3v4l.org

run code in 300+ PHP versions simultaneously
<?php function daysInWeek($weekNum) { $result = array(); $datetime = new DateTime('00:00:00'); $datetime->setISODate((int)$datetime->format('o'), $weekNum, 1); $interval = new DateInterval('P1D'); $week = new DatePeriod($datetime, $interval, 6); foreach($week as $day){ $result[] = $day->format('D d m Y H:i:s'); } return $result; } var_dump(daysInWeek(24)); //and the difficult ones:- #var_dump(daysInWeek(1)); #var_dump(daysInWeek(53));

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)
8.3.60.0140.00018.68
8.3.50.0120.00921.95
8.3.40.0120.00418.79
8.3.30.0030.01219.14
8.3.20.0080.00020.34
8.3.10.0000.00823.56
8.3.00.0060.00319.00
8.2.180.0120.00616.88
8.2.170.0040.01122.96
8.2.160.0100.00320.52
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0000.00820.77
8.2.110.0060.00322.24
8.2.100.0110.00018.03
8.2.90.0040.00419.36
8.2.80.0050.00317.97
8.2.70.0000.00917.88
8.2.60.0000.00818.05
8.2.50.0030.00618.07
8.2.40.0040.00421.12
8.2.30.0000.00718.39
8.2.20.0000.00717.87
8.2.10.0070.00018.07
8.2.00.0040.00417.92
8.1.280.0100.00725.92
8.1.270.0050.00324.01
8.1.260.0060.00326.35
8.1.250.0000.00728.09
8.1.240.0040.00422.12
8.1.230.0040.00719.10
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0100.00017.38
8.1.190.0050.00317.35
8.1.180.0060.00318.10
8.1.170.0000.00818.59
8.1.160.0050.00322.03
8.1.150.0080.00018.79
8.1.140.0000.00717.64
8.1.130.0040.00417.79
8.1.120.0040.00417.68
8.1.110.0000.00717.67
8.1.100.0040.00417.61
8.1.90.0040.00417.57
8.1.80.0000.00817.68
8.1.70.0030.00317.51
8.1.60.0090.00017.69
8.1.50.0000.00817.63
8.1.40.0040.00417.65
8.1.30.0050.00317.63
8.1.20.0050.00317.75
8.1.10.0000.00817.58
8.1.00.0030.00517.69
8.0.300.0000.00818.77
8.0.290.0080.00017.18
8.0.280.0000.00718.40
8.0.270.0040.00417.22
8.0.260.0030.00317.20
8.0.250.0040.00417.05
8.0.240.0070.00017.16
8.0.230.0030.00317.17
8.0.220.0070.00017.01
8.0.210.0000.00717.10
8.0.200.0040.00417.18
8.0.190.0070.00017.17
8.0.180.0050.00317.04
8.0.170.0040.00417.11
8.0.160.0040.00417.03
8.0.150.0000.00717.05
8.0.140.0060.00317.05
8.0.130.0000.00713.44
8.0.120.0000.00717.03
8.0.110.0050.00316.99
8.0.100.0040.00317.12
8.0.90.0000.00717.11
8.0.80.0080.00817.10
8.0.70.0000.00716.94
8.0.60.0000.00717.00
8.0.50.0040.00416.90
8.0.30.0080.01117.32
8.0.20.0110.00917.40
8.0.10.0000.00717.31
8.0.00.0140.00616.95
7.4.330.0040.00015.00
7.4.320.0000.00616.78
7.4.300.0000.00616.74
7.4.290.0070.00016.66
7.4.280.0000.00716.55
7.4.270.0070.00016.73
7.4.260.0070.00016.62
7.4.250.0080.00016.74
7.4.240.0050.00216.63
7.4.230.0000.00716.66
7.4.220.0130.01416.77
7.4.210.0070.00716.72
7.4.200.0030.00316.73
7.4.190.0000.00716.50
7.4.160.0080.00816.54
7.4.150.0110.01017.40
7.4.140.0090.01317.86
7.4.130.0090.00816.81
7.4.120.0080.00916.80
7.4.110.0060.01116.73
7.4.100.0170.00016.79
7.4.90.0070.01116.72
7.4.80.0190.00019.39
7.4.70.0080.00916.52
7.4.60.0130.01016.64
7.4.50.0000.00916.47
7.4.40.0060.00916.58
7.4.30.0000.01616.78
7.4.00.0030.01015.20
7.3.330.0030.00313.44
7.3.320.0020.00213.43
7.3.310.0020.00516.54
7.3.300.0000.00716.45
7.3.290.0060.01116.38
7.3.280.0080.00916.43
7.3.270.0090.00917.40
7.3.260.0090.00916.66
7.3.250.0120.00516.71
7.3.240.0110.00616.63
7.3.230.0140.00316.93
7.3.210.0190.00016.37
7.3.200.0090.01219.39
7.3.190.0140.00316.77
7.3.180.0060.01016.65
7.3.170.0000.01616.79
7.3.160.0040.01516.61
7.3.120.0040.00915.30
7.2.330.0120.01216.72
7.2.320.0090.01316.51
7.2.310.0100.01017.05
7.2.300.0110.00616.97
7.2.290.0070.01116.86
7.2.60.0000.01317.09
7.1.200.0060.01016.00
7.1.70.0000.00717.15
7.1.60.0100.01419.46
7.1.50.0130.01017.27
7.1.00.0100.07022.41
7.0.200.0040.00417.01
7.0.140.0000.07722.16
7.0.60.0170.07319.99
7.0.50.0100.08317.87
7.0.40.0230.07020.11
7.0.30.0170.06020.08
7.0.20.0330.04720.32
7.0.10.0030.04720.37
7.0.00.0000.09020.29
5.6.280.0030.07320.87
5.6.210.0070.03720.47
5.6.200.0230.06718.16
5.6.190.0070.04320.48
5.6.180.0370.07020.52
5.6.170.0270.06020.39
5.6.160.0070.08720.59
5.6.150.0000.06318.15
5.6.140.0100.07718.18
5.6.130.0030.09018.21
5.6.120.0100.08020.99
5.6.110.0100.06720.96
5.6.100.0030.04321.11
5.6.90.0030.06320.89
5.6.80.0170.04720.43
5.5.350.4170.04020.45
5.5.340.0100.06017.98
5.5.330.0070.08720.42
5.5.320.0270.03320.32
5.5.310.0270.08020.32
5.5.300.0030.05317.96
5.5.290.0130.07317.98
5.5.280.0030.04320.80
5.5.270.0130.08020.96
5.5.260.0030.04020.87
5.5.250.0200.07020.58
5.5.240.0200.03320.15
5.4.450.0400.04340.55
5.4.440.0330.05038.68
5.4.430.0200.05331.64
5.4.420.0330.03731.53
5.4.410.0130.04328.00
5.4.400.0400.03025.55
5.4.390.0370.04724.42
5.4.380.0170.06718.46
5.4.370.0230.06318.76
5.4.360.0430.05318.59
5.4.350.0370.05018.52
5.4.340.0300.05018.60
5.4.320.0070.03512.50
5.4.310.0100.03512.50
5.4.300.0080.05112.51
5.4.290.0130.05012.50
5.4.280.0140.04512.40
5.4.270.0090.04712.40
5.4.260.0140.04512.40
5.4.250.0080.05412.40
5.4.240.0100.05212.39
5.4.230.0070.03812.39
5.4.220.0070.03912.39
5.4.210.0110.04712.39
5.4.200.0120.04512.39
5.4.190.0140.04412.39
5.4.180.0060.05312.39
5.4.170.0130.04512.40
5.4.160.0050.05012.39
5.4.150.0110.04612.39
5.4.140.0180.04312.07
5.4.130.0100.04712.06
5.4.120.0110.04612.02
5.4.110.0080.04812.01
5.4.100.0200.07612.02
5.4.90.0120.05512.01
5.4.80.0080.05212.01
5.4.70.0130.04312.01
5.4.60.0080.04612.01
5.4.50.0080.04512.01
5.4.40.0110.04812.00
5.4.30.0090.03911.99
5.4.20.0050.04611.99
5.4.10.0070.03611.99
5.4.00.0080.03811.48
5.3.290.0070.04612.80
5.3.280.0050.04312.71
5.3.270.0100.04212.73
5.3.260.0110.04412.72
5.3.250.0080.04012.72
5.3.240.0100.04212.72
5.3.230.0100.04212.71
5.3.220.0090.05112.68
5.3.210.0080.04412.68
5.3.200.0090.04812.68
5.3.190.0110.05112.68
5.3.180.0120.05012.67
5.3.170.0090.05112.67
5.3.160.0100.04512.67
5.3.150.0100.05012.68
5.3.140.0110.05512.66
5.3.130.0120.06012.66
5.3.120.0140.05712.66
5.3.110.0100.05112.66
5.3.100.0080.04912.13
5.3.90.0050.05212.10
5.3.80.0100.04912.09
5.3.70.0110.03812.09
5.3.60.0070.03612.08
5.3.50.0050.03812.02
5.3.40.0050.04212.02
5.3.30.0060.04411.98
5.3.20.0070.03911.76
5.3.10.0100.03911.73
5.3.00.0110.05011.72
5.2.170.0070.0399.22
5.2.160.0030.0439.22
5.2.150.0120.0389.21
5.2.140.0080.0459.21
5.2.130.0100.0419.18
5.2.120.0100.0389.18
5.2.110.0140.0339.18
5.2.100.0070.0429.18
5.2.90.0070.0419.18
5.2.80.0090.0379.18
5.2.70.0110.0639.18
5.2.60.0080.0499.14
5.2.50.0130.0429.10
5.2.40.0110.0389.08
5.2.30.0100.0419.05
5.2.20.0080.0419.05
5.2.10.0030.0338.95
5.2.00.0060.0348.80
5.1.60.0090.0298.09
5.1.50.0060.0288.08
5.1.40.0030.0278.06
5.1.30.0050.0318.42
5.1.20.0050.0328.43
5.1.10.0030.0298.16
5.1.00.0050.0268.16
5.0.50.0040.0206.65
5.0.40.0030.0206.51
5.0.30.0040.0326.32
5.0.20.0030.0236.29
5.0.10.0050.0206.27
5.0.00.0060.0296.26
4.4.90.0040.0164.78
4.4.80.0030.0204.75
4.4.70.0020.0214.76
4.4.60.0020.0214.76
4.4.50.0060.0184.77
4.4.40.0050.0254.71
4.4.30.0020.0174.75
4.4.20.0050.0164.85
4.4.10.0040.0194.85
4.4.00.0010.0284.75
4.3.110.0050.0194.67
4.3.100.0010.0214.66
4.3.90.0060.0154.63
4.3.80.0060.0224.59
4.3.70.0000.0234.63
4.3.60.0050.0184.62
4.3.50.0030.0184.63
4.3.40.0040.0244.54
4.3.30.0020.0183.30
4.3.20.0020.0183.28
4.3.10.0040.0153.24
4.3.00.0130.01723.77

preferences:
69.51 ms | 401 KiB | 5 Q