3v4l.org

run code in 300+ PHP versions simultaneously
<?php $previousDay = null; foreach ($days as $day) { if(isset($previousDay)) { // Do the calculations with $day being the current one and prevDay the previous day (night?) } else { // For the first day of the array you have no previous so do normal calculations or smth } $previousDay = $day; }

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)
8.3.80.0060.00318.31
8.3.70.0120.00316.75
8.3.60.0140.00316.63
8.3.50.0190.00722.79
8.3.40.0110.00418.66
8.3.30.0030.01418.95
8.3.20.0040.00420.27
8.3.10.0050.00320.56
8.3.00.0080.00018.92
8.2.200.0060.00316.63
8.2.190.0120.00616.58
8.2.180.0070.00718.41
8.2.170.0000.01422.96
8.2.160.0060.00920.23
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.77
8.2.110.0100.00021.03
8.2.100.0060.00617.77
8.2.90.0030.00619.22
8.2.80.0000.00719.46
8.2.70.0050.00317.75
8.2.60.0070.00018.04
8.2.50.0030.00518.07
8.2.40.0000.00817.97
8.2.30.0040.00418.04
8.2.20.0000.00817.79
8.2.10.0030.00518.06
8.2.00.0000.00717.73
8.1.290.0090.00018.88
8.1.280.0140.00025.92
8.1.270.0130.00320.64
8.1.260.0000.00726.35
8.1.250.0050.00328.09
8.1.240.0090.00022.80
8.1.230.0080.00320.98
8.1.220.0040.00418.77
8.1.210.0040.00419.01
8.1.200.0060.00317.35
8.1.190.0000.00817.53
8.1.180.0000.00818.10
8.1.170.0000.00918.78
8.1.160.0040.00418.90
8.1.150.0000.00918.90
8.1.140.0000.00817.48
8.1.130.0070.00017.81
8.1.120.0070.00017.47
8.1.110.0030.00617.53
8.1.100.0070.00017.41
8.1.90.0000.00817.45
8.1.80.0030.00617.45
8.1.70.0030.00317.32
8.1.60.0000.01217.59
8.1.50.0060.00317.53
8.1.40.0000.00717.51
8.1.30.0040.00417.65
8.1.20.0000.00717.61
8.1.10.0030.00517.43
8.1.00.0000.00717.27
8.0.300.0040.00419.99
8.0.290.0040.00416.88
8.0.280.0000.00718.45
8.0.270.0030.00317.29
8.0.260.0030.00318.31
8.0.250.0000.00717.05
8.0.240.0070.00017.03
8.0.230.0070.00017.00
8.0.220.0030.00316.91
8.0.210.0000.00716.98
8.0.200.0030.00317.01
8.0.190.0000.00816.95
8.0.180.0000.00717.01
8.0.170.0070.00016.99
8.0.160.0000.00716.98
8.0.150.0040.00416.92
8.0.140.0080.00016.91
8.0.130.0040.00413.39
8.0.120.0000.00816.81
8.0.110.0040.00416.96
8.0.100.0030.00716.93
8.0.90.0070.00016.77
8.0.80.0080.00816.97
8.0.70.0000.00816.84
8.0.60.0070.00016.86
8.0.50.0000.00716.75
8.0.30.0070.01317.04
8.0.20.0130.00617.40
8.0.10.0050.00316.96
8.0.00.0100.01016.79
7.4.330.0050.00315.02
7.4.320.0000.00616.41
7.4.300.0030.00316.48
7.4.290.0000.00716.63
7.4.280.0030.00516.62
7.4.270.0000.00616.48
7.4.260.0030.00616.54
7.4.250.0000.00716.48
7.4.240.0020.00516.43
7.4.230.0040.00416.44
7.4.220.0110.00716.50
7.4.210.0040.01116.54
7.4.200.0030.00316.70
7.4.160.0070.01116.39
7.4.150.0060.01217.40
7.4.140.0130.00817.86
7.4.130.0200.00616.50
7.4.120.0130.01116.41
7.4.110.0090.00716.28
7.4.100.0060.01216.45
7.4.90.0070.01116.57
7.4.80.0070.01019.39
7.4.70.0110.01116.35
7.4.60.0040.01116.55
7.4.50.0080.00016.48
7.4.40.0100.00616.23
7.4.30.0070.01016.55
7.4.00.0030.01414.79
7.3.330.0000.00512.98
7.3.320.0030.00313.17
7.3.310.0030.00516.20
7.3.300.0000.00616.25
7.3.290.0070.00616.29
7.3.280.0100.00816.23
7.3.270.0080.00917.40
7.3.260.0180.00416.35
7.3.240.0120.00616.37
7.3.230.0060.00916.39
7.3.210.0070.01016.15
7.3.200.0030.01716.59
7.3.190.0100.00716.32
7.3.180.0040.01116.31
7.3.170.0070.01016.28
7.3.160.0130.00616.42
7.2.330.0130.00716.64
7.2.320.0040.01216.30
7.2.310.0130.01016.56
7.2.300.0070.01016.39
7.2.290.0060.01016.36
7.2.00.0070.00719.38
7.1.100.0030.01018.04
7.1.70.0030.00716.70
7.1.60.0040.01919.34
7.1.50.0270.01034.49
7.1.00.0000.08022.31
7.0.200.0020.00516.63
7.0.140.0070.06722.00
7.0.60.0130.06719.89
7.0.50.0130.07017.79
7.0.40.0070.05019.96
7.0.30.0370.07720.00
7.0.20.0230.07320.04
7.0.10.0070.04320.09
7.0.00.0000.06020.32
5.6.280.0130.06321.13
5.6.210.0100.08020.72
5.6.200.0070.05718.23
5.6.190.0000.08720.27
5.6.180.0070.08720.49
5.6.170.0230.04320.37
5.6.160.0000.04720.50
5.6.150.0030.04318.21
5.6.140.0030.08318.16
5.6.130.0030.04318.18
5.6.120.0130.04321.01
5.6.110.0130.07020.96
5.6.100.0100.03720.99
5.6.90.0170.07021.03
5.6.80.0000.08720.36
5.5.350.0300.06720.38
5.5.340.0100.07317.92
5.5.330.0030.05020.21
5.5.320.0300.07720.27
5.5.310.0370.07320.32
5.5.300.0070.08017.91
5.5.290.0030.08317.97
5.5.280.0030.04020.87
5.5.270.0030.05320.86
5.5.260.0070.06720.89
5.5.250.0070.06020.46
5.5.240.0330.05320.15
5.4.450.0130.05719.58
5.4.440.0600.06719.49
5.4.430.1130.05719.54
5.4.420.0100.05319.51
5.4.410.0030.06019.57
5.4.400.1070.05018.74
5.4.390.1030.05318.64
5.4.380.0200.06718.46
5.4.370.1000.06018.56
5.4.360.1000.06318.73
5.4.350.0090.03311.98
5.4.340.0120.03911.97
5.4.320.0140.03912.46
5.4.310.0090.04712.45
5.4.300.0150.07712.45
5.4.290.0130.06412.45
5.4.280.0190.05612.35
5.4.270.0130.07512.35
5.4.260.0170.07512.35
5.4.250.0110.04312.35
5.4.240.0110.04712.35
5.4.230.0120.03312.34
5.4.220.0080.04412.34
5.4.210.0170.11612.34
5.4.200.0100.05512.34
5.4.190.0090.04512.34
5.4.180.0100.03912.34
5.4.170.0080.04512.35
5.4.160.0130.06512.34
5.4.150.0200.05712.34
5.4.140.0060.03912.03
5.4.130.0120.03612.02
5.4.120.0150.05211.97
5.4.110.0100.06311.97
5.4.100.0120.03911.97
5.4.90.0150.08411.96
5.4.80.0090.03811.96
5.4.70.0070.03411.96
5.4.60.0030.03911.96
5.4.50.0070.03611.96
5.4.40.0140.04411.95
5.4.30.0140.05611.95
5.4.20.0130.04011.95
5.4.10.0050.03611.95
5.4.00.0120.05511.43
5.3.290.0100.05912.80
5.3.280.0130.04212.71
5.3.270.0100.03812.72
5.3.260.0090.08312.72
5.3.250.0150.06912.71
5.3.240.0100.04712.72
5.3.230.0070.05412.71
5.3.220.0080.04412.68
5.3.210.0120.06412.68
5.3.200.0320.10412.68
5.3.190.0200.07312.68
5.3.180.0150.05312.67
5.3.170.0080.03512.67
5.3.160.0160.06012.68
5.3.150.0120.06712.68
5.3.140.0100.04412.66
5.3.130.0080.05512.66
5.3.120.0110.05112.66
5.3.110.0070.04412.66
5.3.100.0140.06512.12
5.3.90.0100.04912.09
5.3.80.0080.04412.07
5.3.70.0090.04512.07
5.3.60.0090.07212.06
5.3.50.0160.09212.00
5.3.40.0080.04412.00
5.3.30.0070.04311.94
5.3.20.0120.03211.72
5.3.10.0090.04211.69
5.3.00.0050.04211.68
5.2.170.0050.0339.18
5.2.160.0080.0469.18
5.2.150.0140.0459.18
5.2.140.0070.0409.18
5.2.130.0050.0409.14
5.2.120.0070.0339.13
5.2.110.0040.0359.14
5.2.100.0110.0579.14
5.2.90.0220.0669.13
5.2.80.0110.0359.13
5.2.70.0080.0399.13
5.2.60.0150.0459.09
5.2.50.0080.0369.06
5.2.40.0130.0789.03
5.2.30.0090.0649.00
5.2.20.0050.0389.00
5.2.10.0050.0358.91
5.2.00.0070.0358.77
5.1.60.0060.0348.06
5.1.50.0090.0268.05
5.1.40.0070.0318.04
5.1.30.0090.0488.39
5.1.20.0070.0338.40
5.1.10.0050.0288.14
5.1.00.0080.0368.13
5.0.50.0040.0226.62
5.0.40.0050.0246.47
5.0.30.0070.0336.29
5.0.20.0040.0236.26
5.0.10.0060.0196.24
5.0.00.0080.0496.23
4.4.90.0050.0184.77
4.4.80.0040.0214.75
4.4.70.0060.0184.75
4.4.60.0050.0294.76
4.4.50.0070.0164.77
4.4.40.0040.0504.70
4.4.30.0040.0164.76
4.4.20.0050.0204.84
4.4.10.0040.0344.84
4.4.00.0050.0364.76
4.3.110.0040.0204.67
4.3.100.0040.0244.66
4.3.90.0000.0264.64
4.3.80.0280.0714.58
4.3.70.0110.0444.63
4.3.60.0030.0184.63
4.3.50.0050.0214.63
4.3.40.0030.0344.54
4.3.30.0020.0183.28
4.3.20.0010.0183.26
4.3.10.0030.0223.22
4.3.00.0100.0206.91

preferences:
30.33 ms | 401 KiB | 5 Q