3v4l.org

run code in 300+ PHP versions simultaneously
<?php $value = null; system('ls -l', $value); var_dump($value);

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)
8.3.60.0060.00918.43
8.3.50.0060.01022.05
8.3.40.0090.00618.84
8.3.30.0120.00418.85
8.3.20.0040.00418.73
8.3.10.0030.00519.41
8.3.00.0050.00321.85
8.2.180.0140.00716.75
8.2.170.0120.00322.96
8.2.160.0070.00720.34
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0080.00020.99
8.2.110.0030.00620.41
8.2.100.0000.01217.91
8.2.90.0000.00819.21
8.2.80.0000.00817.97
8.2.70.0080.00417.38
8.2.60.0000.00817.90
8.2.50.0080.00018.07
8.2.40.0060.00318.09
8.2.30.0040.00417.96
8.2.20.0050.00317.70
8.2.10.0040.00417.76
8.2.00.0030.00617.82
8.1.280.0040.01125.92
8.1.270.0040.00523.99
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00322.46
8.1.230.0080.00421.03
8.1.220.0060.00318.77
8.1.210.0050.00318.79
8.1.200.0040.00417.23
8.1.190.0050.00317.53
8.1.180.0000.00818.10
8.1.170.0060.00318.54
8.1.160.0000.00718.80
8.1.150.0040.00418.56
8.1.140.0040.00417.44
8.1.130.0070.00017.80
8.1.120.0000.00717.40
8.1.110.0040.00417.36
8.1.100.0040.00417.51
8.1.90.0000.00817.46
8.1.80.0000.00817.47
8.1.70.0030.00317.44
8.1.60.0050.00317.45
8.1.50.0040.00417.34
8.1.40.0040.00417.43
8.1.30.0000.00817.61
8.1.20.0060.00317.52
8.1.10.0050.00317.66
8.1.00.0070.00017.52
8.0.300.0020.00519.85
8.0.290.0070.00017.05
8.0.280.0040.00418.35
8.0.270.0030.00517.16
8.0.260.0050.00316.87
8.0.250.0020.00516.86
8.0.240.0050.00616.75
8.0.230.0070.00016.85
8.0.220.0070.00016.91
8.0.210.0000.00716.79
8.0.200.0030.00316.82
8.0.190.0000.00817.02
8.0.180.0030.00516.95
8.0.170.0000.00816.84
8.0.160.0000.00716.91
8.0.150.0040.00416.71
8.0.140.0060.00316.91
8.0.130.0030.00313.25
8.0.120.0000.00716.87
8.0.110.0000.00816.71
8.0.100.0000.00716.78
8.0.90.0070.00016.71
8.0.80.0120.00316.79
8.0.70.0050.00316.71
8.0.60.0040.00416.93
8.0.50.0000.00716.76
8.0.30.0090.01117.14
8.0.20.0140.00817.40
8.0.10.0000.00817.04
8.0.00.0100.00916.69
7.4.330.0050.00014.71
7.4.320.0000.00716.45
7.4.300.0040.00416.47
7.4.290.0050.00316.45
7.4.280.0040.00416.41
7.4.270.0030.00316.60
7.4.260.0000.00613.18
7.4.250.0030.00416.29
7.4.240.0000.00816.43
7.4.230.0000.00716.27
7.4.220.0120.00716.35
7.4.210.0060.01016.49
7.4.200.0000.00716.34
7.4.190.0000.00716.57
7.4.160.0110.00416.56
7.4.150.0100.00717.40
7.4.140.0040.01417.86
7.4.130.0100.01016.47
7.4.120.0100.00716.51
7.4.110.0070.01416.44
7.4.100.0090.00916.54
7.4.90.0180.00016.32
7.4.80.0090.00919.37
7.4.70.0070.01516.49
7.4.60.0100.00716.40
7.4.50.0000.00916.31
7.4.40.0100.00522.52
7.4.30.0040.01416.45
7.4.00.0070.01014.73
7.3.330.0020.00313.16
7.3.320.0020.00213.03
7.3.310.0030.00516.29
7.3.300.0070.00016.21
7.3.290.0090.01016.24
7.3.280.0020.01416.19
7.3.270.0150.00317.40
7.3.260.0100.00718.24
7.3.250.0050.01616.38
7.3.240.0050.01816.19
7.3.230.0140.00316.39
7.3.210.0130.00816.18
7.3.200.0040.01619.39
7.3.190.0120.00316.17
7.3.180.0040.01216.27
7.3.170.0070.01016.27
7.3.160.0100.00716.24
7.3.120.0030.01414.95
7.2.330.0110.00716.46
7.2.320.0130.00716.32
7.2.310.0150.00616.24
7.2.300.0070.01016.44
7.2.290.0060.01316.39
7.2.00.0060.01018.87
7.1.100.0030.00917.84
7.1.70.0040.00417.20
7.1.60.0070.01519.40
7.1.50.0160.01016.99
7.1.00.0070.05722.48
7.0.200.0080.00016.84
7.0.140.0000.07722.09
7.0.70.0130.06021.60
7.0.60.0030.09021.61
7.0.50.0000.08722.18
7.0.40.0030.08020.13
7.0.30.0100.08320.03
7.0.20.0070.08020.17
7.0.10.0100.07720.09
7.0.00.0030.08320.03
5.6.280.0030.07721.07
5.6.220.0130.06720.60
5.6.210.0070.08020.54
5.6.200.0100.07321.04
5.6.190.0030.08021.03
5.6.180.0070.04321.02
5.6.170.0070.08321.05
5.6.160.0030.06021.07
5.6.150.0100.06720.99
5.6.140.0070.07721.16
5.6.130.0030.08321.09
5.6.120.0000.08021.01
5.6.110.0070.06721.11
5.6.100.0100.07321.14
5.6.90.0070.09020.98
5.6.80.0070.07720.40
5.6.70.0030.08020.44
5.6.60.0070.07320.53
5.6.50.0000.08320.37
5.6.40.0100.07020.30
5.6.30.0070.07020.35
5.6.20.0030.05720.41
5.6.10.0100.06720.40
5.6.00.0030.06320.46
5.5.360.0030.06320.41
5.5.350.0030.08320.41
5.5.340.0100.04720.78
5.5.330.0030.07020.91
5.5.320.0030.04320.89
5.5.310.0100.07320.89
5.5.300.0030.08720.79
5.5.290.0170.03320.86
5.5.280.0000.06320.89
5.5.270.0000.07020.80
5.5.260.0030.08320.80
5.5.250.0100.07320.67
5.5.240.0100.07020.26
5.5.230.0030.08320.14
5.5.220.0030.08020.09
5.5.210.0000.05320.17
5.5.200.0030.07720.17
5.5.190.0030.08320.12
5.5.180.0070.08020.23
5.5.160.0100.05320.24
5.5.150.0070.08020.23
5.5.140.0070.07720.07
5.5.130.0030.07320.07
5.5.120.0070.07320.24
5.5.110.0030.07020.21
5.5.100.0000.08720.14
5.5.90.0030.07720.05
5.5.80.0070.06720.10
5.5.70.0030.07720.04
5.5.60.0030.07020.05
5.5.50.0030.04720.08
5.5.40.0030.06720.03
5.5.30.0100.06720.04
5.5.20.0130.07320.13
5.5.10.0030.08319.96
5.5.00.0070.07020.02
5.4.450.0100.07019.44
5.4.440.0070.06719.13
5.4.430.0030.08019.45
5.4.420.0070.05719.41
5.4.410.0070.07319.23
5.4.400.0000.07318.97
5.4.390.0030.06318.95
5.4.380.0070.07019.11
5.4.370.0030.08018.77
5.4.360.0070.07018.96
5.4.350.0030.06718.77
5.4.340.0030.08019.13
5.4.320.0000.05319.09
5.4.310.0000.08319.11
5.4.300.0100.06719.05
5.4.290.0030.05319.03
5.4.280.0030.07718.96
5.4.270.0100.07319.11
5.4.260.0070.07319.13
5.4.250.0030.07718.96
5.4.240.0070.07318.96
5.4.230.0070.07719.04
5.4.220.0100.07318.80
5.4.210.0230.06019.10
5.4.200.0030.07318.96
5.4.190.0030.07319.13
5.4.180.0000.07019.09
5.4.170.0100.07018.95
5.4.160.0100.07319.04
5.4.150.0070.07318.91
5.4.140.0070.07016.38
5.4.130.0030.07316.26
5.4.120.0030.07316.25
5.4.110.0070.07316.26
5.4.100.0030.06716.38
5.4.90.0030.07316.43
5.4.80.0030.07716.42
5.4.70.0030.07016.43
5.4.60.0000.08316.21
5.4.50.0070.06716.23
5.4.40.0000.07716.22
5.4.30.0070.07016.32
5.4.20.0030.07016.43
5.4.10.0070.07016.34
5.4.00.0100.04315.71
5.3.290.0030.06014.67
5.3.280.0030.04714.54
5.3.270.0070.07014.46
5.3.260.0030.07714.57
5.3.250.0100.06314.54
5.3.240.0000.08014.47
5.3.230.0070.07014.56
5.3.220.0030.06314.40
5.3.210.0030.06014.57
5.3.200.0170.06014.55
5.3.190.0030.06314.56
5.3.180.0030.07314.53
5.3.170.0000.07714.52
5.3.160.0070.07314.53
5.3.150.0030.06714.54
5.3.140.0030.07314.52
5.3.130.0000.07714.54
5.3.120.0030.07714.46
5.3.110.0070.06714.54
5.3.100.0030.06713.95
5.3.90.0100.06713.89
5.3.80.0030.06714.02
5.3.70.0070.06313.98
5.3.60.0030.07714.00
5.3.50.0030.07313.94
5.3.40.0030.05013.93
5.3.30.0030.06713.79
5.3.20.0000.05713.65
5.3.10.0030.06713.64
5.3.00.0030.07013.57
5.2.170.0130.05012.19
5.2.160.0030.05712.19
5.2.150.0030.05712.19
5.2.140.0030.05712.19
5.2.130.0000.06312.19
5.2.120.0000.06012.19
5.2.110.0000.04712.19
5.2.100.0000.06312.19
5.2.90.0000.04312.19
5.2.80.0070.05012.19
5.2.70.0000.06312.19
5.2.60.0070.05712.19
5.2.50.0100.05012.19
5.2.40.0000.05312.19
5.2.30.0030.06012.19
5.2.20.0070.05712.19
5.2.10.0030.04012.19
5.2.00.0030.05712.19
5.1.60.0000.05712.19
5.1.50.0070.04312.19
5.1.40.0030.03712.19
5.1.30.0030.04012.19
5.1.20.0030.05012.19
5.1.10.0030.04712.19
5.1.00.0070.04312.19
5.0.50.0070.04312.19
5.0.40.0030.02712.19
5.0.30.0070.06312.19
5.0.20.0000.03712.19
5.0.10.0030.04012.19
5.0.00.0030.06312.19
4.4.90.0030.03312.19
4.4.80.0000.03712.19
4.4.70.0030.03712.19
4.4.60.0030.03312.19
4.4.50.0000.03312.19
4.4.40.0100.04312.19
4.4.30.0030.03712.19
4.4.20.0030.03712.19
4.4.10.0000.03712.19
4.4.00.0030.05312.19
4.3.110.0030.02712.19
4.3.100.0070.03012.19
4.3.90.0000.03312.19
4.3.80.0000.05312.19
4.3.70.0000.03312.19
4.3.60.0030.03012.19
4.3.50.0000.03012.19
4.3.40.0100.04312.19
4.3.30.0030.03312.19
4.3.20.0030.03312.19
4.3.10.0030.03012.19
4.3.00.0000.03312.19

preferences:
43.68 ms | 401 KiB | 5 Q