Online PHP editor | perf for Jbv5q

<?php $timezones = [ 'LA (USA)' => 'America/Los_Angeles', 'New York (USA)' => 'America/New_York', 'Paris (FR)' => 'Europe/Paris', 'Brisbane (Aus)' => 'Australia/Brisbane', ]; $locales = [ 'American' => 'en-US', 'Australian' => 'en-AU', 'British' =>'en-UK', 'Canadian' => 'en-CA', 'French Canadian' => 'fr-CA', 'French' => 'fr-FR', 'Japanese' => 'ja-JP', ]; $absoluteDate = new DateTimeImmutable('2024-12-06T03:02:01.123456Z'); foreach ($timezones as $place => $tzName) { echo "\n\n7 people in {$place}, each looking at their computer to find the time and date:"; foreach ($locales as $nationality => $locale) { $fullFormatter = new IntlDateFormatter( $locale, IntlDateFormatter::FULL, IntlDateFormatter::FULL, new DateTimeZone($tzName) ); $shortFormatter = new IntlDateFormatter( $locale, IntlDateFormatter::SHORT, IntlDateFormatter::SHORT, new DateTimeZone($tzName) ); $shortDateOnlyFormatter = new IntlDateFormatter( $locale, IntlDateFormatter::SHORT, IntlDateFormatter::NONE, new DateTimeZone($tzName) ); echo "\n The {$nationality} one sees: - Full: {$fullFormatter->format($absoluteDate)} - Short: {$shortFormatter->format($absoluteDate)} - Short date: {$shortDateOnlyFormatter->format($absoluteDate)}"; } }

Version	System time (s)	User time (s)	Memory (MiB)
8.4.1	0.011	0.004	24.55
8.3.14	0.010	0.021	23.46
8.3.13	0.007	0.007	23.56
8.3.12	0.004	0.011	23.98
8.3.11	0.003	0.014	23.46
8.3.10	0.000	0.017	24.06
8.3.9	0.009	0.006	26.77
8.3.8	0.010	0.010	22.00
8.3.7	0.036	0.018	21.75
8.3.6	0.011	0.021	21.88
8.3.5	0.016	0.023	21.72
8.3.4	0.035	0.016	22.13
8.2.26	0.010	0.007	22.21
8.2.25	0.016	0.013	21.94
8.2.24	0.006	0.010	22.23
8.2.23	0.006	0.010	22.58
8.2.22	0.009	0.006	37.54
8.2.21	0.007	0.028	26.77
8.2.20	0.007	0.018	22.13
8.2.19	0.020	0.030	21.63
8.2.18	0.022	0.010	23.75
8.2.17	0.021	0.014	24.13
8.1.31	0.010	0.026	22.09
8.1.30	0.009	0.006	21.28
8.1.29	0.006	0.012	30.84
8.1.28	0.006	0.026	23.18