PHP is_valid_email_address函数代码示例

 function pCheckAddress($sAddress, $sMailserver)
 {
     if (!is_valid_email_address($sAddress)) {
         return CA_ERROR_ADDRESS_INVALID;
     }
     $fp = @fsockopen($sMailserver, 25, $errno, $errstr, $this->nConnectTimeout);
     if (!$fp) {
         return CA_ERROR_CONNECT;
     }
     $sResp = $this->send_command($fp, "HELO " . $this->sHostname);
     $sCode = $this->extract_return_code($sResp);
     if ($sCode != '220') {
         $this->close($fp);
         return CA_ERROR_UNKOWN;
     }
     $sResp = $this->send_command($fp, "MAIL FROM: <" . $this->sFrom . ">");
     $sCode = $this->extract_return_code($sResp);
     if ($sCode != '250') {
         $this->close($fp);
         return CA_ERROR_UNKOWN;
     }
     $sResp = $this->send_command($fp, "RCPT TO: <" . $sAddress . ">");
     $sCode = $this->extract_return_code($sResp);
     if (strlen($sCode) == 3 && substr($sCode, 0, 1) == '4') {
         $this->close($fp);
         return CA_ERROR_TEMPORARY;
     } else {
         if ($sCode == '553' && $sCode == '550') {
             $this->close($fp);
             return CA_ERROR_USER_UNKOWN;
         } else {
             if ($sCode == '250') {
                 $this->close($fp);
                 return CA_OK;
             }
         }
     }
     $this->close($fp);
     return CA_ERROR_UNKOWN;
 }

 /**
  * Standard modular run function.
  *
  * @param  array		A map of parameters.
  * @return tempcode	The result of execution.
  */
 function run($map)
 {
     require_lang('newsletter');
     require_lang('javascript');
     $newsletter_id = array_key_exists('param', $map) ? intval($map['param']) : db_get_first_id();
     $_newsletter_title = $GLOBALS['SITE_DB']->query_value_null_ok('newsletters', 'title', array('id' => $newsletter_id));
     if (is_null($_newsletter_title)) {
         return paragraph(do_lang_tempcode('MISSING_RESOURCE'));
     }
     $newsletter_title = get_translated_text($_newsletter_title);
     $address = post_param('address' . strval($newsletter_id), '');
     if ($address != '') {
         require_code('newsletter');
         require_code('type_validation');
         if (!is_valid_email_address($address)) {
             $msg = do_template('INLINE_WIP_MESSAGE', array('MESSAGE' => do_lang_tempcode('INVALID_EMAIL_ADDRESS')));
             return do_template('BLOCK_MAIN_NEWSLETTER_SIGNUP', array('URL' => get_self_url(), 'MSG' => $msg));
         }
         if (!array_key_exists('path', $map)) {
             $map['path'] = 'uploads/website_specific/signup.txt';
         }
         require_code('character_sets');
         $password = basic_newsletter_join($address, 4, NULL, !file_exists(get_custom_file_base() . '/' . $map['path']), $newsletter_id, post_param('firstname' . strval($newsletter_id), ''), post_param('lastname' . strval($newsletter_id), ''));
         if ($password == '') {
             return do_template('INLINE_WIP_MESSAGE', array('MESSAGE' => do_lang_tempcode('NEWSLETTER_THIS_ALSO')));
         }
         if ($password == do_lang('NA')) {
             $manage_url = build_url(array('page' => 'newsletter', 'email' => $address), get_module_zone('newsletter'));
             return do_template('INLINE_WIP_MESSAGE', array('MESSAGE' => do_lang_tempcode('ALREADY_EMAIL_ADDRESS', escape_html($manage_url->evaluate()))));
         }
         require_code('mail');
         if (file_exists(get_custom_file_base() . '/' . $map['path'])) {
             $url = (url_is_local($map['path']) ? get_custom_base_url() . '/' : '') . $map['path'];
             mail_wrap(array_key_exists('subject', $map) ? $map['subject'] : do_lang('WELCOME'), convert_to_internal_encoding(http_download_file($url)), array($address), array_key_exists('to', $map) ? $map['to'] : '', '', '', 3, NULL, false, NULL, true);
         }
         return do_template('BLOCK_MAIN_NEWSLETTER_SIGNUP_DONE', array('_GUID' => '9953c83685df4970de8f23fcd5dd15bb', 'NEWSLETTER_TITLE' => $newsletter_title, 'NID' => strval($newsletter_id), 'PASSWORD' => $password));
     } else {
         return do_template('BLOCK_MAIN_NEWSLETTER_SIGNUP', array('NEWSLETTER_TITLE' => $newsletter_title, 'NID' => strval($newsletter_id), 'URL' => get_self_url()));
     }
 }

    public function checkEmail($email)
    {
        if(!$email) {
            $this->errors = 'Email is required<br/>';

            return false;
        }

        if(!is_valid_email_address($email)) {
            $this->errors = 'Incorrect email<br/>';

            return false;
        }

        if($this->isEmailExists($email)) {
            $this->errors = 'This is email is already exists<br/>';

            return false;
        }
    
        return true;
    }

//Preprocessing
if ($error == false) {
    //set here the template to process
    $tplname = 'activation';
    //load language specific variables
    require_once $stylepath . '/' . $tplname . '.inc.php';
    $email = isset($_REQUEST['email']) ? $_REQUEST['email'] : '';
    $code = isset($_REQUEST['code']) ? $_REQUEST['code'] : '';
    tpl_set_var('email', htmlspecialchars($email, ENT_COMPAT, 'UTF-8'));
    tpl_set_var('code', htmlspecialchars($code, ENT_COMPAT, 'UTF-8'));
    tpl_set_var('message_start', '<!--');
    tpl_set_var('message_end', '-->');
    tpl_set_var('message', '');
    tpl_set_var('email_message', '');
    if (isset($_REQUEST['submit'])) {
        $email_not_ok = is_valid_email_address($email) ? false : true;
        if ($email_not_ok == true) {
            tpl_set_var('email_message', $message_email_notok);
        } else {
            $rs = sql("SELECT `user_id` `id`, `activation_code` `code` FROM `user` WHERE `email`='&1'", $email);
            if ($r = sql_fetch_array($rs)) {
                if ($r['code'] == $code && $code != '') {
                    // ok, account aktivieren
                    sql("UPDATE `user` SET `is_active_flag`=1, `activation_code`='' WHERE `user_id`='&1'", $r['id']);
                    $tplname = 'activation_confirm';
                } else {
                    tpl_set_var('message_start', '');
                    tpl_set_var('message_end', '');
                    tpl_set_var('message', $message_no_success);
                }
            } else {

	#
	# run the tests
	#

	$totals = array(
		'all'	=> 0,
		'public' => 0,
		'strict' => 0,
	);

	foreach ($tests as $k => $v){

		$tests[$k]['expected'] = $v['valid'] ? 1 : 0;
		$tests[$k]['result_public'] = is_valid_email_address($v['address']) ? 1 : 0;
		$tests[$k]['result_strict'] = is_valid_email_address($v['address'], array('public_internet' => false)) ? 1 : 0;

		$totals['all']++;
		$totals['public'] += ($tests[$k]['result_public'] == $tests[$k]['expected']) ? 1 : 0;
		$totals['strict'] += ($tests[$k]['result_strict'] == $tests[$k]['expected']) ? 1 : 0;
	}

	function is_valid($x){
		return $x ? 'Valid' : 'Invalid';
	}

	function show_escapes($s){
		return str_replace(array("\r","\n"," ","\0"), array("
","
"," ","�"), $s);
	}
?>

/**
 * Type-check the specified parameter (giving an error if the type checking fails) [just value against type]
 *
 * @param  ID_TEXT		The parameter type
 * @param  string			The functions name (used in error message)
 * @param  string			The parameter name (used in error message)
 * @param  mixed			The parameters value (cannot be null)
 * @param  boolean		Whether we just echo errors instead of exiting
 */
function test_fail_php_type_check($type, $function_name, $name, $value, $echo = false)
{
    $null_allowed = $type[0] == '?';
    $false_allowed = $type[0] == '~';
    $_type = $null_allowed || $false_allowed ? substr($type, 1) : $type;
    if ($value === false && !$false_allowed && !in_array($_type, array('mixed', 'boolean'))) {
        fatal_exit(do_lang_tempcode('UNALLOWED_NULL', escape_html($name), escape_html($function_name), array('false')));
    }
    if (is_null($value) && !$null_allowed) {
        fatal_exit(do_lang_tempcode('UNALLOWED_NULL', escape_html($name), escape_html($function_name), array('NULL')));
    }
    if ($_type == 'mixed') {
        return;
    }
    switch ($_type) {
        case 'integer':
            if (!is_integer($value) && (!is_float($value) || strval(intval(round($value))) != strval($value))) {
                _fail_php_type_check($type, $function_name, $name, $value, $echo);
            }
            break;
        case 'UINTEGER':
            if (!is_integer($value) && (!is_float($value) || strval(intval(round($value))) != strval($value)) || $value < 0) {
                _fail_php_type_check($type, $function_name, $name, $value, $echo);
            }
            break;
        case 'resource':
            if (!is_resource($value)) {
                _fail_php_type_check($type, $function_name, $name, $value, $echo);
            }
            break;
        case 'object':
            if (!is_object($value)) {
                _fail_php_type_check($type, $function_name, $name, $value, $echo);
            }
            break;
        case 'tempcode':
            if (!is_object($value) || !is_a($value, 'ocp_tempcode')) {
                _fail_php_type_check($type, $function_name, $name, $value, $echo);
            }
            break;
        case 'REAL':
        case 'float':
            if (!is_float($value)) {
                _fail_php_type_check($type, $function_name, $name, $value, $echo);
            }
            break;
        case 'boolean':
            if (!is_bool($value)) {
                _fail_php_type_check($type, $function_name, $name, $value, $echo);
            }
            break;
        case 'list':
            if (!is_array($value)) {
                _fail_php_type_check($type, $function_name, $name, $value, $echo);
            }
            break;
        case 'map':
            if (!is_array($value)) {
                _fail_php_type_check($type, $function_name, $name, $value, $echo);
            }
            break;
        case 'array':
            if (!is_array($value)) {
                _fail_php_type_check($type, $function_name, $name, $value, $echo);
            }
            break;
        case 'string':
            if (!is_string($value)) {
                _fail_php_type_check($type, $function_name, $name, $value, $echo);
            }
            break;
        case 'PATH':
            if (!is_string($value)) {
                _fail_php_type_check($type, $function_name, $name, $value, $echo);
            }
            break;
        case 'MD5':
            if (!is_string($value) || strlen($value) > 33) {
                _fail_php_type_check($type, $function_name, $name, $value, $echo);
            }
            break;
        case 'EMAIL':
            if (!is_string($value) || is_valid_email_address($value)) {
                _fail_php_type_check($type, $function_name, $name, $value, $echo);
            }
            break;
        case 'URLPATH':
            if (!is_string($value) || strlen($value) > 127) {
                _fail_php_type_check($type, $function_name, $name, $value, $echo);
            }
            break;
//.........这里部分代码省略.........

 static function get_by_email($email)
 {
     $email = trim(strtolower($email));
     if (!is_valid_email_address($email)) {
         return false;
     }
     $db = Get::db('songwork');
     $db->query("SELECT * FROM persons WHERE LOWER(email)='" . $db->escape($email) . "' LIMIT 1");
     return $db->num_rows() == 0 ? false : new Person($db->next_record());
 }

/**
 * Test email based on RFC 822/2822/5322 Email Parser
 * @copyright Cal Henderson <cal@iamcal.com>
 *
 * @param string email address
 * @return bool
 */
function is_valid_email($email, $options = array())
{
    // IDN conversion
    $email = idn_encode($email);
    // wrapped by default function as used since long time in phpwcms
    return is_valid_email_address($email, $options);
}

//.........这里部分代码省略.........
                shuffle($codes);
                $results = array();
                foreach ($codes as $code) {
                    if (strpos($code, 'ocp_fanatic') !== false) {
                        continue;
                    }
                    $count = $GLOBALS['FORUM_DB']->query_value_null_ok_full('SELECT SUM(m_cache_num_posts) FROM ' . $GLOBALS['FORUM_DB']->get_table_prefix() . 'f_members WHERE ' . db_string_equal_to('m_avatar_url', find_theme_image($code, false, true)));
                    if (is_null($count)) {
                        $count = 0;
                    }
                    $results[$code] = $count;
                }
                @asort($results);
                // @'d as type checker fails for some odd reason
                $found_avatars = array_keys($results);
                $avatar_url = find_theme_image(array_shift($found_avatars), true, true);
            }
            if (is_null($avatar_url)) {
                $GLOBALS['SITE_DB']->query_delete('theme_images', array('id' => 'ocf_default_avatars/default', 'path' => ''));
                // In case failure cached, gets very confusing
                $avatar_url = find_theme_image('ocf_default_avatars/default', true, true);
                if (is_null($avatar_url)) {
                    $avatar_url = '';
                }
            }
        }
    }
    if ($check_correctness) {
        if (!in_array($password_compatibility_scheme, array('ldap', 'httpauth'))) {
            ocf_check_name_valid($username, NULL, $password_compatibility_scheme == '' ? $password : NULL);
        }
        if (!function_exists('has_actual_page_access') || !has_actual_page_access(get_member(), 'admin_ocf_join')) {
            require_code('type_validation');
            if (!is_valid_email_address($email_address) && $email_address != '') {
                warn_exit(do_lang_tempcode('_INVALID_EMAIL_ADDRESS', escape_html($email_address)));
            }
        }
    }
    require_code('ocf_members');
    require_code('ocf_groups');
    if (is_null($last_submit_time)) {
        $last_submit_time = time();
    }
    if (is_null($join_time)) {
        $join_time = time();
    }
    if (is_null($last_visit_time)) {
        $last_visit_time = time();
    }
    if (is_null($primary_group)) {
        $primary_group = get_first_default_group();
        // This is members
    }
    if (is_null($secondary_groups)) {
        $secondary_groups = ocf_get_all_default_groups(false);
    }
    foreach ($secondary_groups as $_g_id => $g_id) {
        if ($g_id == $primary_group) {
            unset($secondary_groups[$_g_id]);
        }
    }
    if (is_null($ip_address)) {
        $ip_address = get_ip_address();
    }
    if ($password_compatibility_scheme == '' && get_value('no_password_hashing') === '1') {
        $password_compatibility_scheme = 'plain';

 //form load setting
 $display_all_countries = $_POST['allcountries'];
 $username = $_POST['username'];
 $password = $_POST['password1'];
 $password2 = $_POST['password2'];
 $email = $_POST['email'];
 $country = $_POST['country'];
 $tos = isset($_POST['TOS']) ? $_POST['TOS'] == 'ON' : false;
 if (isset($_POST['submit'])) {
     //try to register
     //validate the entered data
     $email_not_ok = !is_valid_email_address($email);
     $username_not_ok = mb_ereg_match(regex_username, $username) ? false : true;
     if ($username_not_ok == false) {
         // username should not be formatted like an email-address
         $username_not_ok = is_valid_email_address($username);
     }
     $password_not_ok = mb_ereg_match(regex_password, $password) ? false : true;
     $password_diffs = $password != $password2;
     //check if email is in the database
     $rs = sql("SELECT `username` FROM `user` WHERE `email`='&1'", $email);
     if (mysql_num_rows($rs) > 0) {
         $email_exists = true;
     } else {
         $email_exists = false;
     }
     //check if username is in the database
     $rs = sql("SELECT `username` FROM `user` WHERE `username`='&1'", $username);
     if (mysql_num_rows($rs) > 0) {
         $username_exists = true;
     } else {

 function setNewEMail($value)
 {
     if ($value !== null) {
         if (!is_valid_email_address($value)) {
             return false;
         }
         if (user::existEMail($value)) {
             return false;
         }
     }
     return $this->reUser->setValue('new_email', $value);
 }

 //load language specific variables
 require_once $stylepath . '/' . $tplname . '.inc.php';
 tpl_set_var('new_email', '');
 tpl_set_var('message', '');
 tpl_set_var('email_message', '');
 tpl_set_var('code_message', '');
 tpl_set_var('change_email', $change_email);
 tpl_set_var('reset', $reset);
 tpl_set_var('getcode', $get_code);
 if (isset($_POST['submit_getcode']) || isset($_POST['submit_changeemail'])) {
     $new_email = $_POST['newemail'];
     tpl_set_var('new_email', htmlspecialchars($new_email, ENT_COMPAT, 'UTF-8'));
     //validate the email
     $email_exists = false;
     $new_email_not_ok = false;
     if (!is_valid_email_address($new_email)) {
         $new_email_not_ok = true;
         tpl_set_var('email_message', $error_email_not_ok);
     } else {
         //prüfen, ob email schon in der Datenbank vorhanden
         $rs = sql("SELECT `username` FROM `user` WHERE `email`='&1'", $new_email);
         if (mysql_num_rows($rs) > 0) {
             $email_exists = true;
             tpl_set_var('email_message', $error_email_exists);
         }
     }
     if (!$email_exists && !$new_email_not_ok) {
         if (isset($_POST['submit_getcode'])) {
             //send the secure code via email and store the new email in the database
             $secure_code = uniqid('');
             //code in DB eintragen

function test($email)
{
    echo "<tr><td>" . HtmlEntities($email) . "</td>";
    echo "<td>" . (is_valid_email_address($email) ? 'Yes' : 'No') . "</td></tr>";
}

 /**
  * The actualiser for newsletter subscription maintenance (adding, updating, deleting).
  *
  * @return tempcode		The UI
  */
 function newsletter_maintenance()
 {
     require_code('type_validation');
     breadcrumb_set_parents(array(array('_SELF:_SELF:misc', get_option('newsletter_title'))));
     $title = get_page_title('_NEWSLETTER_JOIN', true, array(escape_html(get_option('newsletter_title'))));
     // Add
     $email = trim(post_param('email'));
     $password = trim(post_param('password'));
     $forename = trim(post_param('forename'));
     $surname = trim(post_param('surname'));
     if ($password != trim(post_param('password_confirm'))) {
         warn_exit(make_string_tempcode(escape_html(do_lang('PASSWORD_MISMATCH'))));
     }
     $lang = post_param('lang', user_lang());
     if (!is_valid_email_address($email) || $password == '') {
         return warn_screen($title, do_lang_tempcode('IMPROPERLY_FILLED_IN'));
     }
     $message = do_lang_tempcode('NEWSLETTER_UPDATE');
     $old_confirm = $GLOBALS['SITE_DB']->query_value_null_ok('newsletter', 'code_confirm', array('email' => $email));
     if (is_null($old_confirm)) {
         $newsletters = $GLOBALS['SITE_DB']->query_select('newsletters', array('id'));
         $found_level = false;
         foreach ($newsletters as $newsletter) {
             if (get_option('interest_levels') == '1') {
                 $level = post_param_integer('level' . strval($newsletter['id']));
             } else {
                 $level = post_param_integer('level' . strval($newsletter['id']), 0);
                 if ($level == 1) {
                     $level = 4;
                 }
             }
             if ($level != 0) {
                 $found_level = true;
             }
         }
         if (!$found_level) {
             warn_exit(do_lang_tempcode('NOT_NEWSLETTER_SUBSCRIBER'));
         }
         $code_confirm = mt_rand(1, 32000);
         $salt = produce_salt();
         $GLOBALS['SITE_DB']->query_insert('newsletter', array('n_forename' => $forename, 'n_surname' => $surname, 'join_time' => time(), 'language' => $lang, 'email' => $email, 'code_confirm' => $code_confirm, 'pass_salt' => $salt, 'the_password' => md5($password . $salt)));
         $this->send_confirmation($email, $code_confirm, NULL, $forename, $surname);
         $message = do_lang_tempcode('NEWSLETTER_CONFIRM', escape_html($email));
     } elseif ($old_confirm != 0) {
         $this->send_confirmation($email, $old_confirm, NULL, $forename, $surname);
         return inform_screen($title, do_lang_tempcode('NEWSLETTER_CONFIRM', escape_html($email)));
     }
     // Change/make settings
     $old_password = $GLOBALS['SITE_DB']->query_value('newsletter', 'the_password', array('email' => $email));
     $old_salt = $GLOBALS['SITE_DB']->query_value('newsletter', 'pass_salt', array('email' => $email));
     if (!has_specific_permission(get_member(), 'change_newsletter_subscriptions') && $old_password != '' && $old_password != md5($password . $old_salt)) {
         $_reset_url = build_url(array('page' => '_SELF', 'type' => 'reset', 'email' => $email), '_SELF');
         $reset_url = $_reset_url->evaluate();
         return warn_screen($title, do_lang_tempcode('NEWSLETTER_PASSWORD_RESET', escape_html($reset_url)));
     } else {
         $newsletters = $GLOBALS['SITE_DB']->query_select('newsletters', array('id'));
         foreach ($newsletters as $newsletter) {
             if (get_option('interest_levels') == '1') {
                 $level = post_param_integer('level' . strval($newsletter['id']));
             } else {
                 $level = post_param_integer('level' . strval($newsletter['id']), 0);
                 if ($level == 1) {
                     $level = 4;
                 }
             }
             // First we delete
             $GLOBALS['SITE_DB']->query_delete('newsletter_subscribe', array('newsletter_id' => $newsletter['id'], 'email' => $email), '', 1);
             if ($level != 0) {
                 $GLOBALS['SITE_DB']->query_insert('newsletter_subscribe', array('newsletter_id' => $newsletter['id'], 'email' => $email, 'the_level' => $level));
             }
             // Update name
             $GLOBALS['SITE_DB']->query_update('newsletter', array('n_forename' => $forename, 'n_surname' => $surname), array('email' => $email), '', 1);
         }
     }
     return inform_screen($title, $message);
 }

         $longitude = -$longitude;
     }
 } else {
     $longitude = null;
     $lon_h_not_ok = false;
     $lon_min_not_ok = false;
 }
 $lon_not_ok = $lon_min_not_ok || $lon_h_not_ok;
 $lat_not_ok = $lat_min_not_ok || $lat_h_not_ok;
 //check if username is in the database
 $username_exists = false;
 $username_not_ok = mb_ereg_match(regex_username, $username) ? false : true;
 if ($username_not_ok == false) {
     // username should not be formatted like an email-address
     // exception: $username == $email
     $username_not_ok = is_valid_email_address($username) ? true : false;
 }
 if ($username_not_ok) {
     tpl_set_var('username_message', $error_username_not_ok);
 } else {
     if ($username != $usr['username']) {
         $sql = "SELECT `username` FROM `user` WHERE `username`=:1";
         $db->multiVariableQuery($sql, $username);
         if ($db->rowCount() > 0) {
             $username_exists = true;
             tpl_set_var('username_message', $error_username_exists);
         }
     }
 }
 if ($radius != '') {
     $radius = $radius + 0;