3v4l.org

run code in 300+ PHP versions simultaneously
<?php function generate_comb($pos, &$res) { global $comb; print_r('{' . $res . '}'); echo "\n"; if ($res != '') { $res = $res . ','; } for ($i = $pos + 1; $i < count($comb); $i++) { $var = $res . $comb[$i]; generate_comb($i, $var); } } $comb = array(1, 2, 3, 4, 5); $pos = -1; $res = ''; generate_comb($pos, $res);

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)
8.3.60.0070.00716.50
8.3.50.0050.01122.05
8.3.40.0090.00618.80
8.3.30.0110.00319.23
8.3.20.0070.00720.15
8.3.10.0080.00023.57
8.3.00.0030.00619.33
8.2.180.0170.00316.50
8.2.170.0100.01022.96
8.2.160.0090.00620.44
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0090.00026.16
8.2.120.0070.00022.13
8.2.110.0040.00422.10
8.2.100.0040.00817.84
8.2.90.0000.00819.17
8.2.80.0050.00317.97
8.2.70.0000.00817.60
8.2.60.0080.00017.93
8.2.50.0000.00818.07
8.2.40.0030.00618.25
8.2.30.0070.00018.16
8.2.20.0070.00017.63
8.2.10.0040.00417.81
8.2.00.0000.00817.75
8.1.280.0120.00925.92
8.1.270.0090.00023.96
8.1.260.0070.00326.35
8.1.250.0040.00428.09
8.1.240.0000.00923.96
8.1.230.0070.00418.86
8.1.220.0040.00417.78
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0040.00417.53
8.1.180.0000.00818.10
8.1.170.0040.00418.65
8.1.160.0070.00321.93
8.1.150.0030.00618.64
8.1.140.0050.00317.50
8.1.130.0030.00317.89
8.1.120.0000.00717.52
8.1.110.0000.01117.41
8.1.100.0040.00417.47
8.1.90.0000.00717.42
8.1.80.0050.00217.50
8.1.70.0030.00317.42
8.1.60.0090.00017.63
8.1.50.0000.00817.45
8.1.40.0050.00217.42
8.1.30.0000.00817.50
8.1.20.0070.00017.66
8.1.10.0040.00417.49
8.1.00.0040.00417.51
8.0.300.0000.00718.77
8.0.290.0040.00417.05
8.0.280.0070.00018.39
8.0.270.0000.00717.14
8.0.260.0000.00616.78
8.0.250.0070.00017.00
8.0.240.0030.00316.98
8.0.230.0000.00716.93
8.0.220.0040.00416.91
8.0.210.0000.00716.81
8.0.200.0000.00616.95
8.0.190.0030.00317.00
8.0.180.0000.00816.97
8.0.170.0040.00416.75
8.0.160.0000.00716.84
8.0.150.0070.00016.93
8.0.140.0070.00016.72
8.0.130.0050.00313.32
8.0.120.0040.00416.90
8.0.110.0070.00016.93
8.0.100.0000.00716.88
8.0.90.0040.00416.89
8.0.80.0080.00816.84
8.0.70.0000.00816.84
8.0.60.0030.00516.96
8.0.50.0050.00216.92
8.0.30.0090.01017.00
8.0.20.0110.01417.40
8.0.10.0040.00416.91
8.0.00.0110.00816.84
7.4.330.0020.00215.02
7.4.320.0030.00316.60
7.4.300.0000.00616.40
7.4.290.0030.00516.59
7.4.280.0030.00316.61
7.4.270.0080.00016.44
7.4.260.0050.00216.59
7.4.250.0080.00016.57
7.4.240.0000.00816.59
7.4.230.0050.00216.45
7.4.220.0090.00916.57
7.4.210.0100.00816.53
7.4.200.0070.00016.63
7.4.190.0040.00416.41
7.4.160.0160.00016.35
7.4.150.0130.01017.40
7.4.140.0110.00817.86
7.4.130.0120.00516.48
7.4.120.0070.01016.59
7.4.110.0160.00016.48
7.4.100.0070.01116.50
7.4.90.0120.00616.36
7.4.80.0070.01719.39
7.4.70.0130.00416.42
7.4.60.0060.01716.49
7.4.50.0000.00416.53
7.4.40.0120.00222.77
7.4.30.0110.00516.62
7.4.00.0070.00714.96
7.3.330.0000.00513.33
7.3.320.0000.00513.30
7.3.310.0070.00016.34
7.3.300.0000.00716.16
7.3.290.0060.01316.30
7.3.280.0070.01116.29
7.3.270.0170.00717.40
7.3.260.0070.01116.27
7.3.250.0110.00816.51
7.3.240.0070.01116.57
7.3.230.0030.01716.39
7.3.210.0070.01116.41
7.3.200.0180.00419.39
7.3.190.0080.01016.58
7.3.180.0040.01116.60
7.3.170.0080.00816.56
7.3.160.0120.00616.44
7.3.120.0130.00314.58
7.2.330.0080.01116.82
7.2.320.0120.00616.44
7.2.310.0120.00616.79
7.2.300.0070.01016.79
7.2.290.0230.00716.39
7.2.00.0000.01419.61
7.1.100.0030.00718.30
7.1.70.0150.00317.38
7.1.60.0100.01419.31
7.1.50.0100.00617.10
7.1.00.0100.07022.54
7.0.200.0070.00016.53
7.0.140.0030.07722.07
7.0.70.0170.08021.73
7.0.60.0030.06721.72
7.0.50.0130.07722.01
7.0.40.0100.08320.19
7.0.30.0130.06720.17
7.0.20.0000.09320.05
7.0.10.0100.06020.09
7.0.00.0070.08720.18
5.6.280.0070.07021.04
5.6.220.0070.07320.49
5.6.210.0170.08020.75
5.6.200.0070.06021.14
5.6.190.0100.05320.95
5.6.180.0100.08721.17
5.6.170.0200.07320.91
5.6.160.0000.05021.05
5.6.150.0030.07720.96
5.6.140.0030.04721.17
5.6.130.0130.07721.04
5.6.120.0070.08721.08
5.6.110.0030.09020.93
5.6.100.0130.08321.06
5.6.90.0000.05021.01
5.6.80.0030.08020.35
5.6.70.0100.07720.46
5.6.60.0170.04020.33
5.6.50.0030.07020.49
5.6.40.0070.07020.36
5.6.30.0100.06320.35
5.6.20.0070.07720.37
5.6.10.0070.05720.46
5.6.00.0030.04720.28
5.5.360.0070.08720.39
5.5.350.0200.07020.42
5.5.340.0100.04020.78
5.5.330.0100.08320.80
5.5.320.0070.08020.84
5.5.310.0100.04720.89
5.5.300.0070.07020.90
5.5.290.0070.04320.92
5.5.280.0030.06320.86
5.5.270.0130.07720.89
5.5.260.0070.06720.82
5.5.250.0100.06320.58
5.5.240.0170.07320.24
5.5.230.0100.06720.30
5.5.220.0100.07720.29
5.5.210.0100.07720.25
5.5.200.0200.06720.22
5.5.190.0030.08020.15
5.5.180.0030.08320.27
5.5.160.0000.08020.27
5.5.150.0070.06020.20
5.5.140.0070.08020.25
5.5.130.0070.07320.15
5.5.120.0130.06020.21
5.5.110.0070.08720.10
5.5.100.0130.06720.10
5.5.90.0070.05719.97
5.5.80.0070.08020.05
5.5.70.0100.07320.09
5.5.60.0070.08020.09
5.5.50.0100.08020.11
5.5.40.0070.07720.16
5.5.30.0130.06320.05
5.5.20.0130.05320.11
5.5.10.0070.07320.07
5.5.00.0100.05320.09
5.4.450.0230.06719.36
5.4.440.0000.04719.22
5.4.430.0070.04319.44
5.4.420.0000.09019.50
5.4.410.0030.07319.24
5.4.400.0000.06319.05
5.4.390.0130.07319.05
5.4.380.0030.07718.88
5.4.370.0130.07319.04
5.4.360.0130.07019.09
5.4.350.0230.07019.03
5.4.340.0200.06719.13
5.4.320.0070.08018.90
5.4.310.0100.07318.95
5.4.300.0030.07719.19
5.4.290.0070.07719.12
5.4.280.0030.04719.14
5.4.270.0170.06319.12
5.4.260.0100.07018.90
5.4.250.0030.05718.94
5.4.240.0130.04319.13
5.4.230.0000.08019.15
5.4.220.0070.07719.24
5.4.210.0100.04719.17
5.4.200.0070.06719.17
5.4.190.0070.06319.12
5.4.180.0070.05319.22
5.4.170.0100.07718.94
5.4.160.0030.05018.86
5.4.150.0170.06319.11
5.4.140.0030.05016.34
5.4.130.0100.07316.44
5.4.120.0030.07716.45
5.4.110.0100.06016.39
5.4.100.0100.07316.49
5.4.90.0000.06316.44
5.4.80.0030.08016.46
5.4.70.0100.07316.35
5.4.60.0070.07016.36
5.4.50.0000.05016.32
5.4.40.0170.06316.46
5.4.30.0000.06016.31
5.4.20.0170.04316.44
5.4.10.0030.03716.40
5.4.00.0070.04015.94
5.3.290.0070.07314.75
5.3.280.0030.05314.54
5.3.270.0100.05014.53
5.3.260.0100.06314.75
5.3.250.0030.04714.57
5.3.240.0130.06314.69
5.3.230.0130.05714.60
5.3.220.0100.05014.52
5.3.210.0100.07714.49
5.3.200.0030.08014.60
5.3.190.0070.03714.53
5.3.180.0030.05714.53
5.3.170.0070.06014.59
5.3.160.0130.07014.57
5.3.150.0070.05314.56
5.3.140.0130.06314.57
5.3.130.0000.05014.66
5.3.120.0000.05314.48
5.3.110.0030.05314.54
5.3.100.0000.08314.09
5.3.90.0100.04014.13
5.3.80.0070.06014.13
5.3.70.0030.07014.13
5.3.60.0030.04314.03
5.3.50.0130.06713.88
5.3.40.0030.05714.07
5.3.30.0000.04013.96
5.3.20.0070.06013.75
5.3.10.0030.03713.74
5.3.00.0070.07713.70
5.2.170.0030.06312.21
5.2.160.0070.06012.21
5.2.150.0030.03712.21
5.2.140.0070.04012.21
5.2.130.0030.04712.21
5.2.120.0030.04312.21
5.2.110.0100.03712.21
5.2.100.0000.07012.21
5.2.90.0070.06012.21
5.2.80.0030.03712.21
5.2.70.0030.03312.21
5.2.60.0030.03312.21
5.2.50.0000.06712.21
5.2.40.0070.04312.21
5.2.30.0000.07012.21
5.2.20.0000.06312.21
5.2.10.0000.06012.21
5.2.00.0000.06712.21
5.1.60.0100.05012.21
5.1.50.0100.05012.21
5.1.40.0100.04312.21
5.1.30.0030.06012.21
5.1.20.0130.03712.21
5.1.10.0070.05312.21
5.1.00.0030.04712.21
5.0.50.0000.04712.21
5.0.40.0030.02312.21
5.0.30.0070.05712.21
5.0.20.0030.02712.21
5.0.10.0030.04312.21
5.0.00.0070.06012.21
4.4.90.0000.03712.21
4.4.80.0030.03312.21
4.4.70.0000.04012.21
4.4.60.0030.02312.21
4.4.50.0030.03312.21
4.4.40.0000.04012.21
4.4.30.0000.02012.21
4.4.20.0000.02712.21
4.4.10.0030.03712.21
4.4.00.0000.05312.21
4.3.110.0070.03012.21
4.3.100.0030.03312.21
4.3.90.0030.02012.21
4.3.80.0000.05312.21
4.3.70.0030.03012.21
4.3.60.0000.02712.21
4.3.50.0030.01312.21
4.3.40.0000.02712.21
4.3.30.0030.02012.21
4.3.20.0000.03312.21
4.3.10.0030.02712.21
4.3.00.0000.03012.21

preferences:
36.46 ms | 401 KiB | 5 Q