3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f(int $a, int $b = null, int $c = null) { error_log(json_encode([$a, $b, $c])); error_log(json_encode(func_get_args())); } function changeF($code, $str) { preg_match('/^Argument (\\d+) /', $str, $m); $i = $m[1]-1; $bt = debug_backtrace(null, 2); if (count($bt[1]['args']) > $i+1) { ++$bt[1]['args'][$i+1]; } return true; } set_error_handler('changeF', E_ALL); f(3, 2, 1);

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)
8.3.60.0100.00716.63
8.3.50.0100.00822.84
8.3.40.0090.00618.82
8.3.30.0120.00419.18
8.3.20.0080.00020.29
8.3.10.0000.00723.82
8.3.00.0090.00019.51
8.2.180.0140.00716.63
8.2.170.0110.00422.96
8.2.160.0100.00320.39
8.2.150.0030.00624.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00020.97
8.2.110.0000.00822.08
8.2.100.0000.01218.09
8.2.90.0060.00319.17
8.2.80.0000.00817.97
8.2.70.0030.00517.38
8.2.60.0000.00817.93
8.2.50.0030.00518.07
8.2.40.0000.00818.22
8.2.30.0080.00018.09
8.2.20.0040.00417.69
8.2.10.0000.00718.05
8.2.00.0070.00017.59
8.1.280.0070.01425.92
8.1.270.0040.01224.02
8.1.260.0070.00026.35
8.1.250.0050.00228.09
8.1.240.0040.00423.71
8.1.230.0060.00619.21
8.1.220.0030.00517.76
8.1.210.0080.00018.77
8.1.200.0070.00317.23
8.1.190.0000.00817.23
8.1.180.0030.00518.10
8.1.170.0040.00418.57
8.1.160.0020.00521.96
8.1.150.0050.00318.86
8.1.140.0050.00217.39
8.1.130.0000.00717.81
8.1.120.0050.00317.44
8.1.110.0040.00417.45
8.1.100.0070.00017.37
8.1.90.0080.00017.43
8.1.80.0000.00717.34
8.1.70.0030.00317.36
8.1.60.0000.00817.41
8.1.50.0050.00317.37
8.1.40.0040.00417.46
8.1.30.0000.00917.66
8.1.20.0040.00417.62
8.1.10.0000.00717.41
8.1.00.0050.00317.39
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0040.00418.50
8.0.270.0030.00317.20
8.0.260.0000.00817.20
8.0.250.0000.00717.03
8.0.240.0030.00316.85
8.0.230.0030.00316.94
8.0.220.0030.00316.83
8.0.210.0000.00716.86
8.0.200.0030.00516.85
8.0.190.0000.00816.98
8.0.180.0000.00716.89
8.0.170.0000.00816.98
8.0.160.0000.00716.95
8.0.150.0070.00016.82
8.0.140.0070.00016.86
8.0.130.0000.00513.37
8.0.120.0000.00716.90
8.0.110.0000.00716.75
8.0.100.0030.00516.77
8.0.90.0000.00816.96
8.0.80.0070.00716.96
8.0.70.0000.00716.96
8.0.60.0040.00416.71
8.0.50.0040.00416.79
8.0.30.0130.00717.21
8.0.20.0140.00817.40
8.0.10.0040.00416.95
8.0.00.0080.01016.67
7.4.330.0050.00015.03
7.4.320.0000.00716.45
7.4.300.0000.00716.55
7.4.290.0000.00716.43
7.4.280.0030.00516.49
7.4.270.0070.00016.47
7.4.260.0040.00716.50
7.4.250.0040.00416.36
7.4.240.0050.00216.43
7.4.230.0000.00716.30
7.4.220.0120.00616.33
7.4.210.0030.01016.62
7.4.200.0030.00316.53
7.4.160.0130.00316.39
7.4.150.0170.00317.40
7.4.140.0090.01117.86
7.4.130.0110.00616.32
7.4.120.0080.01116.47
7.4.110.0060.01416.55
7.4.100.0140.00416.63
7.4.90.0090.00916.45
7.4.80.0130.00719.39
7.4.70.0060.01216.71
7.4.60.0110.00716.35
7.4.50.0050.00216.60
7.4.40.0110.00416.61
7.4.30.0130.01016.44
7.4.00.0070.01015.13
7.3.330.0000.00613.25
7.3.320.0040.00413.11
7.3.310.0000.00716.40
7.3.300.0070.00016.32
7.3.290.0090.00616.32
7.3.280.0080.00616.28
7.3.270.0100.01417.40
7.3.260.0100.00716.34
7.3.250.0080.01016.57
7.3.240.0070.01016.41
7.3.230.0130.00316.48
7.3.210.0090.00916.23
7.3.200.0150.00019.39
7.3.190.0080.00816.23
7.3.180.0100.00716.44
7.3.170.0040.01316.50
7.3.160.0120.00616.38
7.2.330.0070.01216.77
7.2.320.0030.01416.67
7.2.310.0090.00916.69
7.2.300.0090.00816.36
7.2.290.0130.00716.73
7.2.60.0060.00916.88
7.2.00.0030.01219.15
7.1.200.0060.00915.73
7.1.100.0280.00417.34
7.1.70.0000.00717.03
7.1.60.0130.01019.40
7.1.50.0140.00016.72
7.1.00.0130.06722.46
7.0.200.0060.00315.93
7.0.140.0070.09321.98
7.0.90.0100.04019.87
7.0.80.0030.06320.11
7.0.70.0070.05019.83
7.0.60.0070.04319.84
7.0.50.0130.07720.41
7.0.40.0100.07720.19
7.0.30.0070.07720.13
7.0.20.0070.07020.08
7.0.10.0030.08320.07
7.0.00.0030.08720.03
5.6.240.0130.07020.62
5.6.230.0070.06320.64
5.6.220.0030.07320.69
5.6.210.0130.04720.39
5.6.200.0130.08021.12
5.6.190.0170.06720.93
5.6.180.0100.05020.97
5.6.170.0030.08020.90
5.6.160.0070.08721.07
5.6.150.0000.08721.05
5.6.140.0070.04721.11
5.6.130.0100.08021.07
5.6.120.0070.07721.00
5.6.110.0030.08021.06
5.6.100.0130.07321.13
5.6.90.0030.07321.00
5.6.80.0030.05720.50
5.6.70.0100.07020.32
5.6.60.0100.07720.39
5.6.50.0070.08020.33
5.6.40.0070.08020.54
5.6.30.0070.04720.39
5.6.20.0130.06720.40
5.6.10.0130.07320.31
5.6.00.0100.07320.29
5.5.380.0100.07320.38
5.5.370.0130.05020.45
5.5.360.0130.08020.34
5.5.350.0030.05720.40
5.5.340.0030.05320.81
5.5.330.0130.06320.80
5.5.320.0070.04320.82
5.5.310.0030.08020.92
5.5.300.0070.04720.94
5.5.290.0130.08320.88
5.5.280.0070.08020.80
5.5.270.0000.05720.73
5.5.260.0070.07720.77
5.5.250.0100.07320.64
5.5.240.0070.07720.04
5.5.230.0030.07320.20
5.5.220.0030.05020.31
5.5.210.0200.03320.25
5.5.200.0070.07720.13
5.5.190.0070.07320.24
5.5.180.0070.08320.20
5.5.160.0100.06720.24
5.5.150.0130.07020.27
5.5.140.0130.06320.15
5.5.130.0100.05320.25
5.5.120.0230.05720.21
5.5.110.0000.05020.21
5.5.100.0030.06720.14
5.5.90.0070.07320.10
5.5.80.0030.07020.02
5.5.70.0130.04320.07
5.5.60.0070.08020.02
5.5.50.0030.04320.06
5.5.40.0100.07320.06
5.5.30.0070.07720.06
5.5.20.0000.05020.06
5.5.10.0200.06720.06
5.5.00.0000.08719.97
5.4.450.0070.04719.47
5.4.440.0100.08319.29
5.4.430.0030.04019.45
5.4.420.0000.08319.44
5.4.410.0030.08019.07
5.4.400.0100.07718.95
5.4.390.0030.05718.90
5.4.380.0030.07719.16
5.4.370.0000.07019.03
5.4.360.0100.05319.09
5.4.350.0130.04319.05
5.4.340.0070.06718.84
5.4.320.0100.08018.95
5.4.310.0100.06018.90
5.4.300.0030.08019.16
5.4.290.0070.07019.03
5.4.280.0100.04019.18
5.4.270.0030.07719.18
5.4.260.0130.06719.03
5.4.250.0030.07719.17
5.4.240.0070.04719.11
5.4.230.0030.08019.02
5.4.220.0200.07019.08
5.4.210.0070.03719.03
5.4.200.0070.03718.89
5.4.190.0100.07319.04
5.4.180.0000.04019.03
5.4.170.0070.08319.04
5.4.160.0100.06318.88
5.4.150.0100.07018.88
5.4.140.0070.07316.42
5.4.130.0070.07316.34
5.4.120.0100.04016.36
5.4.110.0030.05016.45
5.4.100.0030.04016.50
5.4.90.0100.03716.46
5.4.80.0030.04716.38
5.4.70.0070.07016.41
5.4.60.0070.07016.34
5.4.50.0030.07016.48
5.4.40.0130.07016.52
5.4.30.0070.04316.48
5.4.20.0030.03716.27
5.4.10.0070.07016.43
5.4.00.0000.07715.84
5.3.290.0100.07014.79
5.3.280.0070.07314.71
5.3.270.0100.07314.57
5.3.260.0070.06714.57
5.3.250.0000.05314.66
5.3.240.0100.05014.70
5.3.230.0070.07714.69
5.3.220.0070.07714.68
5.3.210.0230.06014.63
5.3.200.0000.06314.63
5.3.190.0100.07014.64
5.3.180.0070.07314.53
5.3.170.0100.06314.68
5.3.160.0070.05014.49
5.3.150.0070.07314.70
5.3.140.0030.05314.61
5.3.130.0030.04714.52
5.3.120.0030.04014.61
5.3.110.0100.08014.69
5.3.100.0100.07014.02
5.3.90.0070.05713.97
5.3.80.0000.04313.95
5.3.70.0130.06313.94
5.3.60.0030.07013.90
5.3.50.0030.05314.01
5.3.40.0130.06314.05
5.3.30.0000.07713.97
5.3.20.0070.07313.67
5.3.10.0100.05713.59
5.3.00.0000.05713.69
5.2.170.0070.05711.20
5.2.160.0030.06711.02
5.2.150.0030.03711.13
5.2.140.0030.06711.06
5.2.130.0000.04011.16
5.2.120.0100.05311.15
5.2.110.0030.06311.18
5.2.100.0000.05011.03
5.2.90.0070.05311.24
5.2.80.0070.05711.14
5.2.70.0070.06010.99
5.2.60.0030.03711.15
5.2.50.0070.06011.12
5.2.40.0000.04311.08
5.2.30.0070.06010.88
5.2.20.0030.05310.89
5.2.10.0070.06010.80
5.2.00.0030.05710.58
5.1.60.0070.04010.07
5.1.50.0000.04710.03
5.1.40.0030.03310.01
5.1.30.0030.05310.45
5.1.20.0030.05310.29
5.1.10.0030.05710.11
5.1.00.0030.04010.14
5.0.50.0030.0478.61
5.0.40.0030.0378.40
5.0.30.0070.0608.25
5.0.20.0070.0378.29
5.0.10.0030.0478.05
5.0.00.0030.0678.25
4.4.90.0000.0276.86
4.4.80.0000.0206.86
4.4.70.0000.0206.86
4.4.60.0000.0406.86
4.4.50.0000.0306.86
4.4.40.0030.0536.86
4.4.30.0030.0336.86
4.4.20.0070.0276.86
4.4.10.0000.0336.86
4.4.00.0070.0436.86
4.3.110.0070.0306.86
4.3.100.0030.0336.86
4.3.90.0000.0376.86
4.3.80.0100.0476.86
4.3.70.0000.0236.86
4.3.60.0070.0206.86
4.3.50.0030.0306.86
4.3.40.0030.0506.86
4.3.30.0000.0376.86
4.3.20.0000.0376.86
4.3.10.0030.0276.86
4.3.00.0030.0206.86

preferences:
42.6 ms | 401 KiB | 5 Q