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, $interval, 7); foreach($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(53));

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)
8.3.60.0090.00616.73
8.3.50.0070.01622.10
8.3.40.0150.00019.04
8.3.30.0110.00419.36
8.3.20.0040.00420.21
8.3.10.0050.00321.76
8.3.00.0000.00819.50
8.2.180.0070.01118.54
8.2.170.0170.00322.96
8.2.160.0030.01322.21
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.89
8.2.110.0090.00919.27
8.2.100.0060.00617.75
8.2.90.0080.00019.34
8.2.80.0040.00417.97
8.2.70.0050.00317.88
8.2.60.0040.00418.05
8.2.50.0130.00018.07
8.2.40.0030.00620.13
8.2.30.0070.00018.20
8.2.20.0040.00418.02
8.2.10.0040.00418.08
8.2.00.0060.00317.88
8.1.280.0070.01525.92
8.1.270.0000.00820.65
8.1.260.0120.00326.35
8.1.250.0090.00028.09
8.1.240.0030.00622.66
8.1.230.0080.00320.50
8.1.220.0030.00517.80
8.1.210.0050.00318.77
8.1.200.0030.00717.47
8.1.190.0000.00817.34
8.1.180.0040.00418.10
8.1.170.0080.00020.55
8.1.160.0050.00322.08
8.1.150.0070.00018.84
8.1.140.0060.00317.65
8.1.130.0000.00717.86
8.1.120.0020.00517.55
8.1.110.0030.00517.67
8.1.100.0030.00517.61
8.1.90.0040.00417.68
8.1.80.0040.00417.66
8.1.70.0040.00417.65
8.1.60.0040.00417.75
8.1.50.0050.00317.57
8.1.40.0030.00617.57
8.1.30.0090.00017.71
8.1.20.0040.00417.81
8.1.10.0030.00617.67
8.1.00.0070.00417.64
8.0.300.0000.00718.77
8.0.290.0060.00316.75
8.0.280.0000.00718.45
8.0.270.0040.00417.21
8.0.260.0000.00617.38
8.0.250.0000.00717.19
8.0.240.0070.00017.05
8.0.230.0040.00417.07
8.0.220.0070.00016.97
8.0.210.0050.00317.14
8.0.200.0030.00317.05
8.0.190.0040.00417.17
8.0.180.0040.00417.12
8.0.170.0060.00317.05
8.0.160.0000.00717.02
8.0.150.0040.00416.95
8.0.140.0050.00217.02
8.0.130.0050.00213.57
8.0.120.0030.00517.05
8.0.110.0030.00617.00
8.0.100.0040.00416.96
8.0.90.0050.00216.99
8.0.80.0070.01016.98
8.0.70.0030.00516.92
8.0.60.0080.00017.17
8.0.50.0040.00417.00
8.0.30.0180.00917.16
8.0.20.0150.01017.46
8.0.10.0040.00417.18
8.0.00.0100.01216.80
7.4.330.0000.00515.09
7.4.320.0000.00716.73
7.4.300.0000.01116.59
7.4.290.0040.00416.73
7.4.280.0050.00316.78
7.4.270.0000.00716.68
7.4.260.0030.00616.61
7.4.250.0070.00016.52
7.4.240.0020.00616.70
7.4.230.0000.00716.73
7.4.220.0030.01516.64
7.4.210.0120.00316.57
7.4.200.0030.00316.45
7.4.160.0070.01016.75
7.4.150.0150.02917.40
7.4.140.0140.00917.86
7.4.130.0050.01316.71
7.4.120.0070.01216.72
7.4.110.0160.00316.75
7.4.100.0110.00816.82
7.4.90.0100.01016.70
7.4.80.0100.00619.39
7.4.70.0070.01716.68
7.4.60.0090.00616.71
7.4.50.0040.00416.93
7.4.40.0100.00816.77
7.4.30.0150.00916.60
7.4.00.0070.01015.19
7.3.330.0000.00613.45
7.3.320.0150.00013.39
7.3.310.0070.00016.26
7.3.300.0040.00416.41
7.3.290.0040.01016.47
7.3.280.0070.00916.44
7.3.270.0130.00617.40
7.3.260.0040.01216.38
7.3.250.0080.01216.64
7.3.240.0080.01016.73
7.3.230.0160.00316.62
7.3.210.0150.00616.63
7.3.200.0150.01019.39
7.3.190.0110.00716.86
7.3.180.0070.01116.58
7.3.170.0190.01416.69
7.3.160.0070.01116.63
7.3.00.0040.01116.76
7.2.330.0070.01116.92
7.2.320.0060.01616.91
7.2.310.0130.00416.86
7.2.300.0070.01116.83
7.2.290.0120.00616.81
7.2.130.0120.00617.12
7.2.120.0030.01417.12
7.2.110.0030.00917.11
7.2.100.0090.00317.26
7.2.90.0040.01116.86
7.2.80.0090.00316.95
7.2.70.0190.00816.18
7.2.60.0130.01016.31
7.2.50.0150.01016.31
7.2.40.0170.01216.18
7.2.30.0250.00715.98
7.2.20.0190.00616.19
7.2.10.0220.00716.12
7.2.00.0170.00817.34
7.1.250.0060.00715.98
7.1.240.0080.00415.76
7.1.230.0070.00715.81
7.1.220.0030.00916.04
7.1.210.0100.00315.97
7.1.200.0080.00515.71
7.1.190.0040.00715.92
7.1.180.0100.00715.79
7.1.170.0180.01014.79
7.1.160.0190.00214.91
7.1.150.0490.00815.06
7.1.140.0110.01214.91
7.1.130.0170.00614.82
7.1.120.0170.00614.97
7.1.110.0200.00615.00
7.1.100.0100.00816.10
7.1.90.0190.00715.07
7.1.80.0190.00714.96
7.1.70.0110.00715.65
7.1.60.0210.01222.58
7.1.50.0240.01027.50
7.1.40.0240.01024.04
7.1.30.0250.00823.98
7.1.20.0230.00823.86
7.1.10.0180.00514.96
7.1.00.0120.03117.53
7.0.330.0080.00415.47
7.0.320.0000.00815.51
7.0.310.0040.00715.46
7.0.300.0200.00714.56
7.0.290.0220.00314.56
7.0.280.0000.01115.24
7.0.270.0220.00514.67
7.0.260.0190.00514.75
7.0.250.0230.00514.56
7.0.240.0200.00614.73
7.0.230.0160.01214.58
7.0.220.0190.00914.59
7.0.210.0270.00614.63
7.0.200.0220.00415.46
7.0.190.0290.00314.46
7.0.180.0220.00714.67
7.0.170.0240.00714.51
7.0.160.0190.00614.57
7.0.150.0350.00614.74
7.0.140.0170.01517.08
7.0.130.0140.00914.59
7.0.120.0200.00114.67
7.0.110.0180.00814.70
7.0.100.0170.03216.40
7.0.90.0160.03116.30
7.0.80.0180.02816.53
7.0.70.0110.02216.34
7.0.60.0260.02916.35
7.0.50.0180.03316.44
7.0.40.0140.03115.77
7.0.30.0140.02915.97
7.0.20.0160.03015.79
7.0.10.0100.03615.88
7.0.00.0170.03215.69
5.6.380.0100.00614.63
5.6.370.0070.01014.75
5.6.360.0030.01014.56
5.6.350.0060.00614.00
5.6.340.0060.00614.52
5.6.330.0040.00814.53
5.6.320.0060.00614.52
5.6.310.0070.00714.36
5.6.300.0060.00814.68
5.6.290.0070.01014.58
5.6.280.0040.03416.58
5.6.270.0080.00814.52
5.6.260.0080.00814.70
5.6.250.0100.03016.68
5.6.240.0100.03016.44
5.6.230.0090.03016.67
5.6.220.0090.03016.47
5.6.210.0090.03316.57
5.6.200.0070.02716.70
5.6.190.0110.02916.59
5.6.180.0100.03716.70
5.6.170.0050.03616.72
5.6.160.0100.02416.60
5.6.150.0060.03116.69
5.6.140.0040.03716.71
5.6.130.0090.03116.75
5.6.120.0090.03216.81
5.6.110.0110.01916.65
5.6.100.0100.03516.74
5.6.90.0050.03416.61
5.6.80.0100.03116.51
5.6.70.0080.02316.51
5.6.60.0120.02416.56
5.6.50.0070.03416.59
5.6.40.0090.01616.40
5.6.30.0100.03216.54
5.6.20.0120.02916.39
5.6.10.0080.03516.51
5.6.00.0080.03316.53
5.5.380.0050.03214.49
5.5.370.0070.03014.39
5.5.360.0060.03014.52
5.5.350.0100.02914.40
5.5.340.0100.03014.57
5.5.330.0080.03214.59
5.5.320.0070.03114.59
5.5.310.0110.03114.60
5.5.300.0070.01814.44
5.5.290.0100.02814.59
5.5.280.0120.02014.69
5.5.270.0030.02014.62
5.5.260.0060.03314.42
5.5.250.0060.03314.54
5.5.240.0080.03014.27
5.5.230.0140.02414.33
5.5.220.0070.01914.30
5.5.210.0050.03214.30
5.5.200.0080.02914.29
5.5.190.0020.03614.27
5.5.180.0060.03214.30
5.5.170.0070.00711.41
5.5.160.0060.03014.19
5.5.150.0050.03214.27
5.5.140.0080.02814.38
5.5.130.0060.03014.35
5.5.120.0090.03514.18
5.5.110.0110.02714.26
5.5.100.0120.02214.41
5.5.90.0050.02114.30
5.5.80.0060.02914.17
5.5.70.0050.03214.14
5.5.60.0070.02814.37
5.5.50.0090.01514.38
5.5.40.0080.01514.29
5.5.30.0060.01514.26
5.5.20.0050.01814.19
5.5.10.0060.02114.35
5.5.00.0070.01614.10
5.4.450.0090.02213.88
5.4.440.0090.02814.01
5.4.430.0060.03014.02
5.4.420.0070.02913.98
5.4.410.0060.02114.08
5.4.400.0050.03113.97
5.4.390.0120.02513.70
5.4.380.0100.02813.92
5.4.370.0060.02913.90
5.4.360.0100.02513.88
5.4.350.0050.03313.94
5.4.340.0060.03013.67
5.4.330.0040.00411.46
5.4.320.0090.02713.77
5.4.310.0080.02513.81
5.4.300.0120.01413.88
5.4.290.0120.02313.95
5.4.280.0100.02313.53
5.4.270.0130.01814.05
5.4.260.0090.02713.90
5.4.250.0070.01813.77
5.4.240.0040.02713.91
5.4.230.0080.02713.78
5.4.220.0040.02713.88
5.4.210.0110.01613.82
5.4.200.0130.01213.87
5.4.190.0070.01613.92
5.4.180.0100.01313.77
5.4.170.0090.01313.92
5.4.160.0030.02013.78
5.4.150.0060.01713.78
5.4.140.0050.01812.92
5.4.130.0050.01513.00
5.4.120.0040.01812.81
5.4.110.0060.02212.95
5.4.100.0050.02013.08
5.4.90.0040.02112.99
5.4.80.0060.01612.95
5.4.70.0070.02612.89
5.4.60.0070.02612.92
5.4.50.0040.02812.94
5.4.40.0050.02612.79
5.4.30.0100.02013.02
5.4.20.0090.01212.80
5.4.10.0030.03113.02
5.4.00.0080.01912.78
5.3.290.0080.02112.23
5.3.280.0050.02312.08
5.3.270.0090.01611.97
5.3.260.0090.01212.01
5.3.250.0040.01612.11
5.3.240.0050.01811.91
5.3.230.0050.01711.99
5.3.220.0060.01411.96
5.3.210.0030.01811.93
5.3.200.0060.01512.03
5.3.190.0060.01612.08
5.3.180.0040.01712.03
5.3.170.0060.01512.02
5.3.160.0090.02412.16
5.3.150.0060.02712.02
5.3.140.0060.01512.02
5.3.130.0070.02812.08
5.3.120.0030.02012.05
5.3.110.0040.01812.10
5.3.100.0040.01811.93
5.3.90.0050.01611.84
5.3.80.0060.01711.79
5.3.70.0060.01411.72
5.3.60.0060.02411.80
5.3.50.0090.01211.80
5.3.40.0050.02111.79
5.3.30.0040.01811.77
5.3.20.0060.01711.68
5.3.10.0030.01711.63
5.3.00.0060.01311.58
5.2.170.0040.01210.19
5.2.160.0060.01310.25
5.2.150.0060.01210.30
5.2.140.0040.01410.23
5.2.130.0050.01210.24
5.2.120.0060.01110.15
5.2.110.0040.01210.22
5.2.100.0020.01710.15
5.2.90.0050.01810.11
5.2.80.0060.01210.01
5.2.70.0040.01410.13
5.2.60.0060.01510.13
5.2.50.0040.01110.19
5.2.40.0030.01410.20
5.2.30.0060.01210.10
5.2.20.0020.01510.13
5.2.10.0060.01010.01
5.2.00.0010.01510.02
5.1.60.0070.0079.58
5.1.50.0020.0139.61
5.1.40.0040.0109.62
5.1.30.0060.0129.64
5.1.20.0060.0109.54
5.1.10.0050.0099.66
5.1.00.0040.0119.59
5.0.50.0010.0119.54
5.0.40.0030.0099.54
5.0.30.0050.0109.54
5.0.20.0050.0119.54
5.0.10.0030.0109.54
5.0.00.0050.0119.54
4.4.90.0030.0129.54
4.4.80.0020.0089.54
4.4.70.0050.0059.54
4.4.60.0020.0089.54
4.4.50.0040.0069.54
4.4.40.0030.0099.54
4.4.30.0020.0119.54
4.4.20.0020.0089.54
4.4.10.0050.0079.54
4.4.00.0020.0119.54
4.3.110.0000.0099.54
4.3.100.0020.0129.54
4.3.90.0030.0079.54
4.3.80.0040.0159.54
4.3.70.0030.0109.54
4.3.60.0020.0139.54
4.3.50.0020.0129.54
4.3.40.0040.0139.54
4.3.30.0010.0149.54
4.3.20.0040.0119.54
4.3.10.0040.0099.54
4.3.00.0010.0109.54

preferences:
50.15 ms | 401 KiB | 5 Q