PHP return_error函数代码示例

function getdata($servers, $extensions)
{
    $line = '';
    $extbyhost = array();
    foreach ($extensions as $extension => $extension_data) {
        if (!array_key_exists('host', $extension_data)) {
            continue;
        }
        if (!array_key_exists($extension_data['host'], $extbyhost)) {
            $extbyhost[$extension_data['host']] = array();
        }
        $extbyhost[$extension_data['host']][$extension] = False;
    }
    unset($extensions);
    foreach ($extbyhost as $host => $extensions) {
        if ($line) {
            $line .= ',';
        }
        if (array_key_exists($host, $servers)) {
            $line .= get_data_from_server($host, $servers[$host]['port'], @array_keys($extbyhost[$host]));
        } else {
            $line .= get_data_from_server($servers[0]['host'], $servers[0]['port'], @array_keys($extbyhost[$host]));
        }
    }
    if (!$extbyhost) {
        return return_error(3, 'no extension states');
    }
    if (!$line) {
        return return_error(101, 'NO DATA');
    }
    return $line;
}

 public function run($arg)
 {
     static $created_table = array();
     $func_arg = $arg['function_info']['arg'];
     switch (strtolower($arg['function_info']['function'])) {
         case 'percentile':
             if ($func_arg[0]['expr_type'] != 'colref') {
                 return return_error('PERCENTILE: Only column references are allowed as the first argument to this function', $arg['tmp_shard'], 'ERR_SQ_INVALID_FUNC_CALL');
             }
             if ($func_arg[1]['expr_type'] != 'const') {
                 return return_error('PERCENTILE: Only constants are allowed as the second argument to this function', $arg['tmp_shard'], 'ERR_SQ_INVALID_FUNC_CALL');
             }
             if (!empty($func_arg[2])) {
                 return return_error('PERCENTILE: Wrong number of arguments to this function', $arg['tmp_shard'], 'ERR_SQ_INVALID_FUNC_CALL');
             }
             $colname = $arg['function_info']['colref_map'][$func_arg['0']['base_expr']];
             $conn = SimpleDAL::factory($arg['tmp_shard']);
             if ($conn->my_error()) {
                 return return_error('Failed to connect to storage node', $arg['tmp_shard'], $conn->my_error());
             }
             $conn->my_select_db($arg['tmp_shard']['db']);
             if (empty($created_table[$arg['func_call_id']])) {
                 $sql = "CREATE TABLE IF NOT EXISTS`" . $arg['func_call_id'] . "` (gb_hash char(40) primary key, retval double) ";
                 $result = $conn->my_query($sql);
                 if (!$result || $conn->my_error()) {
                     return return_error('SQL error:', $arg['tmp_shard'], $conn->my_error());
                 }
                 $created_table[$arg['func_call_id']] = 1;
             }
             $sql = "select count(distinct {$colname}) cnt from `" . $arg['table'] . "` where gb_hash = '" . $arg['gb_hash'] . "'";
             $result = $conn->my_query($sql);
             if (!$result || $conn->my_error()) {
                 return return_error('SQL error:', $arg['tmp_shard'], $conn->my_error());
             }
             $row = $conn->my_fetch_assoc();
             if (!$row) {
                 return return_error('No row found for given gb_hash:' . $arg['gb_hash'], $arg['tmp_shard'], 'ERR_SQ_NO_ROW_FOUND');
             }
             $percentile_at = $func_arg[1]['base_expr'];
             $limit = floor(0.01 * $percentile_at * $row['cnt']);
             if ($limit < 1) {
                 $limit = 0;
             }
             $sql = "insert into `" . $arg['func_call_id'] . "` select distinct '" . $arg['gb_hash'] . "', {$colname} from `" . $arg['table'] . "` where gb_hash ='" . $arg['gb_hash'] . "' order by {$colname} limit {$limit},1";
             $conn->my_query($sql);
             if (!$result || $conn->my_error()) {
                 return return_error('SQL error:', $arg['tmp_shard'], $conn->my_error());
             }
             return true;
             break;
     }
 }

function send_telegram($config, $name, $message)
{
    # Check if the message is base64 encoded
    if (!validBase64($message)) {
        return_error("Error: Message invalid");
    } else {
        $message = date("H:i:s") . " - " . $name . ": " . base64_decode($message);
    }
    $post_fields = array();
    $post_fields['chat_id'] = $config['userid'];
    $post_fields['disable_web_page_preview'] = 1;
    $post_fields['text'] = $message;
    $req = curl_init('https://api.telegram.org/bot' . $config['apikey'] . '/sendMessage');
    curl_setopt($req, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($req, CURLOPT_POSTFIELDS, $post_fields);
    $response = curl_exec($req);
    curl_close($req);
    $return_string = json_decode($response);
    return $return_string->ok;
}

    if (is_null($node)) {
        return false;
    }
    if (!$node->hasAttribute('mode')) {
        return false;
    }
    $logout_mode = $node->getAttribute('mode');
    return $logout_mode;
}
if (!array_key_exists('session_id', $_SESSION)) {
    echo return_error(1, 'Usage: missing "session_id" $_SESSION parameter');
    die;
}
$ret = parse_logout_XML(@file_get_contents('php://input'));
if (!$ret) {
    return_error(2, 'Client does not send a valid XML');
}
$session = Abstract_Session::load($_SESSION['session_id']);
if (is_object($session)) {
    if ($ret == 'suspend') {
        $session->setStatus(Session::SESSION_STATUS_INACTIVE, Session::SESSION_END_STATUS_LOGOUT);
    } else {
        $session->setStatus(Session::SESSION_STATUS_WAIT_DESTROY, Session::SESSION_END_STATUS_LOGOUT);
    }
}
header('Content-Type: text/xml; charset=utf-8');
$dom = new DomDocument('1.0', 'utf-8');
$logout_node = $dom->createElement('logout');
$logout_node->setAttribute('mode', $ret);
$dom->appendChild($logout_node);
$xml = $dom->saveXML();

//.........这里部分代码省略.........
    echo $page;
    ?>
&dir=<?php 
    echo $dir_order_by["train"];
    ?>
#table"><?php 
    echo $img_order_by["train"] . Lang::l_('Train');
    ?>
</a></th>
					</tr>
					</thead>
					<tbody>
	<?php 
    //generate and execute query
    $query = "SELECT * FROM osm_train_details ORDER BY `" . @$con->real_escape_string($order_by) . "` " . @$con->real_escape_string($dir) . " LIMIT " . $start . "," . $amount;
    $result = @$con->query($query);
    if ($result) {
        //show routes
        while ($row = @$result->fetch_array()) {
            $mysql_id = $row["id"];
            //get Train
            unset($train);
            $train = new Train($row["train"]);
            ?>
							<tr>
								<td><a href="?id=<?php 
            echo $row["id"];
            ?>
&train=<?php 
            echo $train->ref;
            ?>
" title="<?php 
            echo Lang::l_('Show Route');
            ?>
"><?php 
            echo Route::showRef($row["ref"], $row["route"], $row["service"], $row["ref_colour"], $row["ref_textcolour"]);
            ?>
</a></td>
								<td><?php 
            echo $row["from"];
            ?>
</td>
								<td><?php 
            echo $row["to"];
            ?>
</td>
								<td><?php 
            echo $row["operator"];
            ?>
</td>
								<td class="nowrap"><?php 
            echo round($row["length"], 1);
            ?>
 km</td>
								<td class="nowrap"><?php 
            echo round($row["time"], 0);
            ?>
 min</td>
								<td class="nowrap"><?php 
            echo round($row["ave_speed"]);
            ?>
 km/h</td>
								<td class="nowrap"><?php 
            echo round($row["max_speed"]);
            ?>
 km/h</td>
								<td style="width:150px"><div style="height:50px;width:150px;display:inline-block;background-image:url('img/trains/<?php 
            echo $train->image;
            ?>
');background-repeat:no-repeat;background-position:right;background-size:auto 50px" title="<?php 
            echo $train->name;
            ?>
"></div></td>
							</tr>
			<?php 
        }
    } else {
        ?>
							<tr>
								<td colspan="9">
									<?php 
        return_error("mysql", "message", $con);
        ?>
								</td>
							</tr>
		<?php 
    }
    ?>
					</tbody>
				</table>
			</div>
			<div class="panel-body">
				<?php 
    pagination($page, $lastpage, $order_by, $dir);
    ?>
			</div>
		</div>
	</div>
	<?php 
}

/**
 * Web service to tell if a given user is subscribed to the course
 * @param array $params Array of parameters (course and user_id)
 * @return bool|null|soap_fault A simple boolean (true if user is subscribed, false otherwise)
 */
function WSUserSubscribedInCourse ($params)
{
    global $debug;

    if ($debug) error_log('WSUserSubscribedInCourse');
    if ($debug) error_log('Params '. print_r($params, 1));
    if (!WSHelperVerifyKey($params)) {

        return return_error(WS_ERROR_SECRET_KEY);
    }
    $courseCode  = $params['course']; //Course code
    $userId      = $params['user_id']; //chamilo user id

    return (CourseManager::is_user_subscribed_in_course($userId,$courseCode));
}

function WSDeleteUserFromGroup($params)
{
    if (!WSHelperVerifyKey($params['secret_key'])) {
        return return_error(WS_ERROR_SECRET_KEY);
    }
    $userGroup = new UserGroup();
    return $userGroup->delete_user_rel_group($params['user_id'], $params['group_id']);
}

$dom->appendChild($logout_node);
$xml = $dom->saveXML();
$dom = new DomDocument('1.0', 'utf-8');
$buf = @$dom->loadXML(query_sm_post_xml($sessionmanager_url . '/logout.php', $xml));
if (!$buf) {
    echo return_error(0, 'Invalid XML');
    die;
}
if (!$dom->hasChildNodes()) {
    echo return_error(0, 'Invalid XML');
    die;
}
$logout_nodes = $dom->getElementsByTagName('logout');
if (count($logout_nodes) != 1) {
    echo return_error(1, 'Invalid XML: No session node');
    die;
}
$logout_node = $logout_nodes->item(0);
if (!is_object($logout_node)) {
    echo return_error(1, 'Invalid XML: No session node');
    die;
}
$logout = array('mode' => $logout_node->getAttribute('mode'));
$dom = new DomDocument('1.0', 'utf-8');
$logout_node = $dom->createElement('logout');
$logout_node->setAttribute('mode', $logout['mode']);
$dom->appendChild($logout_node);
$xml = $dom->saveXML();
echo $xml;
unset($_SESSION['ovd-client']);
die;

    $tb = new MWTrackback('', '');
    $trackbacks = $tb->auto_discovery($content);
}
if (!empty($trackbacks)) {
    foreach ($trackbacks as $t) {
        if (!empty($pinged) && in_array($t, $pinged)) {
            continue;
        }
        $toping[] = $t;
    }
}
$post->setVar('toping', !empty($toping) ? $toping : '');
$return = $edit ? $post->update() : $post->save();
if ($return) {
    if (!$edit) {
        $xoopsUser->incrementPost();
    }
    showMessage($edit ? __('Post updated successfully', 'mywords') : __('Post saved successfully', 'mywords'), 0);
    $url = MWFunctions::get_url();
    if ($mc->permalinks > 1) {
        $url .= $frontend ? 'edit/' . $post->id() : 'posts.php?op=edit&id=' . $post->id();
    } else {
        $url .= $frontend ? '?edit=' . $post->id() : 'posts.php?op=edit&id=' . $post->id();
    }
    $rtn = array('message' => $edit ? __('Post updated successfully', 'mywords') : __('Post saved successfully', 'mywords'), 'token' => $xoopsSecurity->createToken(), 'link' => '<strong>' . __('Permalink:', 'mywords') . '</strong> ' . $post->permalink(), 'post' => $post->id(), 'url' => $url);
    echo json_encode($rtn);
    die;
} else {
    return_error(__('Errors ocurred while trying to save this post.', 'mywords') . '<br />' . $post->errors(), true);
    die;
}

$web_interface_settings = $prefs->get('general', 'web_interface_settings');
if (array_key_exists('public_webservices_access', $web_interface_settings) && $web_interface_settings['public_webservices_access'] == 1) {
    // ok
} elseif (array_key_exists('session_id', $_SESSION)) {
    $session = Abstract_Session::load($_SESSION['session_id']);
    if (!$session) {
        echo return_error(3, 'No such session "' . $_SESSION['session_id'] . '"');
        die;
    }
    /*if (! in_array($_GET['id'], $session->applications)) {
    		echo return_error(4, 'Unauthorized application');
    		die();
    	}*/
} else {
    Logger::debug('main', '(client/applications) No Session id nor public_webservices_access');
    echo return_error(7, 'No Session id nor public_webservices_access');
    die;
}
$applicationDB = ApplicationDB::getInstance();
$applications = $applicationDB->getApplicationsWithMimetype($_GET['id']);
$apps = array();
foreach ($applications as $application) {
    if (!$application->haveIcon()) {
        continue;
    }
    $score = count($application->groups());
    if ($application->getAttribute('type') == 'windows') {
        $score += 10;
    }
    $apps[$score] = $application;
}

/**
 * Get a list of sessions (id, title, url, date_start, date_end) and
 * return to caller. Date start can be set to ask only for the sessions
 * starting at or after this date. Date end can be set to ask only for the
 * sessions ending before or at this date.
 * Function registered as service. Returns strings in UTF-8.
 * @param array List of parameters (security key, date_start and date_end)
 * @return array Sessions list (id=>[title=>'title',url='http://...',date_start=>'...',date_end=>''])
 */
function WSListSessions($params)
{
    if (!WSHelperVerifyKey($params)) {
        return return_error(WS_ERROR_SECRET_KEY);
    }
    $sql_params = array();
    // Dates should be provided in YYYY-MM-DD format, UTC
    if (!empty($params['date_start'])) {
        $sql_params['date_start >='] = $params['date_start'];
    }
    if (!empty($params['date_end'])) {
        $sql_params['date_end <='] = $params['date_end'];
    }
    $sessions_list = SessionManager::get_sessions_list($sql_params);
    $return_list = array();
    foreach ($sessions_list as $session) {
        $return_list[] = array('id' => $session['id'], 'title' => $session['name'], 'url' => api_get_path(WEB_CODE_PATH) . 'session/index.php?session_id=' . $session['id'], 'date_start' => $session['date_start'], 'date_end' => $session['date_end']);
    }
    return $return_list;
}

 $rarr = array('success' => false, 'notify' => array());
 switch ($_POST['step']) {
     case '1':
         // read template database file
         $conts = @file_get_contents('inc/common/site/default/database.php');
         if ($conts === false) {
             return_error('Failed to read database.php file. Does server have read permissions?', 'Read Failed');
         }
         // replace values
         $conts = str_replace('%dbhost%', $_POST['db']['host'], $conts);
         $conts = str_replace('%dbuser%', $_POST['db']['user'], $conts);
         $conts = str_replace('%dbpass%', $_POST['db']['pass'], $conts);
         $conts = str_replace('%dbname%', $_POST['db']['name'], $conts);
         // write database file
         if (@file_put_contents('inc/common/site/database.php', $conts) === false) {
             return_error('Failed to write database.php file. Does server have write permissions?', 'Write Failed');
         }
         // create database tables & default users
         if ($_POST['db']['create'] == 'Y') {
             require 'inc/common/site/database.php';
             require 'inc/classes/database.class.php';
             $db = new database();
             // drop tables if they exist
             $db->query('DROP TABLE IF EXISTS groups');
             $db->query('DROP TABLE IF EXISTS users');
             // create groups table
             $db->query('CREATE TABLE IF NOT EXISTS groups (
                     id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
                     grp VARCHAR(20),
                     description VARCHAR(255)
                 );');

    $_SESSION['ovd-client']['gateway'] = true;
}
$user_node = $session_node->getElementsByTagName('user');
if (count($user_node) != 1) {
    echo return_error(2, 'internal_error');
    die;
}
$user_node = $user_node->item(0);
if (!is_object($user_node)) {
    echo return_error(2, 'internal_error');
    die;
}
$_SESSION['ovd-client']['session_displayname'] = $user_node->getAttribute('displayName');
$server_nodes = $session_node->getElementsByTagName('server');
if (count($server_nodes) < 1) {
    echo return_error(3, 'internal_error');
    die;
}
$_SESSION['ovd-client']['explorer'] = false;
$profile_node = $session_node->getElementsByTagName('profile')->item(0);
$sharedfolder_node = $session_node->getElementsByTagName('sharedfolder')->item(0);
$sharedfolder_nodes = $session_node->getElementsByTagName('sharedfolder');
if (is_object($profile_node) || is_object($sharedfolder_node) && is_object($sharedfolder_nodes)) {
    if (is_dir(dirname(__FILE__) . '/ajaxplorer/')) {
        $_SESSION['ovd-client']['explorer'] = true;
    }
    $_SESSION['ovd-client']['ajxp'] = array();
    $_SESSION['ovd-client']['ajxp']['applications'] = '';
    $_SESSION['ovd-client']['ajxp']['repositories'] = array();
    $_SESSION['ovd-client']['ajxp']['folders'] = array();
}

//проверка пользовательского запроса
include ".php/track.php";
//отслеживание посетителей
if (test(REQUEST_AJAX)) {
    include ".php/ajax.php";
} else {
    if (test(ERROR_AJAX)) {
        return_error(AUTORIZATION_ERROR);
    } else {
        if (test(REQUEST_UPLOAD)) {
            include ".php/upload.php";
        } else {
            if (test(REQUEST_DOWNLOAD)) {
                include ".php/download.php";
            } else {
                if (test(REQUEST_AUTHORIZATION)) {
                    include ".php/main.php";
                } else {
                    if (test(ERROR_UPLOAD)) {
                        return_error(UPLOAD_AUTORIZATION_ERROR);
                    } else {
                        include ".php/login.php";
                    }
                }
            }
        }
    }
}
#ini_set('display_errors', 1);
#error_reporting(E_ALL);
exit;

function getDTD($col_info,$layer_type,$layer_tablename){
  if(count($col_info) > 0) {
    $dtd = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>";
    $dtd .= "<!ELEMENT kml    (Document)>\n";
    $dtd .= "<!ATTLIST kml xmlns CDATA \"\">\n";
    $dtd .= "<!ELEMENT Document  (Folder+)>\n";
    $dtd .= "<!ELEMENT Folder  (name,Placemark+)>\n";
    $dtd .= "<!ELEMENT Placemark  (description,Point)>\n";
    $dtd .= "<!ELEMENT description (";
    foreach($col_info as $col_name => $col_desc){
      $dtd .= $col_name .",";
    }
    $dtd .= ")>\n<!ELEMENT ".strtolower($layer_type)."  (coordinates)>\n";
    $dtd .= "<!ELEMENT coordinates  (#PCDATA)>\n";
    $dtd .= "<!ELEMENT name (#PCDATA)>";
    foreach($col_info as $col_name => $col_desc){
      $dtd .= "<!ELEMENT ".$col_name." (#PCDATA)>\n";
      $dtd .= "<!-- ".$col_name." ".$col_desc." -->\n";
    }

  } else {
     $dtd = "";
  }
  $file = "upload/dtd_".$layer_tablename.".xml";
  if (!($fp = fopen($file, "w+"))) {
       die(return_error("Error opening DTD file"));
  }
  fwrite($fp,$dtd);
  fclose($fp);
  return htmlentities($dtd);
}