3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dow = 'saturday'; $step = 2; $unit = 'W'; $start = new DateTime(time()); $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)
7.3.10.0370.01416.44
7.3.00.0100.00616.20
7.2.130.0630.00416.97
7.2.120.0150.00416.71
7.2.110.0180.00916.47
7.2.100.0300.01016.75
7.2.90.0100.01016.59
7.2.80.0180.00416.50
7.2.70.0240.00716.74
7.2.60.0110.00616.78
7.2.50.0300.01016.49
7.2.40.0180.00716.66
7.2.30.0100.01416.75
7.2.20.0440.00316.72
7.2.10.0120.00816.51
7.2.00.0210.00818.21
7.1.250.0160.00615.55
7.1.200.0280.00315.57
7.1.100.0030.00918.42
7.1.70.0000.00817.21
7.1.60.0140.01019.32
7.1.50.0070.01816.98
7.1.00.0070.07022.48
7.0.200.0040.00416.63
7.0.140.0030.07322.00
7.0.80.0700.07020.02
7.0.70.0530.07319.99
7.0.60.0530.08319.98
7.0.50.0530.06020.23
7.0.40.0100.08020.18
7.0.30.0100.08320.03
7.0.20.0200.07720.08
7.0.10.0170.07320.14
7.0.00.0030.05019.97
5.6.280.0000.07720.78
5.6.230.0070.06320.50
5.6.220.0170.07020.68
5.6.210.0030.05320.45
5.6.200.0170.07721.09
5.6.190.0030.06321.11
5.6.180.0070.08721.08
5.6.170.0070.08320.96
5.6.160.0100.03721.13
5.6.150.0030.09021.04
5.6.140.0030.05721.16
5.6.130.0100.07720.93
5.6.120.0030.06320.95
5.6.110.0130.08021.01
5.6.100.0070.05021.00
5.6.90.0100.03721.15
5.6.80.0100.08320.46
5.6.70.0070.07720.30
5.6.60.0170.07020.50
5.6.50.0070.07320.33
5.6.40.0070.07020.40
5.6.30.0230.06320.44
5.6.20.0030.05720.30
5.6.10.0100.07720.23
5.6.00.0070.07720.27
5.5.370.0030.06720.42
5.5.360.0070.08720.41
5.5.350.0100.05020.46
5.5.340.0000.09720.85
5.5.330.0170.07320.82
5.5.320.0130.07320.88
5.5.310.0030.05720.89
5.5.300.0100.07320.83
5.5.290.0070.08020.83
5.5.280.0100.09320.91
5.5.270.0070.08720.89
5.5.260.0100.04720.86
5.5.250.0070.05720.45
5.5.240.0070.04320.27
5.5.230.0100.08020.20
5.5.220.0030.04320.29
5.5.210.0070.08320.13
5.5.200.0030.05020.28
5.5.190.0100.07720.14
5.5.180.0070.08020.21
5.5.160.0030.08020.14
5.5.150.0070.04720.12
5.5.140.0170.06020.14
5.5.130.0030.04320.14
5.5.120.0070.04720.27
5.5.110.0200.05020.16
5.5.100.0230.04019.97
5.5.90.0200.06720.07
5.5.80.0070.07320.06
5.5.70.0070.04720.09
5.5.60.0030.05020.15
5.5.50.0100.05720.02
5.5.40.0170.07020.05
5.5.30.0100.07320.10
5.5.20.0000.08319.95
5.5.10.0030.08720.04
5.5.00.0030.08319.93
5.4.450.0100.07719.37
5.4.440.0100.04319.48
5.4.430.0200.06319.26
5.4.420.0030.08019.50
5.4.410.0030.04019.14
5.4.400.0070.07019.04
5.4.390.0070.04019.13
5.4.380.0070.06319.09
5.4.370.0100.07018.85
5.4.360.0070.07319.12
5.4.350.0030.06719.13
5.4.340.0130.06019.05
5.4.320.0030.07319.18
5.4.310.0030.04718.95
5.4.300.0200.06019.14
5.4.290.0030.08019.04
5.4.280.0130.07018.84
5.4.270.0170.06318.87
5.4.260.0070.07718.81
5.4.250.0030.06319.20
5.4.240.0070.08319.13
5.4.230.0100.06718.89
5.4.220.0170.07018.89
5.4.210.0130.07019.08
5.4.200.0100.06019.20
5.4.190.0130.07319.21
5.4.180.0030.04719.13
5.4.170.0100.06018.93
5.4.160.0070.06319.02
5.4.150.0100.04019.15
5.4.140.0070.08016.34
5.4.130.0070.07316.51
5.4.120.0130.06316.33
5.4.110.0130.03316.39
5.4.100.0070.05716.42
5.4.90.0100.07016.46
5.4.80.0030.07716.23
5.4.70.0130.03316.32
5.4.60.0030.06716.26
5.4.50.0070.03716.39
5.4.40.0030.07716.53
5.4.30.0130.04716.24
5.4.20.0070.07716.43
5.4.10.0100.06016.32
5.4.00.0030.07315.88
5.3.290.0070.08014.64
5.3.280.0100.07014.73
5.3.270.0100.06714.57
5.3.260.0030.06314.61
5.3.250.0070.07314.58
5.3.240.0070.07714.68
5.3.230.0100.06714.57
5.3.220.0100.07014.55
5.3.210.0000.05714.64
5.3.200.0070.07314.53
5.3.190.0070.05014.54
5.3.180.0070.04314.49
5.3.170.0070.07314.68
5.3.160.0000.07014.66
5.3.150.0130.06714.59
5.3.140.0100.03314.64
5.3.130.0030.08314.56
5.3.120.0070.05714.65
5.3.110.0170.02714.61
5.3.100.0100.03714.04
5.3.90.0070.05314.03
5.3.80.0100.07714.12
5.3.70.0000.07714.13
5.3.60.0070.07713.99
5.3.50.0030.08013.97
5.3.40.0100.04314.04
5.3.30.0000.04013.96
5.3.20.0030.07313.71
5.3.10.0100.07013.77
5.3.00.0070.04713.66
5.2.170.0100.03011.16
5.2.160.0100.05311.16
5.2.150.0070.06711.27
5.2.140.0000.03311.04
5.2.130.0000.06711.23
5.2.120.0030.06011.09
5.2.110.0100.03711.09
5.2.100.0200.05011.11
5.2.90.0030.04011.11
5.2.80.0130.02711.23
5.2.70.0070.06011.21
5.2.60.0000.06711.16
5.2.50.0070.06310.92
5.2.40.0070.03711.00
5.2.30.0070.05711.08
5.2.20.0030.06310.90
5.2.10.0000.03010.89
5.2.00.0100.05710.82
5.1.60.0030.0539.83
5.1.50.0070.0509.83
5.1.40.0070.0339.96
5.1.30.0070.05310.23
5.1.20.0030.05010.39
5.1.10.0070.03710.09
5.1.00.0100.04710.06
5.0.50.0070.0408.64
5.0.40.0030.0378.50
5.0.30.0000.0708.22
5.0.20.0030.0438.27
5.0.10.0000.0408.16
5.0.00.0000.0508.25
4.4.90.0030.0337.59
4.4.80.0030.0337.59
4.4.70.0000.0307.59
4.4.60.0030.0237.59
4.4.50.0000.0207.59
4.4.40.0000.0577.59
4.4.30.0030.0337.59
4.4.20.0030.0207.59
4.4.10.0030.0337.59
4.4.00.0000.0407.59
4.3.110.0030.0337.59
4.3.100.0000.0237.59
4.3.90.0000.0237.59
4.3.80.0000.0277.59
4.3.70.0000.0177.59
4.3.60.0030.0137.59
4.3.50.0000.0277.59
4.3.40.0100.0407.59
4.3.30.0000.0207.59
4.3.20.0000.0377.59
4.3.10.0000.0377.59
4.3.00.0000.0277.59

preferences:
37.31 ms | 401 KiB | 5 Q