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(35));

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)
8.3.60.0180.00416.88
8.3.50.0110.00622.03
8.3.40.0030.01318.96
8.3.30.0140.00419.21
8.3.20.0040.00420.52
8.3.10.0030.00620.78
8.3.00.0040.00419.50
8.2.180.0100.00616.63
8.2.170.0070.01122.96
8.2.160.0100.00320.39
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0050.00321.01
8.2.110.0030.00620.41
8.2.100.0080.00418.16
8.2.90.0040.00419.30
8.2.80.0080.00018.00
8.2.70.0050.00317.74
8.2.60.0030.00517.93
8.2.50.0050.00318.07
8.2.40.0070.00418.28
8.2.30.0030.00519.56
8.2.20.0040.00417.95
8.2.10.0050.00218.14
8.2.00.0030.00617.88
8.1.280.0150.00025.92
8.1.270.0100.00022.14
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0090.00022.06
8.1.230.0040.00719.16
8.1.220.0030.00617.78
8.1.210.0040.00418.77
8.1.200.0030.00617.48
8.1.190.0080.00017.34
8.1.180.0040.00418.10
8.1.170.0040.00418.66
8.1.160.0080.00021.90
8.1.150.0040.00418.96
8.1.140.0040.00417.71
8.1.130.0030.00317.90
8.1.120.0000.00817.70
8.1.110.0040.00417.57
8.1.100.0040.00417.66
8.1.90.0030.00417.54
8.1.80.0040.00417.64
8.1.70.0030.00317.68
8.1.60.0000.00817.74
8.1.50.0040.00417.70
8.1.40.0050.00317.66
8.1.30.0030.00617.66
8.1.20.0030.00517.79
8.1.10.0030.00517.68
8.1.00.0040.00417.79
8.0.300.0080.00018.77
8.0.290.0040.00416.88
8.0.280.0070.00018.45
8.0.270.0100.00017.34
8.0.260.0040.00417.35
8.0.250.0030.00317.07
8.0.240.0000.00717.20
8.0.230.0000.00717.20
8.0.220.0000.00717.08
8.0.210.0030.00317.08
8.0.200.0060.00017.15
8.0.190.0030.00517.22
8.0.180.0040.00417.02
8.0.170.0040.00417.21
8.0.160.0040.00416.98
8.0.150.0040.00417.05
8.0.140.0020.00517.09
8.0.130.0030.00313.46
8.0.120.0060.00316.97
8.0.110.0040.00417.00
8.0.100.0040.00416.89
8.0.90.0000.00717.14
8.0.80.0130.00317.08
8.0.70.0000.00716.90
8.0.60.0040.00417.00
8.0.50.0020.00517.16
8.0.30.0120.00817.34
8.0.20.0150.00717.40
8.0.10.0040.00417.09
8.0.00.0110.00717.10
7.4.330.0000.00515.11
7.4.320.0030.00316.64
7.4.300.0030.00316.57
7.4.290.0040.00416.56
7.4.280.0000.00716.74
7.4.270.0070.00016.72
7.4.260.0040.00416.63
7.4.250.0000.00916.71
7.4.240.0040.00316.61
7.4.230.0030.00316.66
7.4.220.0100.00716.68
7.4.210.0030.01216.74
7.4.200.0070.00016.55
7.4.160.0160.00416.68
7.4.150.0120.00617.40
7.4.140.0140.00617.86
7.4.130.0140.00816.49
7.4.120.0090.01216.66
7.4.110.0150.01016.59
7.4.100.0150.01116.65
7.4.90.0100.00716.65
7.4.80.0090.00919.39
7.4.70.0070.01116.73
7.4.60.0120.00616.71
7.4.50.0030.00616.77
7.4.40.0070.01016.53
7.4.30.0100.00516.77
7.4.00.0030.01315.04
7.3.330.0000.00613.27
7.3.320.0000.00713.51
7.3.310.0000.00716.47
7.3.300.0000.00616.42
7.3.290.0090.00616.46
7.3.280.0100.00616.48
7.3.270.0170.00917.40
7.3.260.0110.00916.61
7.3.250.0050.01416.78
7.3.240.0150.00616.48
7.3.230.0090.00916.50
7.3.210.0100.00916.51
7.3.200.0100.00719.39
7.3.190.0180.00616.75
7.3.180.0100.00616.49
7.3.170.0090.00916.44
7.3.160.0100.00616.46
7.3.10.0090.00716.55
7.3.00.0100.00516.64
7.2.330.0070.01116.70
7.2.320.0130.00616.99
7.2.310.0030.01416.99
7.2.300.0100.00616.72
7.2.290.0090.01516.73
7.2.130.0030.01116.83
7.2.120.0060.00716.80
7.2.110.0050.01116.89
7.2.100.0030.00816.94
7.2.90.0090.00617.11
7.2.80.0100.00616.89
7.2.70.0070.00717.10
7.2.60.0360.00916.76
7.2.50.0070.00716.80
7.2.40.0070.00816.70
7.2.30.0050.00616.85
7.2.20.0050.01217.16
7.2.10.0090.00716.92
7.2.00.0080.00816.91
7.1.250.0120.00515.64
7.1.200.0060.00615.76
7.1.100.0030.00718.28
7.1.70.0040.00417.41
7.1.60.0100.01319.61
7.1.50.0000.01317.08
7.1.00.0030.07722.54
7.0.200.0000.00916.86
7.0.140.0030.07321.95
7.0.60.0030.04019.82
7.0.50.0100.07317.72
7.0.40.0070.09320.27
7.0.30.0230.03320.08
7.0.20.0330.05020.15
7.0.10.0070.08720.08
7.0.00.0070.04320.16
5.6.280.0030.07320.87
5.6.210.0100.03320.72
5.6.200.0070.08718.29
5.6.190.0030.05720.73
5.6.180.0230.04320.77
5.6.170.0230.08720.61
5.6.160.0100.08020.50
5.6.150.0100.08018.18
5.6.140.0030.04718.18
5.6.130.0000.05018.15
5.6.120.0100.08021.12
5.6.110.0030.08020.90
5.6.100.0100.07720.89
5.6.90.0100.05320.95
5.6.80.0000.04320.48
5.5.350.3930.04020.41
5.5.340.0070.07018.11
5.5.330.0030.07020.25
5.5.320.0030.06720.25
5.5.310.0270.07720.30
5.5.300.0030.05018.01
5.5.290.0100.08017.94
5.5.280.0100.08020.89
5.5.270.0070.05720.84
5.5.260.0070.05320.79
5.5.250.0130.07720.69
5.5.240.0300.05720.18
5.4.450.4400.03719.20
5.4.440.3830.04019.28
5.4.430.3170.03719.50
5.4.420.3700.04019.19
5.4.410.3630.03719.42
5.4.400.4030.03318.96
5.4.390.3470.03019.10
5.4.380.4270.04019.09
5.4.370.3730.03318.95
5.4.360.3700.04719.23
5.4.350.3700.03718.87
5.4.340.3470.05018.88
5.4.320.3470.03018.99
5.4.310.3330.04019.16
5.4.300.3200.04018.85
5.4.290.3430.03719.22
5.4.280.3700.04018.85
5.4.270.3430.04019.20
5.4.260.3530.03319.00
5.4.250.3700.03319.06
5.4.240.3600.04018.87
5.4.230.3630.03718.94
5.4.220.3370.03719.22
5.4.210.3400.03719.24
5.4.200.3600.03719.16
5.4.190.3870.03719.08
5.4.180.3700.04018.86
5.4.170.3500.03719.23
5.4.160.3930.03718.92
5.4.150.4200.03719.18
5.4.140.4470.03316.36
5.4.130.3630.03316.28
5.4.120.3500.04016.35
5.4.110.3530.03016.63
5.4.100.3770.03716.18
5.4.90.3530.02716.37
5.4.80.3470.04016.50
5.4.70.3470.03316.55
5.4.60.3500.03016.38
5.4.50.4730.03716.44
5.4.40.3600.03316.55
5.4.30.3830.04016.23
5.4.20.3770.03016.39
5.4.10.3800.03016.48
5.4.00.4000.04315.75
5.3.290.3330.03714.58
5.3.280.3600.04314.61
5.3.270.3770.03714.61
5.3.260.3500.04014.82
5.3.250.3800.04314.66
5.3.240.4030.04314.53
5.3.230.3670.03014.60
5.3.220.3630.03314.55
5.3.210.3630.03714.58
5.3.200.3530.04014.73
5.3.190.3370.04014.54
5.3.180.3830.03714.47
5.3.170.3430.03314.68
5.3.160.4170.04014.47
5.3.150.3630.04014.49
5.3.140.3700.03314.68
5.3.130.3370.03714.54
5.3.120.3600.03714.66
5.3.110.3770.03714.52
5.3.100.3430.02714.03
5.3.90.3830.03714.25
5.3.80.3230.04013.95
5.3.70.3270.04313.93
5.3.60.3300.03314.02
5.3.50.3430.03313.88
5.3.40.3970.04013.95
5.3.30.3800.02713.82
5.3.20.3800.03013.70
5.3.10.4130.03713.66
5.3.00.3370.03713.72
5.2.170.3630.02311.23
5.2.160.3170.02311.37
5.2.150.2770.02711.31
5.2.140.3130.02311.12
5.2.130.3070.03011.33
5.2.120.3370.03011.01
5.2.110.3030.03011.02
5.2.100.2630.02711.01
5.2.90.2900.03011.01
5.2.80.3370.03311.25
5.2.70.3130.02711.17
5.2.60.3270.03011.17
5.2.50.3170.03311.14
5.2.40.2530.03311.09
5.2.30.2500.03010.97
5.2.20.2470.03010.83
5.2.10.2930.02710.94
5.2.00.2670.03010.77
5.1.60.2430.02010.00
5.1.50.2430.0209.93
5.1.40.2770.0279.95
5.1.30.2600.03010.26
5.1.20.2670.02710.37
5.1.10.2730.02710.30
5.1.00.2830.02010.05
5.0.50.1400.0208.48
5.0.40.1270.0208.40
5.0.30.1130.0338.14
5.0.20.1170.0208.19
5.0.10.0870.0138.17
5.0.00.1870.0238.29
4.4.90.1170.0136.10
4.4.80.1400.0206.10
4.4.70.1370.0206.10
4.4.60.1470.0136.10
4.4.50.1700.0176.10
4.4.40.1500.0276.10
4.4.30.1100.0176.10
4.4.20.1530.0206.10
4.4.10.1400.0176.10
4.4.00.1270.0306.10
4.3.110.1200.0076.10
4.3.100.1130.0136.10
4.3.90.1200.0176.10
4.3.80.1730.0236.10
4.3.70.1700.0136.10
4.3.60.1530.0136.10
4.3.50.1930.0176.10
4.3.40.1730.0276.10
4.3.30.0730.0176.10
4.3.20.0730.0176.10
4.3.10.0770.0176.10
4.3.00.0830.0206.10

preferences:
41.43 ms | 401 KiB | 5 Q