Improved Scratch Wiki Vote Counter (PHP) - algorithm based on blob8108's, but implemented in PHP

wikicounter.php

<?php
$data = file_get_contents('http://wiki.scratch.mit.edu/w/api.php?action=query&titles=Scratch%20Wiki:Votes%20For%20Admin%202013&prop=revisions&rvprop=content&format=xml&salt=' . md5(time()));
$xml = new SimpleXMLElement($data);
$votes = (string) ($xml->query->pages->page->revisions->rev);
$lines = explode("\n", $votes);
$vote_lines = array();
foreach ($lines as $val) {
	if (preg_match('%^\| *[A-z]%msi', $val)) {
		$vote_lines[] = $val;
	}
}
$votes = array();
foreach ($vote_lines as $val) {
	preg_match_all('%\| *([^ |]+)%s', $val, $columns);
	$voter = $columns[1][0];
	unset($columns[1][0]);
	$i = sizeof($columns[1]);
	foreach ($columns[1] as $vote) {
		if (!strstr($vote, 'N/A') && strpos($vote, '<') !== 0) {
			if (isset($votes[strtolower($vote)])) {
				$votes[strtolower($vote)] += $i;
			} else {
				$votes[strtolower($vote)] = $i;
			}
			$i--;
		}
	}
}
natsort($votes);
$votes = array_reverse($votes);
echo 'Scratch Wiki Vote Calculator - COPYRIGHT (C)2013 Jacob G.' . "\n";
echo 'There are currently ' . sizeof($vote_lines) . ' votes, and your results are...' . "\n";
$i = 0;
foreach ($votes as $key => $val) {
    $i++;
    printf('%2d:%15s with %5d points', $i, $key, $val);
    echo "\n";
}