3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dti2 = \DateTimeImmutable::createFromFormat('!Y-m-d', '2023-12-31', new \DateTimeZone('UTC')); echo "{$dti2->format(\DateTimeInterface::ATOM)}\n";

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)
8.5.10.0150.00516.82
8.5.00.0160.00620.04
8.4.160.0130.01023.77
8.4.150.0010.00114.05
8.4.140.0110.01017.55
8.4.130.0140.00917.99
8.4.120.0100.00820.59
8.4.110.0110.01018.67
8.4.100.0120.00817.66
8.4.90.0070.00317.81
8.4.80.0120.00817.64
8.4.70.0160.00917.72
8.4.60.0150.00524.05
8.4.50.0120.00818.73
8.4.40.0040.00417.74
8.4.30.0130.00618.96
8.4.20.0140.00721.57
8.4.10.0150.01017.69
8.3.290.0140.00720.82
8.3.280.0140.00618.28
8.3.270.0110.00816.36
8.3.260.0130.00616.57
8.3.250.0120.00718.56
8.3.240.0130.00716.47
8.3.230.0110.00816.64
8.3.220.0030.00517.29
8.3.210.0110.00316.64
8.3.200.0090.01118.66
8.3.190.0080.00617.29
8.3.180.0130.00518.54
8.3.170.0160.00317.28
8.3.160.0110.00718.38
8.3.150.0150.00416.85
8.3.140.0210.00016.64
8.3.130.0190.00016.29
8.3.120.0180.00316.64
8.3.110.0200.00016.19
8.3.100.0140.00718.02
8.3.90.0120.00816.45
8.3.80.0180.00416.35
8.3.70.0180.00416.46
8.3.60.0140.00716.24
8.3.50.0150.00516.48
8.3.40.0220.00017.17
8.3.30.0150.00319.21
8.3.20.0140.00517.30
8.3.10.0160.00217.56
8.3.00.0080.00319.52
8.2.300.0140.00617.94
8.2.290.0140.00420.55
8.2.280.0030.00518.63
8.2.270.0070.00716.45
8.2.260.0030.00618.27
8.2.250.0130.00516.75
8.2.240.0130.00516.28
8.2.230.0120.00816.24
8.2.220.0100.01016.50
8.2.210.0160.00316.67
8.2.200.0190.00016.47
8.2.190.0150.00316.54
8.2.180.0120.00616.44
8.2.170.0150.00517.64
8.2.160.0150.00617.39
8.2.150.0100.01017.47
8.2.140.0130.00719.38
8.2.130.0100.01017.56
8.2.120.0170.00317.43
8.2.110.0140.00317.38
8.2.100.0180.00017.20
8.2.90.0150.00317.47
8.2.80.0140.00517.24
8.2.70.0200.00017.59
8.2.60.0180.00017.43
8.2.50.0150.00417.55
8.2.40.0150.00317.38
8.2.30.0140.00417.79
8.2.20.0100.01017.25
8.2.10.0130.00317.36
8.2.00.0130.00417.50
8.1.340.0120.00717.70
8.1.320.0120.00716.05

preferences:
47.5 ms | 403 KiB | 5 Q