PHP Memcached::getServerList() Function

The Memcached::getServerList() function is an inbuilt function of memcached class in PHP which is used to get the list of the servers in the pool of memcache server.

Syntax:

public Memcached::getServerList(): array

Parameters: This function has no parameters.

Return Value: This function returns an array that consists a list of the servers.

Below program illustrate the Memcached::getServerList() function:

Example 1:

PHP

<?php
    echo "<pre>";

    // Server & port details
    $server = '127.0.0.1';
    $port = 11211;

    // Initiate a new object of memcache
    $memcacheD = new Memcached();

    // Add server
    if ($memcacheD->addServer($server, $port)) {
        echo "**  server added ** \n";
    }
    else {
        echo "** issue while creating a server **\n";
    }

    // Get server detail
    echo "Server Details :: \n";
    var_dump($memcacheD->getServerList());
?>

Output:

**  server added **
Server Details ::
array(1) {
[0]=>
array(3) {
  ["host"]=>  string(9) "127.0.0.1"
 ["port"]=>  int(11211)
  ["type"]=>  string(3) "TCP"
}
}

Example 2: (error while creating server :hence no list available)

PHP

<?php
  echo "<pre>";
  // Server & port details
  $server = '127.0.0.1';
  $port = "8000";

  // Initiate a new object of memcache
  $memcacheD = new Memcached();

  // Add server
  if ($memcacheD->addServer($server, $port)) {
      echo "**  server added ** \n";
  }
  else {
      echo "** issue while creating a server **\n";
  }

  // Get server detail
  echo "Server Details :: \n";
  var_dump($memcacheD->getServerList());
?>

Output:

**  server added **
*** issue while creating a server **
Server Details ::

Reference: https://www.php.net/manual/en/book.memcached.php