3v4l.org

run code in 300+ PHP versions simultaneously
<?php $thisWeek = new DateTime('@1408706174'); // get the day of the week, Monday = 0, Sunday = 6 $dayOfWeek = ((int)$thisWeek->format('N'))-1; $thisWeek->setTime(0,0,0); // subtract the day of the week to get Monday of this week $thisWeek->modify("-$dayOfWeek days"); // get the timestamp $monday = $thisWeek->format('U'); var_dump($monday);

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)
8.3.60.0070.00716.86
8.3.50.0130.00422.89
8.3.40.0110.00318.83
8.3.30.0100.01019.04
8.3.20.0070.00020.18
8.3.10.0000.00723.52
8.3.00.0080.00017.63
8.2.180.0120.00416.75
8.2.170.0120.00322.96
8.2.160.0110.01120.39
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0070.00021.08
8.2.110.0040.00420.31
8.2.100.0040.00718.09
8.2.90.0080.00019.25
8.2.80.0060.00317.97
8.2.70.0040.00417.88
8.2.60.0040.00418.16
8.2.50.0030.00518.07
8.2.40.0030.00718.10
8.2.30.0040.00818.29
8.2.20.0030.00618.00
8.2.10.0000.00818.17
8.2.00.0000.00717.81
8.1.280.0090.00625.92
8.1.270.0040.00423.91
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0080.00022.33
8.1.230.0080.00318.95
8.1.220.0000.00817.79
8.1.210.0000.00918.77
8.1.200.0090.00017.48
8.1.190.0040.00417.48
8.1.180.0040.00418.10
8.1.170.0060.00320.41
8.1.160.0040.00422.07
8.1.150.0060.00318.87
8.1.140.0040.00417.55
8.1.130.0000.00718.00
8.1.120.0030.00317.63
8.1.110.0040.00417.66
8.1.100.0000.00717.64
8.1.90.0050.00217.72
8.1.80.0000.00717.63
8.1.70.0030.00317.65
8.1.60.0050.00317.72
8.1.50.0050.00317.67
8.1.40.0030.00617.61
8.1.30.0080.00017.72
8.1.20.0020.00517.73
8.1.10.0000.00717.78
8.1.00.0030.00617.73
8.0.300.0060.00318.77
8.0.290.0040.00416.88
8.0.280.0040.00418.58
8.0.270.0030.00317.31
8.0.260.0000.00617.30
8.0.250.0030.00317.13
8.0.240.0050.00317.11
8.0.230.0050.00217.18
8.0.220.0070.00017.17
8.0.210.0060.00317.06
8.0.200.0030.00317.18
8.0.190.0070.00017.24
8.0.180.0040.00417.09
8.0.170.0040.00417.14
8.0.160.0050.00317.07
8.0.150.0060.00317.16
8.0.140.0040.00417.16
8.0.130.0000.00513.53
8.0.120.0050.00317.11
8.0.110.0000.00717.15
8.0.100.0040.00417.05
8.0.90.0040.00416.95
8.0.80.0040.01217.18
8.0.70.0080.00017.10
8.0.60.0060.00317.15
8.0.50.0000.00717.02
8.0.30.0110.01117.27
8.0.20.0080.01017.42
8.0.10.0000.00817.29
8.0.00.0090.00916.94
7.4.330.0060.00015.05
7.4.320.0060.00016.70
7.4.300.0060.00016.71
7.4.290.0050.00216.62
7.4.280.0030.00616.81
7.4.270.0000.00716.82
7.4.260.0000.00816.74
7.4.250.0040.00416.66
7.4.240.0070.00016.71
7.4.230.0070.00016.64
7.4.220.0090.01216.83
7.4.210.0100.00316.80
7.4.200.0040.00416.59
7.4.160.0040.01216.60
7.4.150.0070.01117.40
7.4.140.0090.01017.86
7.4.130.0090.00816.86
7.4.120.0090.01016.80
7.4.110.0060.01216.81
7.4.100.0090.00916.70
7.4.90.0100.01416.87
7.4.80.0090.00919.39
7.4.70.0170.00016.62
7.4.60.0090.00916.72
7.4.50.0040.00416.35
7.4.40.0090.00716.84
7.4.30.0100.00716.78
7.4.00.0040.01115.32
7.3.330.0000.00813.34
7.3.320.0050.00013.18
7.3.310.0000.00716.41
7.3.300.0000.00716.48
7.3.290.0100.01016.57
7.3.280.0100.00516.45
7.3.270.0090.00817.40
7.3.260.0080.00816.72
7.3.250.0150.00616.63
7.3.240.0170.00316.56
7.3.230.0040.01516.54
7.3.210.0030.01416.83
7.3.200.0070.01019.39
7.3.190.0100.01016.58
7.3.180.0130.00716.38
7.3.170.0120.00916.84
7.3.160.0100.00716.75
7.2.330.0030.01416.56
7.2.320.0000.02216.75
7.2.310.0060.01116.75
7.2.300.0120.00916.95
7.2.290.0060.01116.89
7.2.60.0040.00417.20
7.1.200.0030.01015.84
7.1.70.0050.00517.48
7.1.60.0100.01319.40
7.1.50.0070.01817.08
7.1.00.0070.07322.28
7.0.200.0000.00716.73
7.0.140.0030.07322.10
7.0.60.0070.08019.93
7.0.50.0100.08017.90
7.0.40.0030.04720.06
7.0.30.0270.04320.01
7.0.20.0300.05020.20
7.0.10.0030.05720.20
7.0.00.0070.07020.33
5.6.280.0070.07020.92
5.6.210.0070.06320.76
5.6.200.0070.07018.12
5.6.190.0130.05720.43
5.6.180.0270.08320.42
5.6.170.0270.04720.51
5.6.160.0100.08020.40
5.6.150.0030.08718.15
5.6.140.0100.06018.18
5.6.130.0100.07018.15
5.6.120.0130.07721.03
5.6.110.0130.07720.98
5.6.100.0100.08021.11
5.6.90.0100.07721.16
5.6.80.0070.07320.53
5.5.350.0000.09020.43
5.5.340.0000.04018.01
5.5.330.0070.04020.41
5.5.320.0170.04320.27
5.5.310.0200.04720.17
5.5.300.0070.06018.01
5.5.290.0100.05317.95
5.5.280.0100.04020.88
5.5.270.0070.07720.72
5.5.260.0130.05020.83
5.5.250.0100.06020.79
5.5.240.0200.07720.28
5.4.450.0330.05019.12
5.4.440.0270.04019.11
5.4.430.0270.04319.45
5.4.420.0230.05319.38
5.4.410.0100.04319.13
5.4.400.0070.05018.81
5.4.390.0800.04719.21
5.4.380.0330.05318.69
5.4.370.0530.06718.71
5.4.360.0330.05018.66
5.4.350.0330.07318.49
5.4.340.0400.05318.75
5.4.320.0050.03712.46
5.4.310.0080.03612.45
5.4.300.0020.04012.45
5.4.290.0060.03712.45
5.4.280.0040.03712.35
5.4.270.0080.03412.35
5.4.260.0070.04312.35
5.4.250.0040.04412.35
5.4.240.0080.03512.35
5.4.230.0040.04112.34
5.4.220.0070.03712.34
5.4.210.0070.03312.34
5.4.200.0110.03912.34
5.4.190.0050.03712.34
5.4.180.0080.03412.34
5.4.170.0060.03612.35
5.4.160.0090.03312.35
5.4.150.0060.03612.34
5.4.140.0040.03812.02
5.4.130.0060.03612.02
5.4.120.0040.03711.97
5.4.110.0030.03811.97
5.4.100.0050.03611.97
5.4.90.0060.03611.97
5.4.80.0050.03711.97
5.4.70.0080.03311.96
5.4.60.0040.03611.96
5.4.50.0060.03711.96
5.4.40.0060.03411.95
5.4.30.0040.03811.95
5.4.20.0070.03711.95
5.4.10.0090.04111.95
5.4.00.0060.03911.43
5.3.290.0070.03812.80
5.3.280.0050.03912.71
5.3.270.0050.03912.73
5.3.260.0020.04312.72
5.3.250.0060.03712.72
5.3.240.0080.03612.72
5.3.230.0100.03412.71
5.3.220.0060.03612.68
5.3.210.0040.04012.68
5.3.200.0030.03912.68
5.3.190.0020.04112.68
5.3.180.0070.03512.68
5.3.170.0060.03612.67
5.3.160.0040.03812.67
5.3.150.0070.03612.67
5.3.140.0050.03812.66
5.3.130.0080.03812.65
5.3.120.0070.04112.65
5.3.110.0080.03712.66
5.3.100.0050.03812.12
5.3.90.0060.03512.08
5.3.80.0090.03312.07
5.3.70.0050.03812.07
5.3.60.0070.03512.07
5.3.50.0030.03912.00
5.3.40.0050.03712.00
5.3.30.0060.04111.95
5.3.20.0080.03211.73
5.3.10.0070.03311.69
5.3.00.0090.03311.68
5.2.170.0030.0329.18
5.2.160.0080.0319.18
5.2.150.0050.0309.18
5.2.140.0050.0309.18
5.2.130.0040.0309.14
5.2.120.0030.0309.14
5.2.110.0030.0319.14
5.2.100.0070.0269.14
5.2.90.0060.0279.14
5.2.80.0040.0319.14
5.2.70.0020.0329.14
5.2.60.0040.0309.09
5.2.50.0050.0299.06
5.2.40.0010.0329.04
5.2.30.0050.0299.01
5.2.20.0020.0319.00
5.2.10.0050.0278.94
5.2.00.0050.0298.80
5.1.60.0030.0258.07
5.1.50.0040.0258.06
5.1.40.0040.0248.05
5.1.30.0040.0278.40
5.1.20.0060.0298.42
5.1.10.0030.0288.14
5.1.00.0050.0248.14
5.0.50.0040.0206.62
5.0.40.0020.0206.48
5.0.30.0020.0326.29
5.0.20.0040.0196.27
5.0.10.0030.0206.24
5.0.00.0040.0296.23
4.4.90.0040.0144.78
4.4.80.0040.0154.75
4.4.70.0020.0164.75
4.4.60.0020.0164.75
4.4.50.0040.0144.77
4.4.40.0060.0224.71
4.4.30.0040.0144.76
4.4.20.0010.0174.84
4.4.10.0010.0174.85
4.4.00.0020.0254.76
4.3.110.0020.0154.67
4.3.100.0030.0154.66
4.3.90.0030.0144.63
4.3.80.0060.0254.58
4.3.70.0040.0174.63
4.3.60.0020.0154.63
4.3.50.0020.0174.63
4.3.40.0030.0254.54
4.3.30.0020.0163.28
4.3.20.0040.0143.26
4.3.10.0040.0143.22
4.3.00.0070.01015.96

preferences:
35.36 ms | 401 KiB | 5 Q