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 (array_slice(debug_backtrace(), 1 + $firstLevel) 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)
8.3.40.0120.00318.77
8.3.30.0110.00419.04
8.3.20.0080.00020.21
8.3.10.0030.00520.70
8.3.00.0040.00419.25
8.2.170.0110.00322.96
8.2.160.0000.01420.35
8.2.150.0070.00724.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00421.99
8.2.110.0170.00322.11
8.2.100.0080.00417.91
8.2.90.0030.00618.22
8.2.80.0000.00817.97
8.2.70.0080.00017.63
8.2.60.0080.00017.63
8.2.50.0030.00517.75
8.2.40.0050.00520.60
8.2.30.0080.00421.04
8.2.20.0000.00817.63
8.2.10.0040.00418.13
8.2.00.0080.00017.84
8.1.270.0090.00023.96
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.98
8.1.230.0040.00720.93
8.1.220.0080.00017.76
8.1.210.0040.00818.77
8.1.200.0080.00017.65
8.1.190.0050.00317.22
8.1.180.0050.00318.10
8.1.170.0000.00818.95
8.1.160.0030.00518.79
8.1.150.0000.00718.91
8.1.140.0030.00617.47
8.1.130.0060.00317.42
8.1.120.0040.00417.39
8.1.110.0030.00617.38
8.1.100.0070.00017.46
8.1.90.0000.00717.44
8.1.80.0020.00517.49
8.1.70.0070.00017.41
8.1.60.0000.00917.48
8.1.50.0050.00317.44
8.1.40.0040.00417.41
8.1.30.0040.00417.66
8.1.20.0000.00817.71
8.1.10.0050.00317.58
8.1.00.0000.00717.38
8.0.300.0000.00722.08
8.0.290.0050.00216.75
8.0.280.0030.00318.47
8.0.270.0050.00217.21
8.0.260.0080.00016.94
8.0.250.0030.00317.04
8.0.240.0030.00517.02
8.0.230.0040.00417.05
8.0.220.0040.00416.83
8.0.210.0000.00716.87
8.0.200.0000.00617.02
8.0.190.0030.00517.05
8.0.180.0040.00416.88
8.0.170.0040.00417.04
8.0.160.0040.00416.79
8.0.150.0000.00716.84
8.0.140.0030.00716.91
8.0.130.0060.00313.33
8.0.120.0040.00416.96
8.0.110.0000.00716.91
8.0.100.0000.00716.83
8.0.90.0070.00017.00
8.0.80.0040.01116.95
8.0.70.0000.00716.91
8.0.60.0000.00717.01
8.0.50.0030.00516.80
8.0.30.0090.01017.09
8.0.20.0110.00817.40
8.0.10.0000.00817.02
8.0.00.0080.00816.74
7.4.330.0020.00215.08
7.4.320.0030.00316.59
7.4.300.0030.00316.53
7.4.290.0030.00316.52
7.4.280.0060.00316.55
7.4.270.0050.00316.52
7.4.260.0080.00016.50
7.4.250.0000.00816.57
7.4.240.0020.00516.54
7.4.230.0000.00716.59
7.4.220.0090.01516.72
7.4.210.0100.01116.70
7.4.200.0030.00316.43
7.4.160.0180.00616.65
7.4.150.0230.00317.40
7.4.140.0130.00517.86
7.4.130.0120.00616.55
7.4.120.0110.00816.67
7.4.110.0090.00916.48
7.4.100.0080.01116.47
7.4.90.0030.02016.49
7.4.80.0060.01218.80
7.4.70.0120.00316.64
7.4.60.0070.01016.61
7.4.50.0040.00416.61
7.4.40.0090.00916.27
7.4.30.0130.00716.59
7.4.00.0080.00815.04
7.3.330.0060.00013.35
7.3.320.0000.00613.20
7.3.310.0030.00316.36
7.3.300.0070.00016.24
7.3.290.0060.00816.38
7.3.280.0110.00816.34
7.3.270.0110.00717.40
7.3.260.0110.00716.64
7.3.250.0080.01016.47
7.3.240.0100.01016.27
7.3.230.0210.00316.58
7.3.210.0060.01216.55
7.3.200.0040.01519.39
7.3.190.0070.01016.64
7.3.180.0120.00916.45
7.3.170.0130.00616.42
7.3.160.0060.01216.42
7.3.10.0030.01016.78
7.3.00.0070.01016.48
7.2.330.0090.00916.52
7.2.320.0140.00716.71
7.2.310.0150.00316.50
7.2.300.0120.01216.76
7.2.290.0060.00916.38
7.2.130.0080.00316.94
7.2.120.0070.00716.98
7.2.110.0140.00017.00
7.2.100.0040.01417.02
7.2.90.0060.00917.04
7.2.80.0120.00616.95
7.2.70.0100.00316.81
7.2.60.0100.00316.94
7.2.50.0030.00616.96
7.2.40.0040.01216.82
7.2.30.0030.00716.71
7.2.20.0060.00917.08
7.2.10.0080.00816.73
7.2.00.0060.00617.99
7.1.250.0040.01115.75
7.1.200.0000.01015.75
7.1.100.0030.00918.18
7.1.70.0040.00717.01
7.1.60.0060.01919.32
7.1.50.0030.00916.95
7.1.00.0070.07322.36
7.0.200.0040.00416.73
7.0.140.0030.07722.07
7.0.60.0370.06021.82
7.0.50.0030.04317.89
7.0.40.0200.07720.42
7.0.30.0270.05320.09
7.0.20.0200.06720.33
7.0.10.0130.08020.30
7.0.00.0000.04720.09
5.6.280.0000.07320.91
5.6.210.0030.07020.77
5.6.200.0100.07718.16
5.6.190.0070.04320.55
5.6.180.0170.08020.67
5.6.170.0400.07020.62
5.6.160.0070.04320.61
5.6.150.0100.06318.17
5.6.140.0070.08718.18
5.6.130.0170.06318.18
5.6.120.0070.07321.13
5.6.110.0170.06721.14
5.6.100.0070.07320.97
5.6.90.0100.06721.00
5.6.80.0100.08020.41
5.5.350.0230.08320.48
5.5.340.0000.04018.08
5.5.330.0100.08020.59
5.5.320.0330.08020.31
5.5.310.0370.06720.27
5.5.300.0030.09018.08
5.5.290.0100.04017.98
5.5.280.0030.04020.80
5.5.270.0070.08020.65
5.5.260.0030.04020.73
5.5.250.0070.08020.70
5.5.240.0200.08320.27
5.4.450.0470.03319.48
5.4.440.0430.06019.55
5.4.430.0500.05319.29
5.4.420.0330.05319.25
5.4.410.0530.04019.32
5.4.400.0370.05319.14
5.4.390.0230.07018.96
5.4.380.0100.04019.13
5.4.370.0300.04018.93
5.4.360.0430.04319.12
5.4.350.0400.03019.13
5.4.340.0330.03718.92
5.4.320.0330.03719.19
5.4.310.0270.04319.10
5.4.300.0370.03319.06
5.4.290.0230.04019.21
5.4.280.0300.06719.24
5.4.270.0370.03719.13
5.4.260.0200.05019.19
5.4.250.0200.05019.17
5.4.240.0170.03319.03
5.4.230.0230.04019.23
5.4.220.0230.03719.21
5.4.210.0170.04318.92
5.4.200.0200.03018.94
5.4.190.0170.03719.09
5.4.180.0170.03719.15
5.4.170.0170.03319.23
5.4.160.0200.03019.13
5.4.150.0170.03318.91
5.4.140.0170.03716.45
5.4.130.0200.04016.45
5.4.120.0230.03716.49
5.4.110.0200.03016.62
5.4.100.0130.04016.25
5.4.90.0130.04016.35
5.4.80.0200.03316.46
5.4.70.0200.03316.21
5.4.60.0170.03016.46
5.4.50.0100.04016.54
5.4.40.0170.03716.34
5.4.30.0270.02316.45
5.4.20.0130.03316.49
5.4.10.0100.04016.45
5.4.00.0170.03715.86
5.3.290.0370.05314.67
5.3.280.0170.04314.53
5.3.270.0130.03714.68
5.3.260.0170.04014.76
5.3.250.0130.03714.64
5.3.240.0170.04014.69
5.3.230.0200.03714.65
5.3.220.0170.03714.57
5.3.210.0100.03014.63
5.3.200.0200.03014.65
5.3.190.0170.03314.61
5.3.180.0130.03714.50
5.3.170.0130.03714.58
5.3.160.0130.03714.58
5.3.150.0170.03314.60
5.3.140.0100.04014.61
5.3.130.0130.03714.59
5.3.120.0130.03714.60
5.3.110.0130.03714.61
5.3.100.0170.03714.04
5.3.90.0070.04714.18
5.3.80.0170.03314.04
5.3.70.0200.03014.06
5.3.60.0100.03713.89
5.3.50.0130.03713.99
5.3.40.0230.04313.95
5.3.30.0170.03313.84
5.3.20.0130.03713.70
5.3.10.0230.06713.63
5.3.00.0170.03713.64
5.2.170.0130.03711.07
5.2.160.0100.05711.04
5.2.150.0070.05311.15
5.2.140.0130.03711.15
5.2.130.0170.02011.16
5.2.120.0070.03011.12
5.2.110.0100.03011.15
5.2.100.0170.05011.07
5.2.90.0200.05311.07
5.2.80.0130.06711.07
5.2.70.0100.04011.11
5.2.60.0070.03310.97
5.2.50.0170.06011.03
5.2.40.0130.03311.04
5.2.30.0170.05711.03
5.2.20.0170.02310.92
5.2.10.0170.03010.91
5.2.00.0130.02310.70
5.1.60.0030.03010.70
5.1.50.0030.03010.70
5.1.40.0070.03010.70
5.1.30.0130.03010.70
5.1.20.0130.04310.70
5.1.10.0100.05710.70
5.1.00.0070.02710.70
5.0.50.0070.02310.70
5.0.40.0030.02310.70
5.0.30.0070.04310.70
5.0.20.0070.01710.70
5.0.10.0000.02310.70
5.0.00.0100.03710.70
4.4.90.0070.01310.70
4.4.80.0000.03310.70
4.4.70.0030.01710.70
4.4.60.0100.01310.70
4.4.50.0130.02710.70
4.4.40.0070.02710.70
4.4.30.0030.01710.70
4.4.20.0070.02010.70
4.4.10.0070.01710.70
4.4.00.0070.02710.70
4.3.110.0070.03710.70
4.3.100.0030.01710.70
4.3.90.0130.00710.70
4.3.80.0030.02710.70
4.3.70.0100.01310.70
4.3.60.0030.01710.70
4.3.50.0030.02010.70
4.3.40.0070.02710.70
4.3.30.0030.01710.70
4.3.20.0000.01710.70
4.3.10.0030.03710.70
4.3.00.0100.01010.70

preferences:
48.8 ms | 400 KiB | 5 Q