3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f = new \DateTime('previous month last day of last hour'); //$f->modify('first day of'); echo $f->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)
8.3.60.0170.00316.49
8.3.50.0100.01021.17
8.3.40.0090.00618.64
8.3.30.0070.00718.79
8.3.20.0180.00020.39
8.3.10.0040.00421.91
8.3.00.0040.00423.50
8.2.180.0030.01716.61
8.2.170.0140.00722.96
8.2.160.0130.00020.35
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00019.95
8.2.120.0050.00226.35
8.2.110.0040.00421.05
8.2.100.0070.00418.03
8.2.90.0000.00919.09
8.2.80.0030.00518.16
8.2.70.0050.00317.75
8.2.60.0060.00318.05
8.2.50.0060.00318.07
8.2.40.0060.00322.51
8.2.30.0080.00019.45
8.2.20.0040.00417.87
8.2.10.0030.00617.99
8.2.00.0000.00718.18
8.1.280.0090.00925.92
8.1.270.0150.00023.91
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0050.00523.94
8.1.230.0110.00019.10
8.1.220.0000.00917.88
8.1.210.0040.00418.77
8.1.200.0100.00017.47
8.1.190.0080.00317.48
8.1.180.0000.00818.10
8.1.170.0000.00818.83
8.1.160.0030.00520.84
8.1.150.0040.00418.89
8.1.140.0000.00819.58
8.1.130.0030.00317.81
8.1.120.0040.00417.66
8.1.110.0000.00717.64
8.1.100.0050.00317.54
8.1.90.0040.00417.61
8.1.80.0000.00817.64
8.1.70.0030.00517.62
8.1.60.0070.00017.59
8.1.50.0000.00917.66
8.1.40.0030.00517.61
8.1.30.0030.00517.76
8.1.20.0000.00817.63
8.1.10.0040.00417.68
8.1.00.0000.00917.77
8.0.300.0030.00518.77
8.0.290.0060.00317.00
8.0.280.0040.00418.53
8.0.270.0000.00817.40
8.0.260.0060.00017.29
8.0.250.0040.00417.12
8.0.240.0030.00317.23
8.0.230.0030.00317.21
8.0.220.0000.00716.95
8.0.210.0040.00417.04
8.0.200.0040.00417.06
8.0.190.0030.00317.14
8.0.180.0000.00817.03
8.0.170.0080.00017.13
8.0.160.0060.00317.13
8.0.150.0040.00417.05
8.0.140.0000.00717.09
8.0.130.0050.00013.41
8.0.120.0030.00516.97
8.0.110.0000.00817.00
8.0.100.0000.00717.11
8.0.90.0040.00417.05
8.0.80.0070.01417.11
8.0.70.0000.00717.03
8.0.60.0040.00416.92
8.0.50.0060.00316.92
8.0.30.0130.00617.26
8.0.20.0060.01217.43
8.0.10.0000.00717.16
8.0.00.0110.01017.00
7.4.330.0020.00216.71
7.4.320.0000.00716.73
7.4.300.0040.00416.77
7.4.290.0040.00416.61
7.4.280.0030.00616.77
7.4.270.0060.00016.72
7.4.260.0070.00016.74
7.4.250.0030.00516.61
7.4.240.0020.00616.67
7.4.230.0070.00016.73
7.4.220.0000.02016.66
7.4.210.0090.00916.82
7.4.200.0030.00316.47
7.4.160.0060.00916.77
7.4.150.0030.01317.40
7.4.140.0060.01317.86
7.4.130.0110.01016.72
7.4.120.0090.00816.54
7.4.110.0030.01416.66
7.4.100.0070.01016.70
7.4.90.0100.00716.70
7.4.80.0130.00319.39
7.4.70.0100.00616.67
7.4.60.0090.00616.65
7.4.50.0090.00916.66
7.4.40.0220.00016.46
7.4.30.0120.00316.59
7.4.00.0100.00715.03
7.3.330.0050.00013.07
7.3.320.0050.00013.20
7.3.310.0000.00716.30
7.3.300.0030.00616.12
7.3.290.0070.01116.36
7.3.280.0040.01116.32
7.3.270.0030.01317.40
7.3.260.0080.00816.55
7.3.250.0120.00916.41
7.3.240.0120.00716.57
7.3.230.0110.01116.58
7.3.210.0120.00616.72
7.3.200.0090.00919.39
7.3.190.0140.00816.35
7.3.180.0130.00316.42
7.3.170.0030.01316.63
7.3.160.0140.00316.68
7.3.10.0170.01116.52
7.3.00.0130.01216.58
7.2.330.0060.01616.66
7.2.320.0130.00316.82
7.2.310.0160.00016.98
7.2.300.0060.00916.80
7.2.290.0130.01016.54
7.2.130.0130.00716.55
7.2.120.0100.01016.96
7.2.110.0210.00716.70
7.2.100.0250.00616.79
7.2.90.0160.00616.70
7.2.80.0290.00817.18
7.2.70.0170.01716.65
7.2.60.0130.00716.98
7.2.50.0340.00616.80
7.2.40.0190.00616.98
7.2.30.0190.00616.96
7.2.20.0170.01316.73
7.2.10.0150.00916.94
7.2.00.0120.00718.30
7.1.250.0210.00315.36
7.1.200.0060.00615.64
7.1.100.0100.00718.12
7.1.70.0110.00317.10
7.1.60.0090.01519.30
7.1.50.0090.01617.02
7.1.00.0070.07322.47
7.0.200.0030.00716.91
7.0.60.0230.07721.74
7.0.50.0070.08317.82
7.0.40.0000.04719.90
7.0.30.0170.04020.16
7.0.20.0430.07320.08
7.0.10.0030.06320.04
7.0.00.0130.07720.16
5.6.280.0030.05721.02
5.6.210.0070.06020.54
5.6.200.0130.07018.17
5.6.190.0030.05320.35
5.6.180.0530.06720.45
5.6.170.0170.05320.33
5.6.160.0070.04020.40
5.6.150.0100.06718.21
5.6.140.0170.05718.20
5.6.130.0070.07318.22
5.6.120.0070.05721.11
5.6.110.0100.08721.00
5.6.100.0070.07020.98
5.6.90.0030.04021.05
5.6.80.0100.07720.38
5.5.350.0200.08020.48
5.5.340.0030.04717.89
5.5.330.0070.07720.21
5.5.320.0300.03720.49
5.5.310.0270.04320.20
5.5.300.0070.08317.93
5.5.290.0070.07317.96
5.5.280.0100.04320.86
5.5.270.0070.08320.97
5.5.260.0070.07320.84
5.5.250.0100.03320.68
5.5.240.0170.06720.28

preferences:
55.54 ms | 401 KiB | 5 Q