3v4l.org

run code in 300+ PHP versions simultaneously
<?php function daysInWeek($weekNum) { $result = array(); $datetime = new DateTime(); $datetime->setISODate((int)$datetime->format('o'), $weekNum, 1)->setTime(0, 0, 0); $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(52));

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)
8.3.70.0000.01618.81
8.3.60.0140.00718.45
8.3.50.0120.00721.21
8.3.40.0040.01518.85
8.3.30.0030.01020.20
8.3.20.0000.00720.33
8.3.10.0040.00422.00
8.3.00.0040.00422.45
8.2.190.0040.01116.63
8.2.180.0040.02018.26
8.2.170.0130.00322.96
8.2.160.0030.01020.53
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0090.00926.16
8.2.120.0030.00619.77
8.2.110.0090.00319.27
8.2.100.0000.01119.25
8.2.90.0000.00819.34
8.2.80.0040.00419.31
8.2.70.0050.00517.88
8.2.60.0030.00718.16
8.2.50.0000.00818.07
8.2.40.0040.00418.34
8.2.30.0000.00818.25
8.2.20.0040.00417.85
8.2.10.0030.00517.95
8.2.00.0030.00617.96
8.1.280.0150.00825.92
8.1.270.0060.00324.66
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0090.00019.15
8.1.230.0050.00719.01
8.1.220.0070.00717.74
8.1.210.0000.00818.77
8.1.200.0060.00317.60
8.1.190.0030.00617.63
8.1.180.0040.00420.05
8.1.170.0000.00818.54
8.1.160.0000.00722.16
8.1.150.0040.00418.86
8.1.140.0080.00017.67
8.1.130.0060.00617.92
8.1.120.0070.00017.75
8.1.110.0080.00017.57
8.1.100.0080.00017.70
8.1.90.0000.00717.57
8.1.80.0040.00417.68
8.1.70.0000.00717.63
8.1.60.0030.00517.68
8.1.50.0040.00417.64
8.1.40.0020.00517.56
8.1.30.0040.00417.73
8.1.20.0080.00017.70
8.1.10.0040.00417.72
8.1.00.0000.00817.77
8.0.300.0000.00718.77
8.0.290.0040.00417.18
8.0.280.0030.00318.46
8.0.270.0000.00817.36
8.0.260.0000.00717.06
8.0.250.0000.00717.17
8.0.240.0030.00617.18
8.0.230.0070.00017.23
8.0.220.0030.00617.16
8.0.210.0000.00717.04
8.0.200.0000.00717.06
8.0.190.0080.00017.18
8.0.180.0040.00417.18
8.0.170.0000.00817.15
8.0.160.0000.00817.17
8.0.150.0000.00717.08
8.0.140.0000.00717.13
8.0.130.0000.00613.48
8.0.120.0000.00816.97
8.0.110.0040.00417.04
8.0.100.0030.00316.96
8.0.90.0000.00717.00
8.0.80.0060.01517.07
8.0.70.0040.00417.08
8.0.60.0020.00516.93
8.0.50.0060.00317.02
8.0.30.0170.00717.47
8.0.20.0120.01017.40
8.0.10.0040.00417.04
8.0.00.0110.01016.86
7.4.330.0000.00515.00
7.4.320.0000.00616.60
7.4.300.0060.00016.57
7.4.290.0000.00716.73
7.4.280.0050.00316.78
7.4.270.0070.00016.75
7.4.260.0000.00716.75
7.4.250.0000.00816.64
7.4.240.0050.00216.68
7.4.230.0030.00316.68
7.4.220.0070.01016.81
7.4.210.0090.00716.72
7.4.200.0070.00016.53
7.4.190.0040.00416.92
7.4.160.0120.00616.85
7.4.150.0080.01217.40
7.4.140.0110.01117.86
7.4.130.0110.01116.85
7.4.120.0090.00916.68
7.4.110.0120.00616.88
7.4.100.0060.01716.60
7.4.90.0140.00716.83
7.4.80.0080.01119.39
7.4.70.0120.00616.68
7.4.60.0140.00316.64
7.4.50.0000.00716.73
7.4.40.0070.00722.77
7.4.30.0150.00416.94
7.4.00.0070.01015.28
7.3.330.0030.00313.32
7.3.320.0000.00613.54
7.3.310.0000.00816.52
7.3.300.0030.00316.38
7.3.290.0130.00316.37
7.3.280.0100.00516.41
7.3.270.0100.01017.40
7.3.260.0130.00716.76
7.3.250.0140.00916.69
7.3.240.0120.00616.78
7.3.230.0150.00416.66
7.3.210.0120.00916.71
7.3.200.0110.00719.39
7.3.190.0190.00516.48
7.3.180.0080.00816.62
7.3.170.0080.00816.68
7.3.160.0150.00416.55
7.3.120.0120.00314.97
7.2.330.0120.00616.80
7.2.320.0050.01516.62
7.2.310.0070.01016.64
7.2.300.0140.00316.57
7.2.290.0120.00617.13
7.2.60.0000.01416.93
7.2.00.0060.00619.64
7.1.200.0050.00515.71
7.1.100.0000.00818.12
7.1.70.0000.01117.37
7.1.60.0030.02119.21
7.1.50.0060.00617.06
7.1.00.0030.03322.31
7.0.200.0100.01015.04
7.0.140.0070.06722.04
7.0.60.0100.08320.07
7.0.50.0030.08317.96
7.0.40.0100.08720.21
7.0.30.0230.07320.20
7.0.20.0330.04720.16
7.0.10.0270.06320.24
7.0.00.0000.04320.20
5.6.210.0100.06320.75
5.6.200.0130.05018.29
5.6.190.0200.07020.41
5.6.180.0270.07020.67
5.6.170.0100.04720.50
5.6.160.0030.04320.45
5.6.150.0070.03718.28
5.6.140.0030.04718.28
5.6.130.0070.08718.21
5.6.120.0030.09020.90
5.6.110.0100.08721.09
5.6.100.0070.07020.96
5.6.90.0100.04720.99
5.6.80.0100.07020.39
5.6.70.0270.07020.29
5.5.350.0100.05020.47
5.5.340.0130.07017.96
5.5.330.0100.03720.14
5.5.320.0300.07720.38
5.5.310.0170.04320.19
5.5.300.0130.07717.95
5.5.290.0100.07717.97
5.5.280.0170.06720.77
5.5.270.0100.06020.84
5.5.260.0030.05320.76
5.5.250.0100.07320.66
5.5.240.0070.08020.07
5.4.450.0730.05719.31
5.4.440.0270.06019.47
5.4.430.0830.05019.61
5.4.420.0130.05719.34
5.4.410.0630.06019.57
5.4.400.0530.04318.84
5.4.390.0530.06318.73
5.4.380.0270.04718.61
5.4.370.0200.06018.84
5.4.360.0330.05318.49
5.4.350.0100.03212.02
5.4.340.0060.03712.02
5.4.320.0050.04012.50
5.4.310.0050.03912.50
5.4.300.0020.04212.50
5.4.290.0050.03812.50
5.4.280.0090.03212.40
5.4.270.0040.03912.40
5.4.260.0030.04912.40
5.4.250.0070.07318.75
5.4.240.0100.05018.95
5.4.230.0130.05018.81
5.4.220.0100.05318.84
5.4.210.0100.05018.79
5.4.200.0100.04718.94
5.4.190.0130.04718.98
5.4.180.0000.05718.99
5.4.170.0100.05018.99
5.4.160.0030.06018.88
5.4.150.0170.04318.95
5.4.140.0130.04016.50
5.4.130.0100.04316.25
5.4.120.0130.04316.35
5.4.110.0100.05016.52
5.4.100.0070.04716.59
5.4.90.0130.04016.33
5.4.80.0030.06716.34
5.4.70.0100.04716.32
5.4.60.0070.04716.55
5.4.50.0070.04716.38
5.4.40.0170.06016.54
5.4.30.0130.06316.38
5.4.20.0100.04716.46
5.4.10.0100.06016.50
5.4.00.0000.05315.81
5.3.290.0040.04312.80
5.3.280.0000.05314.73
5.3.270.0100.07714.63
5.3.260.0000.06014.77
5.3.250.0000.05314.69
5.3.240.0030.05314.61
5.3.230.0000.05714.58
5.3.220.0030.05314.70
5.3.210.0100.06314.63
5.3.200.0070.05314.64
5.3.190.0030.07714.63
5.3.180.0100.05014.67
5.3.170.0100.07014.74
5.3.160.0100.04714.63
5.3.150.0070.04714.64
5.3.140.0170.04014.39
5.3.130.0070.05314.63
5.3.120.0070.05314.77
5.3.110.0130.05314.71
5.3.100.0000.05714.12
5.3.90.0070.05014.11
5.3.80.0030.06314.00
5.3.70.0070.05714.04
5.3.60.0100.04713.97
5.3.50.0100.06713.95
5.3.40.0130.06314.04
5.3.30.0100.04313.91
5.3.20.0030.06013.70
5.3.10.0200.03713.73
5.3.00.0100.05713.87
5.2.170.0070.04011.10
5.2.160.0030.04010.98
5.2.150.0070.05010.98
5.2.140.0000.04711.06
5.2.130.0000.04311.19
5.2.120.0030.04011.27
5.2.110.0070.04011.18
5.2.100.0100.03311.07
5.2.90.0030.05711.17
5.2.80.0100.04011.25
5.2.70.0070.03711.05
5.2.60.0100.04010.96
5.2.50.0100.04011.20
5.2.40.0070.04010.83
5.2.30.0030.05010.97
5.2.20.0000.04311.17
5.2.10.0000.05310.94
5.2.00.0030.04310.79
5.1.60.0030.0479.99
5.1.50.0070.03010.24
5.1.40.0030.0339.95
5.1.30.0030.03710.16
5.1.20.0070.03010.30
5.1.10.0130.03310.06
5.1.00.0030.03710.04
5.0.50.0000.0338.69
5.0.40.0030.0308.69
5.0.30.0000.0438.69
5.0.20.0000.0278.69
5.0.10.0030.0278.69
5.0.00.0000.0438.69
4.4.90.0000.0238.70
4.4.80.0030.0208.70
4.4.70.0070.0178.70
4.4.60.0000.0238.70
4.4.50.0000.0238.70
4.4.40.0030.0338.69
4.4.30.0170.0108.69
4.4.20.0000.0238.69
4.4.10.0130.0208.69
4.4.00.0070.0308.69
4.3.110.0000.0208.69
4.3.100.0030.0178.69
4.3.90.0030.0178.69
4.3.80.0000.0338.69
4.3.70.0000.0208.69
4.3.60.0000.0208.69
4.3.50.0070.0178.69
4.3.40.0000.0338.69
4.3.30.0000.0238.69
4.3.20.0030.0208.69
4.3.10.0000.0238.69
4.3.00.0030.0236.17

preferences:
39.46 ms | 401 KiB | 5 Q