3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dt = new \DateTimeImmutable(); echo $dt->format('c'), "\n"; echo $dt->format(DATE_ATOM), "\n"; echo $dt->format(DATE_ISO8601), "\n"; echo $dt->format(DATE_ISO8601_EXPANDED), "\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)
8.5.10.0110.00520.21
8.5.00.0150.00619.89
8.4.160.0130.00723.64
8.4.150.0030.00014.05
8.4.140.0070.01317.75
8.4.130.0110.00917.82
8.4.120.0070.00320.58
8.4.110.0110.00522.38
8.4.100.0110.00818.11
8.4.90.0120.00917.82
8.4.80.0040.00517.87
8.4.70.0140.00617.90
8.4.60.0100.00818.49
8.4.50.0110.00917.91
8.4.40.0050.00518.04
8.4.30.0130.00720.73
8.4.20.0100.00919.92
8.4.10.0100.01023.53
8.3.280.0140.00618.43
8.3.270.0050.00316.73
8.3.260.0060.00416.82
8.3.250.0130.00618.75
8.3.240.0120.00716.63
8.3.230.0120.00816.70
8.3.220.0060.00117.08
8.3.210.0140.00816.66
8.3.200.0060.00216.55
8.3.190.0130.00716.59
8.3.180.0150.00418.40
8.3.170.0070.01118.94
8.3.160.0100.00718.49
8.3.150.0030.01717.16
8.3.140.0060.00318.85
8.3.130.0000.00818.48
8.3.120.0060.00318.80
8.3.110.0030.00720.94
8.3.100.0050.00324.06
8.3.90.0030.00526.77
8.3.80.0030.00618.43
8.3.70.0150.00716.85
8.3.60.0070.01416.75
8.3.50.0110.01118.32
8.3.40.0000.01420.00
8.3.30.0110.00418.84
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0000.00926.16
8.2.290.0070.01020.50
8.2.280.0090.01018.11
8.2.270.0160.00317.19
8.2.260.0040.01118.99
8.2.250.0110.00716.84
8.2.240.0130.00619.06
8.2.230.0040.00422.58
8.2.220.0000.00837.54
8.2.210.0040.00426.77
8.2.200.0060.00318.54
8.2.190.0070.01116.75
8.2.180.0170.00316.63
8.2.170.0150.00018.91
8.2.160.0070.00722.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0000.00726.16
8.2.110.0070.00322.13
8.2.100.0030.00718.87
8.2.40.0080.00617.62
8.1.330.0110.00816.95
8.1.320.0130.00716.46
8.1.310.0040.00416.58
8.1.300.0030.00518.10
8.1.290.0090.00030.84
8.1.280.0150.00325.92
8.1.270.0030.00523.96
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0070.00318.67
8.1.230.0100.00018.79
7.4.330.0100.00724.66

preferences:
33.95 ms | 403 KiB | 5 Q