3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (!defined('PHP_INT_MAX')) { $min = -1; do { $last = $min; } while(0 > $min <<= 1); define('PHP_INT_MIN', $last); define('PHP_INT_MAX', ~$last); } class Foo { function getBacktrace($firstLevel = 0, $count = PHP_INT_MAX) { $result = array(); foreach (debug_backtrace() as $level) { var_dump($level); } } function bar() { $this->getBacktrace(); } function baz() { Foo::getBacktrace(); } } $a = new Foo; $a->bar(); Foo::baz();

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
8.3.50.0080.01022.04
8.3.40.0040.01118.79
8.3.30.0070.00719.16
8.3.20.0040.00420.29
8.3.10.0040.00420.36
8.3.00.0080.00019.34
8.2.180.0040.01216.50
8.2.170.0110.00422.96
8.2.160.0160.00320.52
8.2.150.0110.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00422.24
8.2.110.0100.00720.87
8.2.100.0080.00417.84
8.2.90.0060.00319.34
8.2.80.0030.00517.97
8.2.70.0050.00517.63
8.2.60.0000.00918.04
8.2.50.0030.00618.10
8.2.40.0000.00820.38
8.2.30.0000.01020.91
8.2.20.0040.00417.62
8.2.10.0040.00418.07
8.2.00.0080.00017.68
8.1.280.0090.00625.92
8.1.270.0050.00323.71
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0110.00019.13
8.1.230.0040.00717.77
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0070.00017.70
8.1.180.0030.00518.10
8.1.170.0040.00418.71
8.1.160.0000.00718.76
8.1.150.0040.00418.93
8.1.140.0080.00317.39
8.1.130.0000.00717.82
8.1.120.0000.00717.42
8.1.110.0050.00317.48
8.1.100.0000.00717.44
8.1.90.0000.00717.34
8.1.80.0000.00817.39
8.1.70.0040.00417.35
8.1.60.0040.00417.61
8.1.50.0000.00817.55
8.1.40.0040.00417.52
8.1.30.0080.00017.59
8.1.20.0070.00017.54
8.1.10.0040.00417.45
8.1.00.0040.00417.54
8.0.300.0060.00618.77
8.0.290.0060.00316.63
8.0.280.0000.00718.43
8.0.270.0070.00017.26
8.0.260.0070.00017.18
8.0.250.0030.00317.05
8.0.240.0040.00417.06
8.0.230.0070.00016.90
8.0.220.0000.00716.96
8.0.210.0000.00816.90
8.0.200.0060.00016.96
8.0.190.0000.00816.91
8.0.180.0070.00016.84
8.0.170.0040.00417.02
8.0.160.0000.00716.91
8.0.150.0070.00016.83
8.0.140.0080.00016.80
8.0.130.0040.00413.32
8.0.120.0040.00416.94
8.0.110.0040.00416.95
8.0.100.0030.00516.92
8.0.90.0080.00016.84
8.0.80.0060.00916.94
8.0.70.0000.00717.07
8.0.60.0040.00416.81
8.0.50.0030.00517.00
8.0.30.0090.01117.15
8.0.20.0130.00617.40
8.0.10.0050.00217.10
8.0.00.0120.00616.65
7.4.330.0030.00315.08
7.4.320.0030.00316.63
7.4.300.0000.00616.62
7.4.290.0000.00716.57
7.4.280.0080.00316.68
7.4.270.0030.00316.50
7.4.260.0030.00316.49
7.4.250.0050.00216.48
7.4.240.0020.00516.58
7.4.230.0000.00816.35
7.4.220.0090.00916.70
7.4.210.0120.00316.58
7.4.200.0000.00716.61
7.4.160.0030.02016.39
7.4.150.0100.00917.40
7.4.140.0120.00617.86
7.4.130.0080.01016.49
7.4.120.0140.00616.47
7.4.110.0080.00816.43
7.4.100.0030.01416.50
7.4.90.0160.00616.48
7.4.80.0000.01618.80
7.4.70.0120.00616.55
7.4.60.0070.01016.60
7.4.50.0060.00316.74
7.4.40.0120.00616.49
7.4.30.0060.01216.56
7.4.00.0070.00615.08
7.3.330.0020.00413.36
7.3.320.0040.00413.23
7.3.310.0040.00416.25
7.3.300.0070.00016.21
7.3.290.0020.01716.34
7.3.280.0100.01016.35
7.3.270.0130.00817.40
7.3.260.0080.01116.37
7.3.250.0160.00516.39
7.3.240.0060.01216.58
7.3.230.0140.00316.53
7.3.210.0090.00916.34
7.3.200.0060.01619.39
7.3.190.0090.01516.24
7.3.180.0100.00716.34
7.3.170.0080.00816.38
7.3.160.0060.01216.43
7.3.120.0100.00714.99
7.3.110.0070.00714.73
7.3.100.0070.00714.65
7.3.90.0100.00014.96
7.3.80.0120.00314.92
7.3.70.0070.00714.57
7.3.60.0110.00414.86
7.3.50.0090.00614.85
7.3.40.0070.00714.88
7.3.30.0060.00914.68
7.3.20.0070.01016.65
7.3.10.0030.00616.65
7.3.00.0030.01016.53
7.2.330.0120.00916.67
7.2.320.0090.01216.60
7.2.310.0180.00016.79
7.2.300.0140.00616.42
7.2.290.0120.00916.69
7.2.250.0120.00915.07
7.2.240.0160.00315.00
7.2.230.0070.00714.68
7.2.220.0000.01115.27
7.2.210.0100.00615.37
7.2.200.0000.01015.14
7.2.190.0030.01314.91
7.2.180.0060.00615.06
7.2.170.0070.00715.17
7.2.60.0030.01016.86
7.2.00.0040.00819.17
7.1.330.0070.00715.76
7.1.320.0070.00315.68
7.1.310.0060.00615.92
7.1.300.0080.00315.76
7.1.290.0050.00615.66
7.1.280.0060.00615.77
7.1.270.0040.01115.56
7.1.260.0070.00715.77
7.1.200.0060.00615.60
7.1.100.0080.00418.34
7.1.70.0070.00317.13
7.1.60.0110.01419.32
7.1.50.0080.01217.00
7.1.00.0100.07022.43
7.0.200.0030.00516.76
7.0.140.0030.07321.93
7.0.60.0170.06719.95
7.0.50.0100.04317.99
7.0.40.0100.06020.15
7.0.30.0600.06720.11
7.0.20.0400.07020.12
7.0.10.0030.09020.07
7.0.00.0070.03720.24
5.6.280.0070.07321.11
5.6.210.0000.04720.48
5.6.200.0070.08718.23
5.6.190.0100.04720.55
5.6.180.0430.04320.63
5.6.170.0230.08020.54
5.6.160.0170.07720.45
5.6.150.0070.07718.19
5.6.140.0070.03718.16
5.6.130.0070.06018.18
5.6.120.0070.08020.80
5.6.110.0100.03721.14
5.6.100.0070.06720.99
5.6.90.0130.08020.88
5.6.80.0030.04020.54
5.5.350.0100.07720.39
5.5.340.0100.08017.98
5.5.330.0070.08320.21
5.5.320.0330.04320.42
5.5.310.0200.04320.19
5.5.300.0130.07318.02
5.5.290.0100.03317.96
5.5.280.0100.08320.88
5.5.270.0100.03720.96
5.5.260.0070.08720.68
5.5.250.0070.08720.79
5.5.240.0170.05720.13
5.4.450.0370.06719.63
5.4.440.0730.06719.60
5.4.430.1200.05019.55
5.4.420.0800.06719.60
5.4.410.0700.07019.41
5.4.400.0600.06019.06
5.4.390.0730.06718.96
5.4.380.0230.06018.48
5.4.370.0300.05718.75
5.4.360.0370.07018.64
5.4.350.0270.05718.79
5.4.340.0300.06718.76
5.4.320.0030.04012.50
5.4.310.0070.03712.50
5.4.300.0060.03712.51
5.4.290.0090.03512.50
5.4.280.0080.03312.40
5.4.270.0060.03812.39
5.4.260.0030.04012.39
5.4.250.0040.03912.39
5.4.240.0050.03712.40
5.4.230.0050.03912.39
5.4.220.0040.03812.39
5.4.210.0080.03712.39
5.4.200.0030.04112.39
5.4.190.0070.03712.39
5.4.180.0080.03612.38
5.4.170.0060.03612.39
5.4.160.0070.03812.39
5.4.150.0080.03512.39
5.4.140.0090.03512.07
5.4.130.0070.03512.06
5.4.120.0050.03612.02
5.4.110.0080.03412.02
5.4.100.0080.03312.02
5.4.90.0050.03712.02
5.4.80.0080.03412.01
5.4.70.0050.03812.02
5.4.60.0040.03612.02
5.4.50.0030.03812.02
5.4.40.0050.03512.00
5.4.30.0090.03312.00
5.4.20.0050.03712.00
5.4.10.0070.03512.00
5.4.00.0130.03711.48
5.3.290.0060.04012.80
5.3.280.0060.03812.71
5.3.270.0070.04012.73
5.3.260.0080.03912.72
5.3.250.0060.03712.72
5.3.240.0050.03712.71
5.3.230.0060.04412.71
5.3.220.0130.03312.68
5.3.210.0090.04312.68
5.3.200.0060.03712.68
5.3.190.0060.03812.67
5.3.180.0040.03812.67
5.3.170.0050.03812.66
5.3.160.0070.03512.67
5.3.150.0060.03712.68
5.3.140.0090.03812.66
5.3.130.0100.03912.65
5.3.120.0070.03712.66
5.3.110.0090.03612.65
5.3.100.0050.03712.13
5.3.90.0070.03612.11
5.3.80.0060.03712.10
5.3.70.0030.03912.09
5.3.60.0070.04112.08
5.3.50.0050.03712.03
5.3.40.0080.03512.03
5.3.30.0080.03211.99
5.3.20.0100.03111.77
5.3.10.0120.02911.73
5.3.00.0080.03511.72
5.2.170.0060.0299.22
5.2.160.0070.0299.22
5.2.150.0030.0319.22
5.2.140.0060.0349.22
5.2.130.0050.0349.18
5.2.120.0050.0299.18
5.2.110.0050.0299.19
5.2.100.0060.0279.18
5.2.90.0060.0279.18
5.2.80.0030.0319.19
5.2.70.0020.0329.18
5.2.60.0060.0309.13
5.2.50.0060.0289.10
5.2.40.0020.0319.08
5.2.30.0040.0339.06
5.2.20.0030.0299.04
5.2.10.0050.0278.95
5.2.00.0060.0278.82
5.1.60.0040.0248.09
5.1.50.0050.0248.09
5.1.40.0050.0248.07
5.1.30.0090.0228.43
5.1.20.0030.0308.44
5.1.10.0020.0288.17
5.1.00.0060.0248.17
5.0.50.0050.0196.64
5.0.40.0040.0186.50
5.0.30.0020.0326.32
5.0.20.0020.0206.29
5.0.10.0030.0206.27
5.0.00.0040.0306.25
4.4.90.0040.0144.78
4.4.80.0020.0164.76
4.4.70.0050.0134.76
4.4.60.0030.0154.75
4.4.50.0020.0214.77
4.4.40.0040.0334.71
4.4.30.0030.0154.75
4.4.20.0020.0164.84
4.4.10.0010.0174.85
4.4.00.0020.0254.76
4.3.110.0070.0134.67
4.3.100.0040.0144.67
4.3.90.0020.0154.63
4.3.80.0030.0244.58
4.3.70.0030.0204.63
4.3.60.0040.0134.63
4.3.50.0060.0124.63
4.3.40.0010.0254.54
4.3.30.0020.0163.31
4.3.20.0030.0213.29
4.3.10.0020.0163.25
4.3.00.0070.0206.98

preferences:
46.01 ms | 401 KiB | 5 Q