3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = exec("dmesg"); print $x; ?>

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)
8.3.60.0110.01116.50
8.3.50.0210.01017.44
8.3.40.0150.00018.79
8.3.30.0160.00318.67
8.3.20.0090.00018.65
8.3.10.0090.00018.65
8.3.00.0030.00619.51
8.2.180.0180.00418.67
8.2.170.0180.00019.09
8.2.160.0100.00422.96
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00021.13
8.2.110.0050.00521.09
8.2.100.0110.00017.91
8.2.90.0030.00619.35
8.2.80.0060.00319.40
8.2.70.0000.00817.50
8.2.60.0000.00917.93
8.2.50.0050.00318.07
8.2.40.0000.00718.02
8.2.30.0100.00018.14
8.2.20.0030.00617.61
8.2.10.0000.00717.73
8.2.00.0000.00817.71
8.1.280.0170.00425.92
8.1.270.0050.00324.66
8.1.260.0060.00326.35
8.1.250.0000.00928.09
8.1.240.0090.00022.51
8.1.230.0060.00620.95
8.1.220.0040.00417.74
8.1.210.0040.00419.03
8.1.200.0090.00017.38
8.1.190.0000.00817.40
8.1.180.0000.00818.10
8.1.170.0000.00818.84
8.1.160.0070.00018.75
8.1.150.0000.00718.54
8.1.140.0040.00417.44
8.1.130.0040.00417.95
8.1.120.0030.00717.29
8.1.110.0000.00817.43
8.1.100.0040.00417.42
8.1.90.0080.00017.46
8.1.80.0050.00217.29
8.1.70.0040.00417.40
8.1.60.0070.00417.54
8.1.50.0000.00817.30
8.1.40.0040.00417.47
8.1.30.0060.00317.65
8.1.20.0000.00817.59
8.1.10.0080.00017.55
8.1.00.0040.00417.48
8.0.300.0000.00719.89
8.0.290.0050.00316.88
8.0.280.0030.00318.43
8.0.270.0080.00017.29
8.0.260.0030.00318.41
8.0.250.0000.00717.02
8.0.240.0040.00416.89
8.0.230.0000.00716.98
8.0.220.0030.00316.90
8.0.210.0070.00016.77
8.0.200.0060.00016.80
8.0.190.0080.00016.87
8.0.180.0080.00216.81
8.0.170.0000.00916.91
8.0.160.0000.00816.76
8.0.150.0000.00916.84
8.0.140.0080.00316.71
8.0.130.0000.00613.27
8.0.120.0050.00316.74
8.0.110.0040.00416.88
8.0.100.0040.00416.91
8.0.90.0000.00716.81
8.0.80.0130.00416.82
8.0.70.0040.00416.90
8.0.60.0000.00716.75
8.0.50.0040.00416.89
8.0.30.0040.01516.94
8.0.20.0120.00716.79
8.0.10.0000.00817.07
8.0.00.0120.01116.62
7.4.330.0000.00512.89
7.4.320.0070.00016.57
7.4.300.0060.00016.43
7.4.290.0040.00416.45
7.4.280.0000.00816.54
7.4.270.0030.00316.46
7.4.260.0020.00313.20
7.4.250.0040.00516.41
7.4.240.0020.00516.49
7.4.230.0030.00316.56
7.4.220.0090.01016.48
7.4.210.0070.00916.41
7.4.200.0050.00316.37
7.4.190.0000.00716.48
7.4.160.0110.00416.50
7.4.150.0060.01216.70
7.4.140.0080.00916.43
7.4.130.0080.00916.37
7.4.120.0060.01416.34
7.4.110.0060.01216.48
7.4.100.0070.01116.43
7.4.90.0060.01316.49
7.4.80.0130.01019.39
7.4.70.0130.01016.44
7.4.60.0110.00716.45
7.4.50.0040.01016.52
7.4.40.0030.01316.10
7.4.30.0080.00816.55
7.4.00.0090.00914.70
7.3.330.0040.00513.16
7.3.320.0040.00213.19
7.3.310.0000.00716.34
7.3.300.0030.00316.24
7.3.290.0090.00616.28
7.3.280.0130.00316.26
7.3.270.0130.00416.46
7.3.260.0130.00416.35
7.3.250.0110.00916.32
7.3.240.0090.01016.41
7.3.230.0180.00016.16
7.3.210.0080.01216.32
7.3.200.0070.01116.28
7.3.190.0070.01416.28
7.3.180.0130.01016.18
7.3.170.0060.01216.21
7.3.160.0080.00916.31
7.3.120.0100.00714.79
7.2.330.0150.00416.43
7.2.320.0070.01816.43
7.2.310.0080.01216.67
7.2.300.0030.01416.45
7.2.290.0070.01416.27
7.2.00.0060.00619.44
7.1.200.0000.01415.68
7.1.100.0000.01618.09
7.1.70.0070.00316.94
7.1.60.0200.00619.40
7.1.50.0060.00616.71
7.1.00.0000.07722.44
7.0.200.0030.00616.60
7.0.140.0000.07722.09
7.0.120.0030.07322.18
7.0.60.0230.07719.85
7.0.50.0070.05717.79
7.0.40.0300.05720.21
7.0.30.0270.08720.24
7.0.20.0330.07320.11
7.0.10.0330.07720.10
7.0.00.0300.08020.12
5.6.280.0070.07321.14
5.6.210.0130.08020.52
5.6.200.0170.07018.23
5.6.190.0330.06720.41
5.6.180.0400.07020.61
5.6.170.0270.07320.39
5.6.160.0330.07720.67
5.6.150.0330.07720.18
5.6.140.0300.07320.37
5.6.130.0330.07320.11
5.6.120.0330.07020.43
5.6.110.0400.06720.30
5.6.100.0270.04320.45
5.6.90.0430.07020.41
5.6.80.0200.04719.71
5.6.70.0200.04019.65
5.6.60.0230.04019.81
5.6.50.0170.04319.50
5.6.40.0130.04719.68
5.6.30.0330.05319.72
5.6.20.0200.04019.63
5.6.10.0200.04019.73
5.6.00.0270.04019.52
5.5.350.3800.04320.42
5.5.340.0070.08717.98
5.5.330.0370.03720.40
5.5.320.0330.08020.57
5.5.310.0370.07720.28
5.5.300.0330.07720.17
5.5.290.0270.06720.23
5.5.280.0330.08020.23
5.5.270.0330.07719.90
5.5.260.0330.07320.13
5.5.250.0370.07719.72
5.5.240.0200.04019.53
5.5.230.0170.04719.34
5.5.220.0130.04319.55
5.5.210.0170.04019.58
5.5.200.0230.03319.57
5.5.190.0230.04319.49
5.5.180.0170.05319.48
5.5.160.0230.03719.47
5.5.150.0230.03719.32
5.5.140.0200.04019.33
5.5.130.0130.04319.27
5.5.120.0200.04019.58
5.5.110.0230.03319.27
5.5.100.0230.04019.23
5.5.90.0170.04019.16
5.5.80.0170.04019.43
5.5.70.0200.03719.48
5.5.60.0200.03719.47
5.5.50.0200.03719.18
5.5.40.0230.03319.20
5.5.30.0230.03719.36
5.5.20.0200.03719.25
5.5.10.0200.06719.43
5.5.00.0300.06319.47
5.4.450.0370.03719.47
5.4.440.0300.05719.12
5.4.430.0270.05019.41
5.4.420.0330.07319.23
5.4.410.0330.06319.27
5.4.400.0200.03718.93
5.4.390.0270.03018.80
5.4.380.0270.03719.18
5.4.370.0170.04019.14
5.4.360.0200.04018.79
5.4.350.0270.06019.11
5.4.340.0130.04319.22
5.4.320.0130.05018.82
5.4.310.0170.04319.14
5.4.300.0270.03019.08
5.4.290.0170.04019.11
5.4.280.0200.03718.92
5.4.270.0230.03318.79
5.4.260.0300.02319.18
5.4.250.0170.04019.17
5.4.240.0170.04319.14
5.4.230.0230.04018.92
5.4.220.0270.03018.93
5.4.210.0170.03719.13
5.4.200.0200.03319.18
5.4.190.0230.03019.07
5.4.180.0230.03018.78
5.4.170.0200.04018.80
5.4.160.0200.07019.07
5.4.150.0230.03318.77
5.4.140.0130.04016.37
5.4.130.0230.07016.40
5.4.120.0230.05316.43
5.4.110.0300.05716.23
5.4.100.0300.06716.43
5.4.90.0200.05016.35
5.4.80.0300.04316.32
5.4.70.0330.06716.39
5.4.60.0300.06316.38
5.4.50.0300.05016.40
5.4.40.0230.06016.29
5.4.30.0230.07316.41
5.4.20.0270.04016.29
5.4.10.0270.03716.27
5.4.00.0200.08315.80
5.3.290.0230.03314.56
5.3.280.0200.04014.53
5.3.270.0230.04714.59
5.3.260.0200.03714.59
5.3.250.0170.03714.56
5.3.240.0230.07014.59
5.3.230.0200.07014.52
5.3.220.0330.06714.49
5.3.210.0300.07314.36
5.3.200.0370.04714.39
5.3.190.0230.07014.53
5.3.180.0330.06714.53
5.3.170.0370.06014.50
5.3.160.0370.06314.50
5.3.150.0370.07314.50
5.3.140.0400.06014.49
5.3.130.0370.07714.53
5.3.120.0270.04014.64
5.3.110.0300.03314.48
5.3.100.0300.07313.98
5.3.90.0300.05713.96
5.3.80.0300.05014.03
5.3.70.0400.05713.97
5.3.60.0300.06314.04
5.3.50.0270.04713.79
5.3.40.0300.03713.87
5.3.30.0330.03714.00
5.3.20.0330.05013.48
5.3.10.0230.05713.49
5.3.00.0300.07013.46
5.2.170.0300.05713.29
5.2.160.0300.03313.29
5.2.150.0300.03313.29
5.2.140.0330.04713.29
5.2.130.0230.06013.29
5.2.120.0400.04013.29
5.2.110.0200.03713.29
5.2.100.0270.04713.29
5.2.90.0370.04313.29
5.2.80.0300.04313.29
5.2.70.0300.05313.29
5.2.60.0200.05713.29
5.2.50.0230.04013.29
5.2.40.0230.05313.29
5.2.30.0230.05013.29
5.2.20.0230.03713.29
5.2.10.0270.04313.29
5.2.00.0170.03013.29
5.1.60.0230.05013.29
5.1.50.0200.04713.29
5.1.40.0330.05013.29
5.1.30.0200.05013.29
5.1.20.0170.03013.29
5.1.10.0200.05713.29
5.1.00.0200.04713.29
5.0.50.0100.03013.29
5.0.40.0170.01713.29
5.0.30.0070.05713.29
5.0.20.0200.02013.29
5.0.10.0100.04013.29
5.0.00.0170.06013.29
4.4.90.0100.02313.29
4.4.80.0100.03313.29
4.4.70.0170.03013.29
4.4.60.0100.02013.29
4.4.50.0130.03013.29
4.4.40.0100.05713.29
4.4.30.0070.03713.29
4.4.20.0100.03713.29
4.4.10.0100.03313.29
4.4.00.0070.05013.29
4.3.110.0070.03313.29
4.3.100.0100.02013.29
4.3.90.0200.02313.29
4.3.80.0070.05313.29
4.3.70.0070.02313.29
4.3.60.0170.03013.29
4.3.50.0130.02313.29
4.3.40.0100.04713.29
4.3.30.0030.03013.29
4.3.20.0030.03013.29
4.3.10.0030.02313.29
4.3.00.0070.02313.29

preferences:
42.21 ms | 401 KiB | 5 Q