/**
* Retrieve user info by email.
*
* @since 2.5
*
* @param string $email User's email address
* @return bool|object False on failure, User DB row object
*/
function get_user_by_email($email)
{
global $wpdb;
$user_id = wp_cache_get($email, 'useremail');
$user = false;
if (false !== $user_id) {
$user = wp_cache_get($user_id, 'users');
}
if (false !== $user) {
return $user;
}
if (!($user = $wpdb->get_row($wpdb->prepare("SELECT * FROM {$wpdb->users} WHERE user_email = %s", $email)))) {
return false;
}
_fill_user($user);
return $user;
}
/**
* Retrieve user info by a given field
*
* @since 2.8.0
*
* @param string $field The field to retrieve the user with. id | slug | email | login
* @param int|string $value A value for $field. A user ID, slug, email address, or login name.
* @return bool|object False on failure, User DB row object
*/
function get_user_by($field, $value)
{
global $wpdb;
switch ($field) {
case 'id':
return get_userdata($value);
break;
case 'slug':
$user_id = wp_cache_get($value, 'userslugs');
$field = 'user_nicename';
break;
case 'email':
$user_id = wp_cache_get($value, 'useremail');
$field = 'user_email';
break;
case 'login':
$value = sanitize_user($value);
$user_id = wp_cache_get($value, 'userlogins');
$field = 'user_login';
break;
default:
return false;
}
if (false !== $user_id) {
return get_userdata($user_id);
}
if (!($user = $wpdb->get_row($wpdb->prepare("SELECT * FROM {$wpdb->users} WHERE {$field} = %s", $value)))) {
return false;
}
_fill_user($user);
return $user;
}
function wp_get_userdata($user_id)
{
global $wpdb, $wp_version;
//added wp_version
if (function_exists('absint')) {
// new WordPress
$user_id = absint($user_id);
} else {
// old WordPress
$user_id = (int) $user_id;
}
if ($user_id == 0) {
return false;
}
$user = wp_cache_get($user_id, 'users');
if ($user) {
return $user;
}
if ((double) $wp_version >= 2.3) {
// newer versions do more sql escaping
if (!($user = $wpdb->get_row($wpdb->prepare("SELECT * FROM {$wpdb->users} WHERE ID = %d LIMIT 1", $user_id)))) {
return false;
}
} else {
if (!($user = $wpdb->get_row("SELECT * FROM {$wpdb->users} WHERE ID = '{$user_id}' LIMIT 1"))) {
return false;
}
}
if ((double) $wp_version >= 2.5) {
// function simplified for newer WP
_fill_user($user);
} else {
// old branches
$wpdb->hide_errors();
$metavalues = $wpdb->get_results("SELECT meta_key, meta_value FROM {$wpdb->usermeta} WHERE user_id = '{$user_id}'");
$wpdb->show_errors();
if ($metavalues) {
foreach ($metavalues as $meta) {
if ((double) $wp_version < 2.2) {
@($value = unserialize($meta->meta_value));
if ($value === FALSE) {
$value = $meta->meta_value;
}
} else {
//WP 2.2+ branch
$value = maybe_unserialize($meta->meta_value);
}
$user->{$meta->meta_key} = $value;
// We need to set user_level from meta, not row
if ($wpdb->prefix . 'user_level' == $meta->meta_key) {
$user->user_level = $meta->meta_value;
}
}
// end foreach
}
//end if
// For backwards compat.
if (isset($user->first_name)) {
$user->user_firstname = $user->first_name;
}
if (isset($user->last_name)) {
$user->user_lastname = $user->last_name;
}
if (isset($user->description)) {
$user->user_description = $user->description;
}
wp_cache_add($user_id, $user, 'users');
if ((double) $wp_version < 2.2) {
wp_cache_add($user->user_login, $user, 'userlogins');
} else {
//WP 2.2 version
wp_cache_add($user->user_login, $user_id, 'userlogins');
}
}
return $user;
}
function _mkuser($user_data)
{
if (!is_array($user_data)) {
return false;
}
_fill_user($user_data);
$user_object = object;
foreach ($user_data as $field => $value) {
$user_object->{$field} = $value;
}
return $user_object;
}
<?php
require 'cm-load.php';
auth_redirect();
$new_user_data = $_POST;
$user_new_pass = $new_user_data['newpass'];
$user_new_pass_retype = $new_user_data['newpass_retype'];
$user_current_password = $new_user_data['password'];
_fill_user($new_user_data);
unset($new_user_data['password']);
if (cm_check_password($user_current_password)) {
if (!empty($user_new_pass)) {
if ($user_new_pass == $user_new_pass_retype) {
$new_user_data['password'] = md5($user_new_pass);
} else {
$message = "Mật khẩu mới ở hai ô phải giống nhau";
}
}
$cmdb->update($cmdb->users, $new_user_data, array("ID" => get_user_id(), "type" => "student"));
$message = "Thông tin của bạn đã được thay đổi thành công";
} else {
$message = "Mật khẩu hiện tại không đúng";
}
cm_redirect(site_url() . "/?cm=profile&action=edit&message=" . urlencode($message));
