3v4l.org

run code in 300+ PHP versions simultaneously
<?php $week_start = new DateTime(); $week_start->setISODate(Y,$week_no); echo $week_start->format('d-M-Y');

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)
8.3.40.0120.00618.89
8.3.30.0070.01019.10
8.3.20.0050.00220.34
8.3.10.0050.00323.71
8.3.00.0080.00019.63
8.2.170.0040.01122.96
8.2.160.0040.01120.37
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0030.00617.63
8.2.120.0040.00426.35
8.2.110.0000.00921.02
8.2.100.0040.00717.88
8.2.90.0050.00319.18
8.2.80.0040.00417.97
8.2.70.0040.00417.61
8.2.60.0030.00617.79
8.2.50.0000.00818.07
8.2.40.0070.00019.38
8.2.30.0040.00420.63
8.2.20.0080.00017.93
8.2.10.0070.00018.16
8.2.00.0000.00818.00
8.1.270.0030.00623.84
8.1.260.0040.00828.09
8.1.250.0000.00728.09
8.1.240.0060.00322.75
8.1.230.0120.00017.61
8.1.220.0000.00817.79
8.1.210.0000.00918.77
8.1.200.0040.00417.38
8.1.190.0000.00817.35
8.1.180.0030.00618.10
8.1.170.0040.00418.48
8.1.160.0040.00421.91
8.1.150.0030.00518.88
8.1.140.0030.00519.55
8.1.130.0030.00317.81
8.1.120.0040.00417.65
8.1.110.0040.00417.61
8.1.100.0040.00317.69
8.1.90.0000.00817.53
8.1.80.0000.00717.54
8.1.70.0040.00417.45
8.1.60.0050.00217.63
8.1.50.0000.00917.68
8.1.40.0030.00617.52
8.1.30.0050.00317.68
8.1.20.0040.00417.75
8.1.10.0040.00417.71
8.1.00.0060.00317.60
8.0.300.0040.00418.77
8.0.290.0040.00417.13
8.0.280.0050.00318.42
8.0.270.0030.00317.30
8.0.260.0030.00617.24
8.0.250.0000.00617.08
8.0.240.0070.00017.10
8.0.230.0030.00317.17
8.0.220.0030.00617.16
8.0.210.0030.00517.08
8.0.200.0030.00317.20
8.0.190.0000.00717.20
8.0.180.0030.00617.05
8.0.170.0030.00617.23
8.0.160.0000.00817.15
8.0.150.0000.01017.04
8.0.140.0000.00817.08
8.0.130.0060.00013.52
8.0.120.0000.00816.99
8.0.110.0050.00217.15
8.0.100.0070.00017.20
8.0.90.0070.00017.18
8.0.80.0130.00317.10
8.0.70.0000.00817.08
8.0.60.0040.00417.09
8.0.50.0000.00717.05
8.0.30.0090.00917.24
8.0.20.0090.01317.45
8.0.10.0040.00417.23
8.0.00.0130.00816.96
7.4.330.0020.00216.70
7.4.320.0040.00416.64
7.4.300.0030.00316.70
7.4.290.0030.00516.64
7.4.280.0040.00416.76
7.4.270.0070.00016.73
7.4.260.0030.00316.52
7.4.250.0000.00716.73
7.4.240.0020.00516.63
7.4.230.0000.00716.75
7.4.220.0030.02316.62
7.4.210.0050.00916.70
7.4.200.0030.00316.46
7.4.160.0050.01016.73
7.4.150.0090.00917.40
7.4.140.0090.01217.86
7.4.130.0160.00116.65
7.4.120.0080.01016.62
7.4.110.0120.01216.71
7.4.100.0160.00316.50
7.4.90.0140.00316.66
7.4.80.0130.00719.39
7.4.70.0100.00716.72
7.4.60.0100.01016.59
7.4.50.0030.01016.61
7.4.40.0090.00916.65
7.4.30.0100.00716.45
7.4.00.0040.01415.40
7.3.330.0030.00313.07
7.3.320.0030.00513.11
7.3.310.0000.00716.33
7.3.300.0040.00416.19
7.3.290.0070.00016.34
7.3.280.0100.00916.36
7.3.270.0150.00317.40
7.3.260.0080.00916.53
7.3.250.0050.01116.43
7.3.240.0140.00516.49
7.3.230.0120.00616.55
7.3.210.0150.00616.66
7.3.200.0070.01116.45
7.3.190.0070.01016.48
7.3.180.0100.00716.43
7.3.170.0100.01016.29
7.3.160.0000.02116.57
7.3.10.0110.00216.66
7.3.00.0080.00616.74
7.2.330.0100.00716.68
7.2.320.0070.01616.86
7.2.310.0080.00816.68
7.2.300.0090.00616.93
7.2.290.0150.00316.90
7.2.130.0140.00317.06
7.2.120.0020.01016.73
7.2.110.0110.00616.96
7.2.100.0130.00716.94
7.2.90.0090.00917.01
7.2.80.0120.00616.75
7.2.70.0170.00317.01
7.2.60.0090.00916.84
7.2.50.0090.00816.99
7.2.40.0110.00716.99
7.2.30.0110.00417.09
7.2.20.0090.00717.11
7.2.10.0090.00916.88
7.2.00.0030.01017.85
7.1.250.0060.00715.72
7.1.200.0030.00316.01
7.1.100.0080.00018.32
7.1.70.0000.01117.32
7.1.60.0060.01919.36
7.1.50.0060.01616.98
7.1.00.0000.08022.33
7.0.200.0040.00417.04
7.0.60.0130.08020.06
7.0.50.0030.04017.67
7.0.40.0030.09020.27
7.0.30.0430.04720.02
7.0.20.0230.05020.24
7.0.10.0170.07719.99
7.0.00.0030.09020.17
5.6.280.0030.04720.99
5.6.210.0070.03720.63
5.6.200.0070.04018.22
5.6.190.0000.05320.63
5.6.180.0370.07320.33
5.6.170.0200.08320.57
5.6.160.0100.07320.40
5.6.150.0100.08018.14
5.6.140.0030.08718.15
5.6.130.0070.06018.11
5.6.120.0100.03721.13
5.6.110.0070.08321.00
5.6.100.0100.08021.10
5.6.90.0030.07720.93
5.6.80.0300.06320.45
5.5.350.0270.07720.52
5.5.340.0100.04017.89
5.5.330.0070.08720.36
5.5.320.0230.08020.50
5.5.310.0200.08320.27
5.5.300.0030.08317.98
5.5.290.0070.04017.87
5.5.280.0100.08020.88
5.5.270.0030.04720.72
5.5.260.0100.08320.86
5.5.250.0000.09020.54
5.5.240.0230.07720.12

preferences:
49.45 ms | 400 KiB | 5 Q