3v4l.org

run code in 300+ PHP versions simultaneously
<?php function timezoneExhibitsDST($tzId) { $tz = new DateTimeZone($tzId); $date = new DateTime("now",$tz); var_dump($date->format('c')); $trans = $tz->getTransitions(); foreach ($trans as $k => $t) if ($t["ts"] > $date->format('U')) { print_r($t); print_r($trans[$k-1]); return $trans[$k-1]['isdst']; } } var_dump(timezoneExhibitsDST("Europe/London"));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0160.00316.63
8.3.50.0060.01518.33
8.3.40.0130.01019.09
8.3.30.0090.01218.96
8.3.20.0070.00320.32
8.3.10.0090.00023.42
8.3.00.0040.00422.00
8.2.180.0150.00716.50
8.2.170.0120.00322.96
8.2.160.0110.00419.51
8.2.150.0190.00324.18
8.2.140.0030.00524.66
8.2.130.0040.00420.92
8.2.120.0090.00026.35
8.2.110.0030.00621.13
8.2.100.0120.00018.03
8.2.90.0060.00319.30
8.2.80.0040.00418.05
8.2.70.0030.00518.00
8.2.60.0080.00018.18
8.2.50.0060.00318.18
8.2.40.0060.00320.54
8.2.30.0030.00621.16
8.2.20.0040.00418.38
8.2.10.0050.00218.25
8.2.00.0000.00918.28
8.1.280.0080.00825.92
8.1.270.0040.00422.44
8.1.260.0200.00026.35
8.1.250.0000.00928.09
8.1.240.0040.00423.83
8.1.230.0070.00418.26
8.1.220.0040.00418.03
8.1.210.0040.00418.77
8.1.200.0070.00417.73
8.1.190.0040.00417.60
8.1.180.0000.00818.10
8.1.170.0060.00319.07
8.1.160.0040.00419.27
8.1.150.0000.00719.15
8.1.140.0000.00719.74
8.1.130.0000.00719.19
8.1.120.0040.00417.93
8.1.110.0030.00517.82
8.1.100.0050.00317.88
8.1.90.0060.00317.75
8.1.80.0080.00017.84
8.1.70.0000.00817.91
8.1.60.0030.00617.88
8.1.50.0030.00617.84
8.1.40.0030.00517.69
8.1.30.0000.00817.87
8.1.20.0030.00617.84
8.1.10.0040.00417.85
8.1.00.0040.00417.67
8.0.300.0030.00618.77
8.0.290.0060.00317.13
8.0.280.0000.00718.70
8.0.270.0040.00417.46
8.0.260.0060.00317.23
8.0.250.0040.00417.27
8.0.240.0000.00717.31
8.0.230.0040.00417.34
8.0.220.0030.00517.28
8.0.210.0040.00417.35
8.0.200.0080.00017.26
8.0.190.0090.00017.34
8.0.180.0040.00417.29
8.0.170.0040.00417.34
8.0.160.0030.00517.36
8.0.150.0040.00417.22
8.0.140.0000.00717.14
8.0.130.0030.00313.68
8.0.120.0000.00817.25
8.0.110.0040.00417.31
8.0.100.0020.00517.31
8.0.90.0000.00917.34
8.0.80.0070.01417.34
8.0.70.0030.00517.19
8.0.60.0040.00417.10
8.0.50.0040.00417.21
8.0.30.0100.01217.51
8.0.20.0100.01117.56
8.0.10.0020.00517.43
8.0.00.0120.00917.04
7.4.330.0000.00615.55
7.4.320.0030.00316.83
7.4.300.0030.00316.82
7.4.290.0060.00316.91
7.4.280.0000.00716.86
7.4.270.0060.00316.78
7.4.260.0040.00416.74
7.4.250.0080.00016.77
7.4.240.0040.00416.91
7.4.230.0040.00416.88
7.4.220.0200.00016.95
7.4.210.0090.00716.88
7.4.200.0020.00516.95
7.4.160.0100.00716.97
7.4.150.0090.00917.40
7.4.140.0090.01517.86
7.4.130.0110.01116.84
7.4.120.0110.00916.91
7.3.330.0030.00313.70
7.3.320.0030.00313.47
7.3.310.0060.00316.68
7.3.300.0040.00416.70
7.3.290.0040.00416.64
7.3.280.0080.01016.67
7.3.270.0110.00617.40
7.3.260.0130.00716.72
7.3.250.0120.00816.85
7.3.240.0080.01516.82

preferences:
40.41 ms | 401 KiB | 5 Q