3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dow = 'saturday'; $step = 2; $unit = 'W'; $start = new DateTime(now()); $end = clone $start; $start->modify($dow); // Move to first occurence $end->add(new DateInterval('P1Y')); // Move to 1 year from start $interval = new DateInterval("P{$step}{$unit}"); $period = new DatePeriod($start, $interval, $end); foreach ($period as $date) { echo $date->format('D, d M Y'), PHP_EOL; }

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)
8.3.60.0090.00618.56
8.3.50.0070.01221.28
8.3.40.0040.01118.88
8.3.30.0080.00619.22
8.3.20.0050.00220.16
8.3.10.0040.00423.65
8.3.00.0090.00019.26
8.2.180.0150.00317.00
8.2.170.0110.00422.96
8.2.160.0070.00720.44
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0000.00826.16
8.2.120.0050.00222.18
8.2.110.0070.00321.11
8.2.100.0050.00517.91
8.2.90.0080.00017.69
8.2.80.0000.00817.97
8.2.70.0090.00317.50
8.2.60.0040.00418.04
8.2.50.0060.00318.07
8.2.40.0000.00718.22
8.2.30.0040.00417.95
8.2.20.0000.00717.58
8.2.10.0000.00717.96
8.2.00.0000.00817.65
8.1.280.0040.01125.92
8.1.270.0080.00023.83
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00322.37
8.1.230.0070.00420.89
8.1.220.0030.00517.74
8.1.210.0070.00418.77
8.1.200.0030.00617.35
8.1.190.0000.00817.23
8.1.180.0000.00718.10
8.1.170.0040.00418.36
8.1.160.0000.00821.98
8.1.150.0000.00718.73
8.1.140.0040.00417.41
8.1.130.0030.00317.76
8.1.120.0090.00017.45
8.1.110.0030.00517.30
8.1.100.0030.00517.33
8.1.90.0040.00417.32
8.1.80.0000.00717.33
8.1.70.0030.00317.29
8.1.60.0030.00617.61
8.1.50.0030.00517.60
8.1.40.0040.00417.53
8.1.30.0000.00917.65
8.1.20.0030.00517.54
8.1.10.0000.00917.66
8.1.00.0000.00717.53
8.0.300.0050.00319.95
8.0.290.0040.00416.75
8.0.280.0070.00018.46
8.0.270.0000.00817.13
8.0.260.0030.00317.28
8.0.250.0000.00816.99
8.0.240.0000.00717.02
8.0.230.0070.00016.90
8.0.220.0070.00016.94
8.0.210.0040.00416.93
8.0.200.0000.00616.94
8.0.190.0090.00016.95
8.0.180.0050.00316.85
8.0.170.0050.00316.90
8.0.160.0000.00716.90
8.0.150.0000.00716.73
8.0.140.0040.00316.91
8.0.130.0030.00313.44
8.0.120.0070.00016.77
8.0.110.0020.00516.79
8.0.100.0000.00716.89
8.0.90.0030.00416.78
8.0.80.0030.01316.89
8.0.70.0070.00016.70
8.0.60.0030.00516.89
8.0.50.0000.00716.88
8.0.30.0090.01317.03
8.0.20.0150.00717.40
8.0.10.0040.00417.06
8.0.00.0080.01216.95
7.4.330.0000.00515.02
7.4.320.0000.00616.56
7.4.300.0000.00616.52
7.4.290.0000.00716.55
7.4.280.0000.00716.54
7.4.270.0030.00316.55
7.4.260.0040.00416.66
7.4.250.0030.00516.42
7.4.240.0050.00216.63
7.4.230.0000.00716.63
7.4.220.0000.01716.62
7.4.210.0130.00916.66
7.4.200.0030.00316.50
7.4.160.0080.00816.60
7.4.150.0070.01717.40
7.4.140.0120.00717.86
7.4.130.0120.00916.59
7.4.120.0150.00716.61
7.4.110.0060.01116.62
7.4.100.0140.00416.72
7.4.90.0110.00616.52
7.4.80.0070.01019.39
7.4.70.0000.01716.52
7.4.60.0070.01116.68
7.4.50.0040.00416.67
7.4.40.0100.00716.46
7.4.30.0060.01016.40
7.4.00.0030.01315.07
7.3.330.0020.00213.13
7.3.320.0000.00513.22
7.3.310.0030.00616.19
7.3.300.0030.00316.19
7.3.290.0070.00916.31
7.3.280.0080.00916.27
7.3.270.0150.00317.40
7.3.260.0160.01016.47
7.3.250.0070.01116.24
7.3.240.0080.00816.21
7.3.230.0090.00916.39
7.3.210.0030.01316.25
7.3.200.0070.01419.39
7.3.190.0180.00416.19
7.3.180.0090.00616.53
7.3.170.0130.00616.33
7.3.160.0130.00316.45
7.3.120.0100.00714.71
7.3.110.0070.00314.94
7.3.100.0080.00814.77
7.3.90.0070.00314.79
7.3.80.0070.00714.85
7.3.70.0060.00914.85
7.3.60.0110.00414.90
7.3.50.0030.00914.78
7.3.40.0070.00314.66
7.3.30.0070.00714.55
7.3.20.0040.00416.29
7.3.10.0030.01016.34
7.3.00.0000.01116.54
7.2.330.0090.01216.53
7.2.320.0100.00616.70
7.2.310.0100.01016.53
7.2.300.0090.00916.47
7.2.290.0070.01116.64
7.2.240.0100.00614.84
7.2.230.0070.01014.77
7.2.220.0070.00714.97
7.2.210.0100.00315.04
7.2.200.0090.00614.86
7.2.190.0050.00514.87
7.2.180.0120.00314.68
7.2.170.0030.00914.90
7.2.160.0040.00714.94
7.2.150.0030.00716.60
7.2.140.0030.00916.67
7.2.130.0000.01416.95
7.2.120.0040.01116.60
7.2.110.0100.01016.68
7.2.100.0130.00316.76
7.2.90.0050.00516.51
7.2.80.0060.00616.96
7.2.70.0070.00316.96
7.2.60.0070.00716.57
7.2.50.0140.00416.93
7.2.40.0060.00916.86
7.2.30.0030.00616.61
7.2.20.0110.00316.85
7.2.10.0000.01016.82
7.2.00.0020.01218.19
7.1.330.0030.01415.59
7.1.320.0030.00615.60
7.1.310.0060.00615.27
7.1.300.0040.01115.67
7.1.290.0060.00615.55
7.1.280.0040.00415.63
7.1.270.0070.00715.26
7.1.260.0070.01015.70
7.1.250.0080.00315.68
7.1.200.0180.01015.15
7.1.100.0030.01217.80
7.1.70.0040.00416.89
7.1.60.0170.00719.32
7.1.50.0110.01116.87
7.1.00.0000.07722.27
7.0.200.0000.01016.64
7.0.140.0070.06321.95
7.0.60.0400.05721.77
7.0.50.0030.04017.82
7.0.40.0070.04319.90
7.0.30.0230.04720.02
7.0.20.0200.04720.28
7.0.10.0070.04020.18
7.0.00.0070.07720.19
5.6.280.0070.06320.90
5.6.210.0130.05720.60
5.6.200.0070.04318.19
5.6.190.0070.08320.41
5.6.180.0200.08320.39
5.6.170.0300.05320.38
5.6.160.0070.04320.46
5.6.150.0130.07018.17
5.6.140.0130.06018.11
5.6.130.0070.03718.14
5.6.120.0070.05721.09
5.6.110.0070.08321.13
5.6.100.0100.07320.97
5.6.90.0030.08721.00
5.6.80.0170.06320.54
5.5.350.0200.04020.38
5.5.340.0070.06317.97
5.5.330.0170.05720.38
5.5.320.0230.07320.36
5.5.310.0270.06320.21
5.5.300.0070.08017.91
5.5.290.0000.06317.97
5.5.280.0030.05320.79
5.5.270.0130.06020.87
5.5.260.0070.06020.88
5.5.250.0200.06720.68
5.5.240.0130.05020.34
5.4.450.0100.08019.30
5.4.440.0100.07719.36
5.4.430.1730.05019.31
5.4.420.4770.04019.39
5.4.410.4500.03319.35
5.4.400.4670.04019.22
5.4.390.3930.03719.14
5.4.380.4470.04318.97
5.4.370.4400.03718.91
5.4.360.2130.05018.97
5.4.350.3430.03719.02
5.4.340.1730.04019.24
5.4.320.4270.04019.13
5.4.310.3430.03319.16
5.4.300.2130.03719.05
5.4.290.2700.04018.97
5.4.280.2570.03718.89
5.4.270.2600.04318.97
5.4.260.3870.03318.87
5.4.250.3330.04718.86
5.4.240.3770.04719.13
5.4.230.4170.03719.23
5.4.220.3770.03719.04
5.4.210.4000.03319.13
5.4.200.3930.04019.14
5.4.190.4370.03719.14
5.4.180.4430.04019.18
5.4.170.4200.04019.17
5.4.160.4330.04019.04
5.4.150.4470.03719.01
5.4.140.4370.03016.22
5.4.130.4470.03016.12
5.4.120.3900.03716.42
5.4.110.3800.03316.41
5.4.100.3830.03016.27
5.4.90.4330.03716.25
5.4.80.4330.02716.34
5.4.70.4200.03716.32
5.4.60.4100.03016.44
5.4.50.3800.03716.46
5.4.40.3300.02716.35
5.4.30.3900.03316.30
5.4.20.4370.03316.32
5.4.10.2900.03716.22
5.4.00.3100.03315.84
5.3.290.3500.03714.45
5.3.280.3530.04014.49
5.3.270.5630.03014.54
5.3.260.4330.04014.59
5.3.250.4630.04014.53
5.3.240.4330.03714.69
5.3.230.4870.03714.50
5.3.220.4200.04714.38
5.3.210.5130.04714.45
5.3.200.3770.03714.52
5.3.190.3870.04014.58
5.3.180.3630.02714.46
5.3.170.4000.03714.57
5.3.160.4200.03314.57
5.3.150.4170.03014.57
5.3.140.4130.03714.45
5.3.130.4370.03314.43
5.3.120.4370.04014.48
5.3.110.3370.03714.47
5.3.100.3800.04313.96
5.3.90.3430.02713.81
5.3.80.3600.04014.02
5.3.70.4070.03713.94
5.3.60.4070.03313.95
5.3.50.3630.04013.73
5.3.40.1170.04013.86
5.3.30.0030.04313.99
5.3.20.2730.04013.62
5.3.10.4270.04013.62
5.3.00.3730.03313.58
5.2.170.3400.03011.07
5.2.160.2800.02711.07
5.2.150.0000.03710.97
5.2.140.0000.03311.11
5.2.130.3270.02711.08
5.2.120.2930.03011.18
5.2.110.3130.03311.06
5.2.100.3200.02711.08
5.2.90.3770.02311.18
5.2.80.3570.03310.97
5.2.70.4300.03311.08
5.2.60.3870.02311.05
5.2.50.3630.03011.00
5.2.40.2830.02710.89
5.2.30.3000.03310.95
5.2.20.4070.03310.77
5.2.10.2730.02710.86
5.2.00.2730.03010.70
5.1.60.2330.0309.99
5.1.50.0430.02710.14
5.1.40.0100.04010.04
5.1.30.0030.04310.34
5.1.20.0030.06310.20
5.1.10.0370.05710.04
5.1.00.3100.02310.06
5.0.50.1770.0208.52
5.0.40.1830.0208.39
5.0.30.1730.0308.08
5.0.20.1570.0208.16
5.0.10.1870.0178.24
5.0.00.1700.0338.31
4.4.90.1830.0135.82
4.4.80.1300.0135.83
4.4.70.1930.0105.78
4.4.60.1830.0175.80
4.4.50.0570.0175.87
4.4.40.0970.0235.84
4.4.30.0000.0235.80
4.4.20.0000.0205.95
4.4.10.1870.0175.87
4.4.00.1600.0235.84
4.3.110.1530.0135.76
4.3.100.1870.0205.79
4.3.90.1470.0175.73
4.3.80.1570.0235.77
4.3.70.1770.0135.74
4.3.60.1630.0135.83
4.3.50.1900.0175.73
4.3.40.1800.0305.73
4.3.30.1000.0174.76
4.3.20.0870.0234.76
4.3.10.0570.0174.76
4.3.00.0800.0174.76

preferences:
36.15 ms | 400 KiB | 5 Q