block test script - takes an array of IPs and spits the lcally blocked ones back at you.

blockscript.php

<?php

ini_set("user_agent", "stw-block-script/1.0 ( User:Stwalkerster )");

$iplist = array( "127.0.0.1" );

header("Content-Type: text/plain");

foreach($iplist as $ip){
  $data = (unserialize(file_get_contents("http://en.wikipedia.org/w/api.php?action=query&list=blocks&format=php&bkusers=$ip")));

	if( count( $data["query"]["blocks"]) != 0 )
		echo $ip . "\n";
}