3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dow = 'saturday'; $step = 2; $unit = 'W'; $start = new DateTime(); $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)
8.3.60.0070.00718.43
8.3.50.0160.00221.27
8.3.40.0090.00919.00
8.3.30.0140.00019.21
8.3.20.0000.00820.34
8.3.10.0080.00023.48
8.3.00.0080.00019.38
8.2.180.0110.00416.75
8.2.170.0150.00322.96
8.2.160.0090.00920.51
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0090.00022.08
8.2.110.0050.00522.42
8.2.100.0060.00617.84
8.2.90.0030.00519.05
8.2.80.0000.00917.97
8.2.70.0040.00817.63
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0000.00818.28
8.2.30.0040.00418.33
8.2.20.0050.00317.92
8.2.10.0070.00018.30
8.2.00.0040.00418.02
8.1.280.0030.01025.92
8.1.270.0050.00322.19
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0090.00023.82
8.1.230.0040.00820.91
8.1.220.0040.00417.91
8.1.210.0050.00518.77
8.1.200.0100.00017.48
8.1.190.0080.00017.47
8.1.180.0000.00818.10
8.1.170.0060.00318.77
8.1.160.0040.00422.15
8.1.150.0030.00619.11
8.1.140.0040.00417.70
8.1.130.0000.00717.83
8.1.120.0080.00017.81
8.1.110.0040.00417.62
8.1.100.0040.00417.77
8.1.90.0000.00717.79
8.1.80.0040.00317.62
8.1.70.0070.00017.66
8.1.60.0030.00617.81
8.1.50.0000.00917.74
8.1.40.0000.00817.65
8.1.30.0040.00417.91
8.1.20.0000.00817.88
8.1.10.0050.00317.67
8.1.00.0000.00717.68
8.0.300.0070.00018.77
8.0.290.0070.00017.00
8.0.280.0000.00718.72
8.0.270.0070.00017.32
8.0.260.0030.00317.36
8.0.250.0020.00517.18
8.0.240.0030.00617.14
8.0.230.0030.00317.19
8.0.220.0000.00717.20
8.0.210.0030.00317.21
8.0.200.0060.00017.21
8.0.190.0030.00517.17
8.0.180.0040.00417.20
8.0.170.0000.00817.13
8.0.160.0040.00417.18
8.0.150.0070.00017.08
8.0.140.0040.00417.11
8.0.130.0000.00513.52
8.0.120.0000.00817.18
8.0.110.0030.00517.23
8.0.100.0030.00517.07
8.0.90.0040.00417.05
8.0.80.0060.01017.17
8.0.70.0050.00217.14
8.0.60.0000.00817.16
8.0.50.0050.00217.02
8.0.30.0080.01317.60
8.0.20.0100.01217.40
8.0.10.0050.00217.14
8.0.00.0110.01116.89
7.4.330.0030.00315.22
7.4.320.0030.00316.65
7.4.300.0040.00416.72
7.4.290.0000.00816.70
7.4.280.0080.00016.69
7.4.270.0030.00316.71
7.4.260.0000.00816.86
7.4.250.0000.00816.83
7.4.240.0020.00516.75
7.4.230.0030.00316.64
7.4.220.0100.00716.79
7.4.210.0090.00616.70
7.4.200.0030.00316.63
7.4.160.0090.00916.59
7.4.150.0100.01017.40
7.4.140.0040.01517.86
7.4.130.0080.01016.68
7.4.120.0070.01016.76
7.4.110.0070.01016.88
7.4.100.0120.00616.66
7.4.90.0150.00416.83
7.4.80.0060.01319.39
7.4.70.0130.00716.93
7.4.60.0120.00716.75
7.4.50.0060.00316.78
7.4.40.0060.00916.59
7.4.30.0090.00816.98
7.4.00.0030.01315.00
7.3.330.0000.00513.30
7.3.320.0030.00313.50
7.3.310.0030.00516.61
7.3.300.0070.00016.55
7.3.290.0070.00716.52
7.3.280.0070.01016.57
7.3.270.0130.00617.40
7.3.260.0070.01316.84
7.3.250.0120.00516.70
7.3.240.0090.00916.81
7.3.230.0140.00416.57
7.3.210.0100.00816.73
7.3.200.0170.00719.39
7.3.190.0040.01516.69
7.3.180.0160.00616.62
7.3.170.0060.01216.86
7.3.160.0120.00816.66
7.2.330.0130.00417.12
7.2.320.0120.00616.80
7.2.310.0130.00317.07
7.2.300.0080.00917.00
7.2.290.0130.01316.95
7.2.60.0100.00317.15
7.2.00.0030.00719.67
7.1.200.0000.01115.88
7.1.100.0040.00818.51
7.1.70.0000.01317.34
7.1.60.0090.01519.32
7.1.50.0100.01317.14
7.1.00.0000.08022.43
7.0.200.0000.00717.06
7.0.140.0030.06722.07
7.0.60.0070.08319.79
7.0.50.0000.06017.91
7.0.40.0130.05020.18
7.0.30.0270.03320.12
7.0.20.0230.08319.96
7.0.10.0130.07720.18
7.0.00.0000.04720.16
5.6.280.0170.06021.12
5.6.210.0070.08020.55
5.6.200.0070.08018.21
5.6.190.0170.04720.27
5.6.180.0170.08020.37
5.6.170.0330.06020.49
5.6.160.0170.08320.42
5.6.150.0030.09318.15
5.6.140.0030.04018.18
5.6.130.0030.07018.11
5.6.120.0100.06321.15
5.6.110.0030.08721.13
5.6.100.0130.07721.02
5.6.90.0130.08720.94
5.6.80.0070.07720.37
5.6.70.4600.03720.39
5.5.350.0270.07720.38
5.5.340.0070.05318.02
5.5.330.0030.04320.29
5.5.320.0300.05020.26
5.5.310.0270.07720.28
5.5.300.0070.07318.01
5.5.290.0100.08017.88
5.5.280.0070.04720.76
5.5.270.0030.04320.75
5.5.260.0130.04720.86
5.5.250.0130.08320.79
5.5.240.4230.03320.13
5.4.450.0230.07019.26
5.4.440.0230.06719.56
5.4.430.0270.04719.40
5.4.420.0270.07719.13
5.4.410.0400.05319.37
5.4.400.0230.05319.09
5.4.390.0230.05319.08
5.4.380.0200.03718.78
5.4.370.0330.06319.07
5.4.360.0200.03718.81
5.4.350.0130.04018.92
5.4.340.0300.07019.09
5.4.320.0170.04719.20
5.4.310.0270.05718.89
5.4.300.0300.05319.21
5.4.290.0230.07319.20
5.4.280.0230.04719.08
5.4.270.0230.03319.05
5.4.260.0200.07319.16
5.4.250.0170.04019.07
5.4.240.0200.04718.77
5.4.230.0200.06319.20
5.4.220.0200.07319.23
5.4.210.0230.06319.20
5.4.200.0300.02719.26
5.4.190.0330.03719.22
5.4.180.0200.04319.19
5.4.170.0130.08719.21
5.4.160.0230.06319.12
5.4.150.0200.05719.13
5.4.140.0270.06316.34
5.4.130.0200.04716.40
5.4.120.0130.04016.48
5.4.110.0170.04016.27
5.4.100.0300.06716.12
5.4.90.0230.04316.47
5.4.80.0130.04716.27
5.4.70.0270.03716.42
5.4.60.0300.03716.43
5.4.50.0230.06716.36
5.4.40.0270.07016.27
5.4.30.0230.06716.15
5.4.20.0270.06716.44
5.4.10.0270.07016.20
5.4.00.0200.03315.70
5.3.290.0200.04714.56
5.3.280.0300.06014.45
5.3.270.0200.07314.64
5.3.260.0230.06314.51
5.3.250.0200.06314.46
5.3.240.0270.04014.46
5.3.230.0230.03714.45
5.3.220.0270.04714.40
5.3.210.0200.07314.43
5.3.200.0170.04714.51
5.3.190.0270.06714.51
5.3.180.0230.06714.63
5.3.170.0200.07314.41
5.3.160.0300.06714.66
5.3.150.0200.05014.41
5.3.140.0200.05014.42
5.3.130.0230.05314.50
5.3.120.0130.04714.50
5.3.110.0170.07714.38
5.3.100.0300.06014.08
5.3.90.0170.04013.97
5.3.80.0300.05714.00
5.3.70.0270.04013.86
5.3.60.0170.04013.88
5.3.50.0200.04313.89
5.3.40.0170.04013.89
5.3.30.0200.06713.82
5.3.20.0230.05013.51
5.3.10.0300.05713.43
5.3.00.0230.04713.59
5.2.170.0130.04712.23
5.2.160.0230.03012.23
5.2.150.0230.05312.23
5.2.140.0230.04312.23
5.2.130.0200.05012.23
5.2.120.0200.03012.23
5.2.110.0200.03312.23
5.2.100.0270.05712.23
5.2.90.0200.05012.23
5.2.80.0170.05312.23
5.2.70.0200.04012.23
5.2.60.0270.03312.23
5.2.50.0200.03012.23
5.2.40.0130.06312.23
5.2.30.0170.05312.23
5.2.20.0130.04012.23
5.2.10.0200.03312.23
5.2.00.0130.05012.23
5.1.60.0170.02012.23
5.1.50.0170.04712.23
5.1.40.0200.03312.23
5.1.30.0130.03312.23
5.1.20.0200.05012.23
5.1.10.0200.04312.23
5.1.00.0130.05312.23
5.0.50.0100.03012.23
5.0.40.0170.02012.23
5.0.30.0130.06012.23
5.0.20.0170.03312.23
5.0.10.0100.02312.23
5.0.00.0100.06012.23
4.4.90.0100.03312.23
4.4.80.0070.03012.23
4.4.70.0100.02712.23
4.4.60.0100.03012.23
4.4.50.0130.02312.23
4.4.40.0070.05712.23
4.4.30.0070.02012.23
4.4.20.0130.03012.23
4.4.10.0030.02012.23
4.4.00.0130.03712.23
4.3.110.0070.03012.23
4.3.100.0070.03712.23
4.3.90.0070.02012.23
4.3.80.0030.04012.23
4.3.70.0070.03312.23
4.3.60.0170.01712.23
4.3.50.0130.01312.23
4.3.40.0030.03312.23
4.3.30.0030.02012.23
4.3.20.0030.02012.23
4.3.10.0030.02012.23
4.3.00.0070.02012.23

preferences:
46.4 ms | 401 KiB | 5 Q