Online PHP editor | perf for FS5fJ

<?php // your code goes here $ip = "16be:aa9f:92c0:1806:f54b:09a7:d926:3d55"; $start = microtime(true); $ipchk = !!preg_match("/^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?\s*$/", $ip); $end = microtime(true); $start2 = microtime(true); $ipchk2 = !!filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6); $end2 = microtime(true); echo "preg_match:\n"; echo ($end - $start) * 1000; echo "\n"; echo "filter_var:\n"; echo ($end2 - $start2) * 1000;

Version	System time (s)	User time (s)	Memory (MiB)
8.0.0	0.012	0.007	17.19
7.4.13	0.018	0.004	17.10
7.4.12	0.010	0.014	16.79
7.4.11	0.009	0.014	16.91
7.4.10	0.009	0.009	16.80
7.4.9	0.015	0.005	16.68
7.4.8	0.009	0.009	16.96
7.4.7	0.007	0.011	16.75
7.4.6	0.012	0.006	16.83
7.4.5	0.014	0.013	17.00
7.4.4	0.003	0.015	16.70
7.4.3	0.013	0.005	16.81
7.4.2	0.009	0.015	16.88
7.4.1	0.012	0.006	16.72
7.4.0	0.012	0.006	16.57
7.3.25	0.007	0.011	16.61
7.3.24	0.016	0.004	16.87
7.3.23	0.004	0.014	16.78
7.3.22	0.014	0.004	16.84
7.3.21	0.011	0.008	16.87
7.3.20	0.005	0.013	16.83
7.3.19	0.007	0.010	16.58
7.3.18	0.009	0.009	16.54
7.3.17	0.007	0.011	16.83
7.3.16	0.010	0.007	16.73
7.3.15	0.011	0.007	16.82
7.3.14	0.014	0.003	16.57
7.3.13	0.012	0.006	16.88
7.3.12	0.000	0.017	16.61
7.3.11	0.012	0.006	16.53
7.3.10	0.013	0.013	16.63
7.3.9	0.008	0.008	16.95
7.3.8	0.014	0.004	16.83
7.3.7	0.015	0.006	16.72
7.3.6	0.007	0.010	16.73
7.3.5	0.000	0.017	16.79
7.3.4	0.008	0.008	16.58
7.3.3	0.011	0.005	16.72
7.3.2	0.007	0.010	16.60
7.3.1	0.011	0.007	16.81
7.3.0	0.010	0.007	16.74