t/90174

myfilter.php

<?php
function myfilter($src, $limit = 5)
{
	$ips = array_map(function ($entry) { return $entry['ip']; }, $src);
	$ipcount = array_count_values($ips);
	$filtered_data = array_filter($src, function ($entry) use ($ipcount, $limit) { return $ipcount[$entry['ip']] >= $limit; });
	return $filtered_data;
}

myfilter.rb

def myfilter src, limit = 5
	ips = src.inject(Hash.new(0)) { |ips, entry| ips[entry[:ip]] += 1 ; ips }
	src.select { |entry| ips[entry[:ip]] >= limit }
end