3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = new DateTime('midnight of first day of previous month'); echo $date->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)
8.3.40.0130.00918.73
8.3.30.0090.00618.91
8.3.20.0040.00420.16
8.3.10.0090.00623.66
8.3.00.0040.00423.60
8.2.170.0120.00819.12
8.2.160.0030.01022.96
8.2.150.0030.00724.18
8.2.140.0040.00424.66
8.2.130.0060.00320.91
8.2.120.0040.00426.35
8.2.110.0070.00319.33
8.2.100.0070.00418.03
8.2.90.0050.00319.22
8.2.80.0050.00317.97
8.2.70.0000.01217.63
8.2.60.0000.00818.05
8.2.50.0080.00018.07
8.2.40.0070.00022.37
8.2.30.0080.00020.54
8.2.20.0040.00417.80
8.2.10.0000.00718.07
8.2.00.0070.00018.05
8.1.270.0070.00720.40
8.1.260.0000.00828.09
8.1.250.0100.00728.09
8.1.240.0060.00321.37
8.1.230.0030.00717.58
8.1.220.0030.00517.79
8.1.210.0130.00318.77
8.1.200.0060.00317.48
8.1.190.0000.00917.35
8.1.180.0000.00818.10
8.1.170.0040.00418.63
8.1.160.0040.00420.62
8.1.150.0000.01118.83
8.1.140.0060.00319.41
8.1.130.0080.00017.58
8.1.120.0040.00417.43
8.1.110.0000.00917.43
8.1.100.0050.00217.59
8.1.90.0040.00417.46
8.1.80.0050.00517.56
8.1.70.0000.00817.49
8.1.60.0000.00817.59
8.1.50.0090.00017.59
8.1.40.0030.00617.57
8.1.30.0080.00017.63
8.1.20.0000.00817.62
8.1.10.0070.00017.48
8.1.00.0040.00417.63
8.0.300.0070.00018.77
8.0.290.0000.00816.86
8.0.280.0080.00018.46
8.0.270.0030.00317.22
8.0.260.0040.00417.27
8.0.250.0030.00317.13
8.0.240.0040.00417.13
8.0.230.0030.00316.98
8.0.220.0030.00317.06
8.0.210.0000.00717.13
8.0.200.0000.00617.10
8.0.190.0050.00317.02
8.0.180.0050.00217.10
8.0.170.0040.00417.11
8.0.160.0000.00817.15
8.0.150.0030.00517.02
8.0.140.0070.00617.07
8.0.130.0030.00313.55
8.0.120.0040.00417.00
8.0.110.0040.00417.05
8.0.100.0070.00017.09
8.0.90.0040.00416.96
8.0.80.0090.00617.04
8.0.70.0000.00717.13
8.0.60.0000.00717.07
8.0.50.0070.00016.91
8.0.30.0110.00617.20
8.0.20.0120.00817.40
8.0.10.0000.00717.19
8.0.00.0130.00616.83
7.4.330.0000.00616.89
7.4.320.0000.00716.53
7.4.300.0040.00416.54
7.4.290.0040.00416.46
7.4.280.0030.00316.70
7.4.270.0000.00916.47
7.4.260.0000.00816.54
7.4.250.0000.00916.52
7.4.240.0000.00816.52
7.4.230.0000.00716.46
7.4.220.0060.01216.66
7.4.210.0040.01116.63
7.4.200.0040.00416.62
7.4.160.0030.01316.61
7.4.150.0090.00917.40
7.4.140.0130.00717.86
7.4.130.0090.00816.66
7.4.120.0100.00816.72
7.4.110.0060.01216.62
7.4.100.0090.00916.55
7.4.90.0110.00616.64
7.4.80.0070.01019.39
7.4.70.0110.00716.66
7.4.60.0100.00616.57
7.4.50.0100.00316.65
7.4.40.0090.00916.55
7.4.30.0130.00316.41
7.4.00.0000.01114.83
7.3.330.0020.00213.15
7.3.320.0050.00013.38
7.3.310.0050.00216.53
7.3.300.0030.00316.43
7.3.290.0090.00716.36
7.3.280.0140.00616.46
7.3.270.0060.01517.40
7.3.260.0070.01116.47
7.3.250.0060.01216.49
7.3.240.0080.01116.47
7.3.230.0030.01316.54
7.3.210.0100.00716.66
7.3.200.0030.01416.50
7.3.190.0060.01116.64
7.3.180.0090.00616.36
7.3.170.0070.01016.52
7.3.160.0110.00616.62
7.3.10.0080.00816.52
7.3.00.0000.01316.80
7.2.330.0150.00916.56
7.2.320.0100.01316.77
7.2.310.0090.01216.65
7.2.300.0170.00016.68
7.2.290.0030.01316.73
7.2.130.0090.00917.03
7.2.120.0150.00016.70
7.2.110.0070.00716.90
7.2.100.0040.00816.93
7.2.90.0110.00317.02
7.2.80.0040.01117.02
7.2.70.0040.00816.81
7.2.60.0050.00916.86
7.2.50.0100.00316.92
7.2.40.0030.00616.98
7.2.30.0090.00616.79
7.2.20.0030.01016.89
7.2.10.0100.00317.02
7.2.00.0070.00718.15
7.1.250.0070.00315.52
7.1.200.0090.00615.73
7.1.100.0080.00418.25
7.1.70.0000.00816.89
7.1.60.0120.01219.52
7.1.50.0030.01016.78
7.1.00.0030.07722.34
7.0.200.0030.00616.59
7.0.60.0070.08719.96
7.0.50.0030.05717.86
7.0.40.0130.08719.98
7.0.30.0270.04320.16
7.0.20.0330.07720.16
7.0.10.0030.07020.30
7.0.00.0070.07320.12
5.6.280.0000.04321.12
5.6.210.0070.07320.61
5.6.200.0030.05018.15
5.6.190.0100.06020.52
5.6.180.0230.08020.33
5.6.170.0270.07720.46
5.6.160.0070.04720.56
5.6.150.0030.04018.18
5.6.140.0070.06718.17
5.6.130.0100.05018.26
5.6.120.0100.08021.07
5.6.110.0100.03320.89
5.6.100.0070.08321.00
5.6.90.0170.07721.12
5.6.80.0030.08020.37
5.5.350.0200.04020.40
5.5.340.0100.05718.08
5.5.330.0200.06320.47
5.5.320.0300.04720.24
5.5.310.0200.04720.37
5.5.300.0070.03718.01
5.5.290.0070.08318.01
5.5.280.0070.05020.96
5.5.270.0030.07720.79
5.5.260.0200.07020.79
5.5.250.0070.03720.68
5.5.240.0130.03020.18

preferences:
62 ms | 400 KiB | 5 Q