3v4l.org

run code in 300+ PHP versions simultaneously
<?php $datetime = new \DateTime('2022-07-31 00:00:00'); var_export($datetime->format('Y-m-d H:i:s')); $datetime->modify('last day of previous month'); var_export($datetime->format('Y-m-d H:i:s'));

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)
8.4.120.0120.00920.50
8.4.110.0120.00922.63
8.4.100.0100.01017.70
8.4.90.0100.00717.82
8.4.80.0090.01117.79
8.4.70.0080.01217.46
8.4.60.0100.01118.39
8.4.50.0100.00824.03
8.4.40.0190.00018.09
8.4.30.0260.00918.99
8.4.20.0250.00917.82
8.4.10.0180.01020.69
8.3.250.0110.00618.82
8.3.240.0040.00616.75
8.3.230.0140.00616.76
8.3.220.0110.00817.04
8.3.210.0110.01016.69
8.3.200.0060.00316.37
8.3.190.0110.00719.18
8.3.180.0140.00516.35
8.3.170.0030.00517.22
8.3.160.0220.00916.70
8.3.150.0190.00516.76
8.3.140.0220.00716.43
8.3.130.0200.00517.36
8.3.120.0220.00517.76
8.3.110.0190.00716.63
8.3.100.0160.01219.70
8.3.90.0200.01022.40
8.3.80.0180.01019.07
8.3.70.0230.00718.96
8.3.60.0210.00618.94
8.3.50.0190.00919.64
8.3.40.0160.00820.65
8.3.30.0190.00520.08
8.3.20.0160.00621.90
8.3.10.0170.00422.06
8.3.00.0090.00822.58
8.2.290.0120.00722.14
8.2.280.0070.00118.68
8.2.270.0260.00316.78
8.2.260.0210.00717.48
8.2.250.0270.00516.63
8.2.240.0180.00517.67
8.2.230.0190.00518.82
8.2.220.0240.00520.40
8.2.210.0120.00922.46
8.2.200.0160.00719.72
8.2.190.0170.00719.29
8.2.180.0200.00522.14
8.2.170.0250.00620.24
8.2.160.0220.00421.51
8.2.150.0170.00622.47
8.2.140.0200.00322.04
8.2.130.0190.00522.54
8.2.120.0170.00620.19
8.2.110.0190.00420.75
8.2.100.0180.00419.87
8.2.90.0170.00320.01
8.2.80.0170.00419.93
8.2.70.0170.00519.97
8.2.60.0170.00519.72
8.2.50.0160.00519.72
8.2.40.0170.00520.46
8.2.30.0130.00819.91
8.2.20.0120.00820.29
8.2.10.0160.00519.91
8.2.00.0150.00419.60
8.1.330.0120.00618.22
8.1.320.0140.00716.52
8.1.310.0170.00716.55
8.1.300.0140.01116.13
8.1.290.0160.00723.64
8.1.280.0190.00722.00
8.1.270.0160.00622.06
8.1.260.0120.00922.62
8.1.250.0150.00623.21
8.1.240.0140.00721.13
8.1.230.0200.00221.88
8.1.220.0140.00719.77
8.1.210.0100.01020.15
8.1.200.0120.00819.55
8.1.190.0130.00819.58
8.1.180.0130.00719.75
8.1.170.0130.00719.69
8.1.160.0240.00221.18
8.1.150.0180.00620.01
8.1.140.0090.00920.40
8.1.130.0150.00419.47
8.1.120.0110.00719.17
8.1.110.0130.00519.22
8.1.100.0100.00719.14
8.1.90.0180.00319.14
8.1.80.0150.00619.12
8.1.70.0140.00719.10
8.1.60.0170.00419.23
8.1.50.0170.00419.19
8.1.40.0190.00219.15
8.1.30.0150.00719.23
8.1.20.0160.00619.19
8.1.10.0140.00619.25
8.1.00.0130.00819.08
8.0.300.0140.00620.29
8.0.290.0140.00719.21
8.0.280.0140.00719.71
8.0.270.0200.00219.20
8.0.260.0150.00419.07
8.0.250.0140.00418.79
8.0.240.0150.00418.76
8.0.230.0170.00318.74
8.0.220.0150.00618.70
8.0.210.0130.00418.65
8.0.200.0140.00418.71
8.0.190.0090.00718.73
8.0.180.0130.00318.77
8.0.170.0120.00318.71
8.0.160.0100.00718.61
8.0.150.0070.00918.66
8.0.140.0090.00618.71
8.0.130.0120.00418.69
8.0.120.0110.00518.66
8.0.110.0090.00718.64
8.0.100.0100.00718.69
8.0.90.0130.00318.73
8.0.80.0120.00518.71
8.0.70.0160.00618.71
8.0.60.0190.00318.73
8.0.50.0200.00318.72
8.0.30.0140.00618.66
8.0.20.0180.00318.78
8.0.10.0170.00518.82
7.4.330.0110.00618.29
7.4.320.0130.00618.48
7.4.300.0200.00418.39
7.4.290.0170.00518.56
7.4.280.0160.00518.52
7.4.270.0190.00218.55
7.4.260.0190.00318.51
7.4.250.0130.00418.49
7.4.240.0140.00218.53
7.4.230.0150.00318.48
7.4.220.0140.00218.46
7.4.210.0120.00218.56
7.4.200.0090.00918.51
7.4.190.0160.00318.54
7.4.180.0120.00718.48
7.4.160.0150.00618.51
7.4.150.0160.00818.44
7.4.140.0170.00418.42
7.4.130.0150.00518.46
7.4.120.0160.00418.45
7.4.110.0110.01018.38
7.4.100.0160.00518.52
7.4.90.0140.00718.49
7.4.80.0100.01018.36
7.4.70.0170.00418.44
7.4.60.0140.00518.47
7.4.50.0150.00418.38
7.4.40.0150.00418.44
7.4.30.0150.00518.40
7.4.20.0150.00418.34
7.4.10.0160.00318.43
7.4.00.0130.00618.34

preferences:
28.62 ms | 403 KiB | 5 Q