3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = new DateTime('midnight 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)
8.3.60.0090.00916.72
8.3.50.0130.01121.34
8.3.40.0040.01119.14
8.3.30.0130.01018.89
8.3.20.0040.00420.34
8.3.10.0120.00323.61
8.3.00.0050.00323.66
8.2.180.0100.01018.41
8.2.170.0090.00919.21
8.2.160.0080.00522.96
8.2.150.0100.00024.18
8.2.140.0050.00324.66
8.2.130.0060.00321.11
8.2.120.0050.00326.35
8.2.110.0030.00622.32
8.2.100.0070.00318.05
8.2.90.0030.00619.36
8.2.80.0040.00417.97
8.2.70.0080.00417.63
8.2.60.0040.00418.16
8.2.50.0030.00518.07
8.2.40.0030.00622.18
8.2.30.0050.00320.56
8.2.20.0000.00717.91
8.2.10.0040.00417.99
8.2.00.0050.00318.16
8.1.280.0000.01525.92
8.1.270.0050.00322.15
8.1.260.0040.00428.09
8.1.250.0110.00428.09
8.1.240.0090.00022.59
8.1.230.0050.00519.14
8.1.220.0040.00417.78
8.1.210.0050.00318.77
8.1.200.0000.00917.47
8.1.190.0040.00417.25
8.1.180.0000.00718.10
8.1.170.0000.00818.68
8.1.160.0050.00220.84
8.1.150.0030.00618.91
8.1.140.0060.00319.59
8.1.130.0000.00817.80
8.1.120.0000.00717.64
8.1.110.0040.00417.67
8.1.100.0040.00417.64
8.1.90.0040.00417.54
8.1.80.0000.00717.56
8.1.70.0030.00317.59
8.1.60.0000.00817.54
8.1.50.0000.00817.68
8.1.40.0070.00317.64
8.1.30.0030.00517.65
8.1.20.0040.00417.76
8.1.10.0000.00817.76
8.1.00.0080.00017.75
8.0.300.0000.00718.77
8.0.290.0040.00416.88
8.0.280.0030.00318.57
8.0.270.0000.00717.34
8.0.260.0000.00717.37
8.0.250.0060.00317.25
8.0.240.0040.00417.25
8.0.230.0030.00317.08
8.0.220.0000.00717.07
8.0.210.0000.00716.96
8.0.200.0000.00717.03
8.0.190.0080.00017.12
8.0.180.0000.00817.09
8.0.170.0060.00317.06
8.0.160.0000.00817.07
8.0.150.0000.00916.91
8.0.140.0060.00317.02
8.0.130.0060.00313.48
8.0.120.0040.00417.06
8.0.110.0000.00717.05
8.0.100.0040.00417.20
8.0.90.0080.00016.87
8.0.80.0090.00617.08
8.0.70.0040.00416.95
8.0.60.0030.00317.04
8.0.50.0040.00417.14
8.0.30.0070.01217.37
8.0.20.0080.01017.48
8.0.10.0000.00717.08
8.0.00.0120.00717.00
7.4.330.0050.00016.90
7.4.320.0040.00416.56
7.4.300.0000.00916.60
7.4.290.0000.00716.64
7.4.280.0000.00716.67
7.4.270.0030.00316.59
7.4.260.0000.00816.63
7.4.250.0040.00416.70
7.4.240.0000.00716.73
7.4.230.0000.00716.80
7.4.220.0120.00616.48
7.4.210.0100.01016.73
7.4.200.0030.00616.78
7.4.160.0180.00316.62
7.4.150.0090.01017.40
7.4.140.0060.01317.86
7.4.130.0120.00616.75
7.4.120.0110.00716.54
7.4.110.0090.01216.43
7.4.100.0060.01216.65
7.4.90.0090.00916.64
7.4.80.0120.00819.39
7.4.70.0060.01016.63
7.4.60.0070.01016.59
7.4.50.0110.00416.58
7.4.40.0100.00916.69
7.4.30.0130.00316.84
7.4.00.0050.00814.82
7.3.330.0000.00513.07
7.3.320.0000.00513.18
7.3.310.0000.00816.16
7.3.300.0030.00316.34
7.3.290.0050.00916.36
7.3.280.0050.01316.36
7.3.270.0090.00917.40
7.3.260.0090.00916.66
7.3.250.0120.01016.45
7.3.240.0110.00816.52
7.3.230.0140.00616.49
7.3.210.0100.00716.23
7.3.200.0090.01216.70
7.3.190.0060.01316.59
7.3.180.0130.00316.41
7.3.170.0090.01216.55
7.3.160.0100.00716.55
7.3.120.0070.01014.98
7.3.110.0040.01114.86
7.3.100.0070.00714.79
7.3.90.0050.00815.12
7.3.80.0030.00815.01
7.3.70.0050.00814.94
7.3.60.0040.00914.79
7.3.50.0060.00914.99
7.3.40.0080.00615.02
7.3.30.0090.00514.89
7.3.20.0080.00716.67
7.3.10.0110.00616.43
7.3.00.0070.01216.67
7.2.330.0090.00816.67
7.2.320.0000.02016.85
7.2.310.0060.00916.88
7.2.300.0030.01416.59
7.2.290.0070.01116.57
7.2.250.0080.00914.81
7.2.240.0080.00515.04
7.2.230.0010.01515.21
7.2.220.0110.00215.35
7.2.210.0110.00215.39
7.2.200.0080.00615.15
7.2.190.0040.01015.14
7.2.180.0060.00615.20
7.2.170.0040.00915.18
7.2.160.0140.00315.15
7.2.150.0090.00616.99
7.2.140.0110.00716.89
7.2.130.0120.00716.57
7.2.120.0120.00816.97
7.2.110.0080.00716.72
7.2.100.0120.00716.70
7.2.90.0060.01116.64
7.2.80.0090.00616.62
7.2.70.0110.01116.60
7.2.60.0090.00816.99
7.2.50.0080.01216.76
7.2.40.0180.00416.90
7.2.30.0090.01216.77
7.2.20.0150.00816.70
7.2.10.0150.00316.79
7.2.00.0100.01017.86
7.1.330.0070.00515.95
7.1.320.0060.00715.87
7.1.310.0040.00815.81
7.1.300.0060.00615.78
7.1.290.0050.00715.85
7.1.280.0070.00715.74
7.1.270.0070.00715.78
7.1.260.0080.00715.84
7.1.250.0120.00515.61
7.1.200.0060.00916.01
7.1.100.0040.01118.42
7.1.70.0000.00817.28
7.1.60.0070.01719.52
7.1.50.0140.00716.70
7.1.00.0030.07722.45
7.0.200.0070.00016.65
7.0.60.0230.04019.94
7.0.50.0100.03317.85
7.0.40.0030.08720.19
7.0.30.0230.08020.16
7.0.20.0370.04720.09
7.0.10.0100.05320.12
7.0.00.0000.04720.09
5.6.280.0000.07020.99
5.6.210.0130.08020.50
5.6.200.0100.07718.12
5.6.190.0070.07720.49
5.6.180.0200.08720.35
5.6.170.0230.08020.47
5.6.160.0000.04720.45
5.6.150.0070.07718.15
5.6.140.0100.04718.16
5.6.130.0100.05018.22
5.6.120.0000.06321.08
5.6.110.0030.05021.13
5.6.100.0100.06721.00
5.6.90.0030.05321.09
5.6.80.0100.05320.50
5.5.350.0330.06020.44
5.5.340.0100.05017.92
5.5.330.0070.05020.19
5.5.320.0230.08320.18
5.5.310.0270.07020.21
5.5.300.0030.03717.96
5.5.290.0130.07317.95
5.5.280.0000.07720.75
5.5.270.0000.08020.84
5.5.260.0070.05320.64
5.5.250.0100.06020.61
5.5.240.0130.03020.15

preferences:
53.78 ms | 401 KiB | 5 Q