Online PHP editor | perf for Yestf

<?php function ipv4Breakout ($ip_address, $ip_nmask) { $hosts = array(); //convert ip addresses to long form $ip_address_long = ip2long($ip_address); $ip_nmask_long = ip2long($ip_nmask); //caculate network address $ip_net = $ip_address_long & $ip_nmask_long; //caculate first usable address $ip_host_first = ((~$ip_nmask_long) & $ip_address_long); $ip_first = ($ip_address_long ^ $ip_host_first) + 1; //caculate last usable address $ip_broadcast_invert = ~$ip_nmask_long; $ip_last = ($ip_address_long | $ip_broadcast_invert) - 1; //caculate broadcast address $ip_broadcast = $ip_address_long | $ip_broadcast_invert; foreach (range($ip_first, $ip_last) as $ip) { array_push($hosts, $ip); } $block_info = array(array("network" => "$ip_net"), array("first_host" => "$ip_first"), array("last_host" => "$ip_last"), array("broadcast" => "$ip_broadcast"), $hosts); return $block_info; } print_r ipv4Breakout ('96.4.3.0', '255.255.255.0');

Version	System time (s)	User time (s)	Memory (MiB)
5.6.15	0.007	0.047	18.29
5.6.14	0.007	0.043	18.16
5.6.13	0.007	0.043	18.28
5.6.12	0.003	0.057	21.10
5.6.11	0.007	0.073	21.02
5.6.10	0.017	0.063	21.11
5.6.9	0.010	0.067	20.98
5.6.8	0.003	0.073	20.39
5.5.30	0.013	0.080	17.98
5.5.29	0.010	0.080	17.95
5.5.28	0.000	0.073	20.74
5.5.27	0.010	0.063	20.80
5.5.26	0.010	0.037	20.77
5.5.25	0.013	0.077	20.46
5.5.24	0.000	0.040	20.16