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(28));

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)
8.3.60.0110.00717.00
8.3.50.0100.00722.20
8.3.40.0070.00719.14
8.3.30.0110.00718.93
8.3.20.0000.00820.38
8.3.10.0080.00023.65
8.3.00.0080.00020.95
8.2.180.0090.00618.66
8.2.170.0140.00522.96
8.2.160.0070.00720.32
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0080.00020.77
8.2.110.0100.00720.32
8.2.100.0000.01118.03
8.2.90.0040.00419.20
8.2.80.0030.00517.97
8.2.70.0080.00017.88
8.2.60.0030.00717.80
8.2.50.0000.00918.07
8.2.40.0080.00019.95
8.2.30.0030.00718.27
8.2.20.0040.00417.86
8.2.10.0000.00718.20
8.2.00.0000.00717.82
8.1.280.0120.00325.92
8.1.270.0070.00323.82
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00623.96
8.1.230.0060.00619.10
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.61
8.1.190.0050.00317.48
8.1.180.0040.00418.10
8.1.170.0000.00818.77
8.1.160.0040.00422.03
8.1.150.0000.00818.85
8.1.140.0040.00417.64
8.1.130.0070.00017.94
8.1.120.0040.00417.56
8.1.110.0040.00417.54
8.1.100.0040.00417.54
8.1.90.0030.00617.70
8.1.80.0000.00817.70
8.1.70.0000.00717.64
8.1.60.0000.00917.75
8.1.50.0000.00817.68
8.1.40.0090.00017.62
8.1.30.0060.00317.70
8.1.20.0040.00417.83
8.1.10.0030.00517.75
8.1.00.0040.00417.60
8.0.300.0040.00419.21
8.0.290.0040.00416.75
8.0.280.0030.00318.48
8.0.270.0080.00017.34
8.0.260.0030.00317.25
8.0.250.0070.00017.06
8.0.240.0000.00717.04
8.0.230.0070.00017.08
8.0.220.0000.00716.97
8.0.210.0000.00717.09
8.0.200.0070.00017.13
8.0.190.0050.00317.14
8.0.180.0070.00017.11
8.0.170.0070.00017.00
8.0.160.0000.00817.14
8.0.150.0040.00716.93
8.0.140.0040.00417.07
8.0.130.0030.00313.52
8.0.120.0070.00017.09
8.0.110.0040.00416.99
8.0.100.0040.00416.91
8.0.90.0070.00016.99
8.0.80.0130.00317.04
8.0.70.0040.00417.07
8.0.60.0050.00316.97
8.0.50.0000.00816.91
8.0.30.0130.00617.26
8.0.20.0080.01217.40
8.0.10.0040.00417.04
8.0.00.0080.01016.94
7.4.330.0030.00215.21
7.4.320.0030.00316.78
7.4.300.0030.00316.57
7.4.290.0040.00416.68
7.4.280.0000.00816.78
7.4.270.0000.00716.63
7.4.260.0070.00416.53
7.4.250.0040.00416.73
7.4.240.0040.00416.71
7.4.230.0000.00716.80
7.4.220.0090.01216.56
7.4.210.0060.01016.75
7.4.200.0070.00016.62
7.4.160.0090.00616.59
7.4.150.0100.00717.40
7.4.140.0090.00817.86
7.4.130.0090.00916.71
7.4.120.0070.01216.71
7.4.110.0070.01316.73
7.4.100.0070.01116.57
7.4.90.0070.01016.79
7.4.80.0030.01619.39
7.4.70.0100.00716.49
7.4.60.0070.01116.71
7.4.50.0050.00216.80
7.4.40.0110.00616.78
7.4.30.0050.01116.79
7.4.00.0040.01114.88
7.3.330.0050.00013.26
7.3.320.0000.00713.23
7.3.310.0080.00016.50
7.3.300.0030.00316.21
7.3.290.0060.01516.42
7.3.280.0120.00816.45
7.3.270.0050.01117.40
7.3.260.0150.01116.55
7.3.250.0070.01016.58
7.3.240.0190.00316.68
7.3.230.0070.01016.66
7.3.210.0060.01316.67
7.3.200.0060.01219.39
7.3.190.0040.01516.69
7.3.180.0030.01216.84
7.3.170.0000.01616.75
7.3.160.0070.01416.49
7.3.120.0060.00915.30
7.2.330.0100.00716.97
7.2.320.0140.00316.95
7.2.310.0100.00716.69
7.2.300.0060.01116.77
7.2.290.0180.00616.81
7.2.60.0040.01117.11
7.2.00.0030.01019.41
7.1.200.0070.00715.87
7.1.100.0040.01117.92
7.1.70.0000.01017.30
7.1.60.0170.00319.70
7.1.50.0220.01434.86
7.1.00.0070.07322.36
7.0.200.0000.00816.89
7.0.140.0000.07321.93
7.0.60.0030.08319.94
7.0.50.0130.07317.89
7.0.40.0130.08020.32
7.0.30.0230.05720.28
7.0.20.0170.05720.15
7.0.10.0130.08020.20
7.0.00.0100.08020.23
5.6.280.0070.07021.07
5.6.210.0070.08320.71
5.6.200.0000.04318.29
5.6.190.0030.04320.52
5.6.180.3630.03720.55
5.6.170.0230.04320.44
5.6.160.0000.06020.45
5.6.150.0070.03718.22
5.6.140.0070.04318.14
5.6.130.0100.06018.34
5.6.120.0100.03721.01
5.6.110.0100.05020.95
5.6.100.0100.07020.97
5.6.90.0130.04321.13
5.6.80.0030.04320.29
5.6.70.4670.03020.42
5.5.350.0270.08020.47
5.5.340.0130.07718.07
5.5.330.0170.07720.19
5.5.320.3670.03720.38
5.5.310.0230.04020.26
5.5.300.0130.03017.94
5.5.290.0070.03717.98
5.5.280.0100.08320.77
5.5.270.0130.07720.66
5.5.260.0070.08320.77
5.5.250.0100.07720.70
5.5.240.0270.07020.26
5.4.450.0170.05029.93
5.4.440.0630.03329.93
5.4.430.0230.04729.48
5.4.420.0430.04028.86
5.4.410.0330.04328.29
5.4.400.0400.04028.29
5.4.390.0500.03328.29
5.4.380.0130.05718.59
5.4.370.0100.06018.75
5.4.360.0100.06018.72
5.4.350.0130.06018.75
5.4.340.0130.05318.46
5.4.320.0060.03612.51
5.4.310.0030.05012.50
5.4.300.0060.03712.50
5.4.290.0100.03612.50
5.4.280.0080.03412.39
5.4.270.0060.03712.40
5.4.260.0060.04012.40
5.4.250.0070.03912.40
5.4.240.0060.03812.40
5.4.230.0070.04712.39
5.4.220.0050.03912.39
5.4.210.0070.03612.39
5.4.200.0070.03812.39
5.4.190.0080.03412.38
5.4.180.0080.03412.38
5.4.170.0070.03612.39
5.4.160.0080.03412.39
5.4.150.0040.04212.39
5.4.140.0060.04012.07
5.4.130.0050.03612.06
5.4.120.0070.03512.01
5.4.110.0050.03712.01
5.4.100.0060.03812.01
5.4.90.0070.04312.01
5.4.80.0070.03812.01
5.4.70.0080.03412.01
5.4.60.0050.03512.01
5.4.50.0060.03612.01
5.4.40.0030.03812.00
5.4.30.0040.03712.00
5.4.20.0050.03611.99
5.4.10.0070.03512.00
5.4.00.0030.04011.48
5.3.290.0100.04612.80
5.3.280.0060.04112.71
5.3.270.0040.04212.72
5.3.260.0100.03612.72
5.3.250.0090.03512.72
5.3.240.0070.03712.72
5.3.230.0120.03312.71
5.3.220.0040.04012.68
5.3.210.0040.04112.68
5.3.200.0090.03312.68
5.3.190.0060.03812.68
5.3.180.0050.03912.67
5.3.170.0020.04212.67
5.3.160.0090.03312.68
5.3.150.0080.03512.67
5.3.140.0040.03812.66
5.3.130.0070.04012.65
5.3.120.0040.04112.66
5.3.110.0040.04412.66
5.3.100.0060.03812.12
5.3.90.0060.03912.11
5.3.80.0080.04012.09
5.3.70.0070.03612.09
5.3.60.0050.03812.08
5.3.50.0030.04012.02
5.3.40.0050.03712.02
5.3.30.0080.03811.98
5.3.20.0070.03611.76
5.3.10.0030.03811.73
5.3.00.0080.03711.72
5.2.170.0050.0389.22
5.2.160.0070.0299.22
5.2.150.0040.0329.22
5.2.140.0050.0319.21
5.2.130.0080.0319.18
5.2.120.0090.0319.18
5.2.110.0080.0319.18
5.2.100.0040.0329.18
5.2.90.0060.0299.18
5.2.80.0100.0269.18
5.2.70.0050.0319.18
5.2.60.0060.0339.14
5.2.50.0060.0289.10
5.2.40.0080.0259.08
5.2.30.0060.0289.05
5.2.20.0090.0239.04
5.2.10.0090.0248.95
5.2.00.0100.0258.80
5.1.60.0040.0248.09
5.1.50.0050.0258.09
5.1.40.0040.0348.07
5.1.30.0050.0358.42
5.1.20.0060.0328.44
5.1.10.0050.0268.16
5.1.00.0050.0258.17
5.0.50.0020.0226.65
5.0.40.0060.0186.51
5.0.30.0040.0306.32
5.0.20.0010.0226.29
5.0.10.0010.0226.27
5.0.00.0030.0316.26
4.4.90.0020.0164.78
4.4.80.0040.0144.76
4.4.70.0020.0164.76
4.4.60.0020.0164.75
4.4.50.0020.0164.77
4.4.40.0020.0264.71
4.4.30.0020.0164.76
4.4.20.0030.0164.84
4.4.10.0020.0174.85
4.4.00.0020.0264.76
4.3.110.0030.0164.67
4.3.100.0010.0164.67
4.3.90.0030.0154.64
4.3.80.0020.0254.58
4.3.70.0030.0164.63
4.3.60.0010.0174.63
4.3.50.0040.0164.62
4.3.40.0050.0234.54
4.3.30.0030.0213.30
4.3.20.0040.0153.28
4.3.10.0010.0173.24
4.3.00.0100.02028.29

preferences:
41.53 ms | 401 KiB | 5 Q