PHP Memcached::getServerList() Function

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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

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