valid == true && $b_is_zip_valid == true && $b_is_country_valid == true) {
    // Create array of data to submit.
    $data = array('first_name' => $first_name, 'last_name' => $last_name, 'address1' => $address1, 'address2' => $address2, 'city' => $city, 'state' => $state, 'zip' => $zip, 'country' => $country);
    // Submit data to database.
    $b_rc = submit_to_database($data);
    if ($b_rc == true) {
        // Print html and body tags.
        echo "<html>\n";
        echo "<body>\n";
        // Show registration confirmation message.
        echo "Thanks for registering!<br>\n";
        // Close body and html tags.
        echo "</body>\n";
        echo "</html>\n";

<?php

if (!defined("Armory")) {
    header("Location: ../error.php");
    exit;
}
$error = "";
if (!isset($_GET["character"])) {
    $error = "If you are seeing this error message, you must have followed a bad link to this page.";
} else {
    if (!($request = validate_string($_GET["character"]))) {
        $error = "You have entered " . $_GET["character"] . " which is invalid character name.";
    } else {
        switchConnection("characters", REALM_NAME);
        $StatQuery = execute_query("SELECT `guid`, `data`, `name`, `race`, `class` FROM `characters` WHERE `name` = '" . $request . "'" . exclude_GMs() . " LIMIT 1");
        if (!($data = mysql_fetch_assoc($StatQuery))) {
            $error = "Character " . $request . " does not exist on realm " . REALM_NAME;
        }
    }
}
if ($error) {
    ?>
<div class="parchment-top">
<div class="parchment-content">
<?php 
    showerror("character", $error);
} else {
    require "configuration/statisticshandler.php";
    $stat = assign_stats($data);
    switchConnection("characters", REALM_NAME);
    $guildid = mysql_fetch_assoc(execute_query("SELECT `guildid` FROM `guild_member` WHERE `guid` = " . $stat["guid"] . " LIMIT 1"));