3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Example { private $var = "a" . "b"; }

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)
8.3.40.0110.00718.62
8.3.30.0100.00318.84
8.3.20.0040.00420.16
8.3.10.0040.00420.40
8.3.00.0080.00019.13
8.2.170.0030.01722.96
8.2.160.0100.00320.35
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00422.20
8.2.110.0040.00422.14
8.2.100.0090.00317.66
8.2.90.0000.00919.09
8.2.80.0030.00617.97
8.2.70.0040.00417.25
8.2.60.0040.00417.55
8.2.50.0040.00418.07
8.2.40.0040.00418.09
8.2.30.0060.00317.86
8.2.20.0070.00017.61
8.2.10.0040.00417.99
8.2.00.0030.00617.54
8.1.270.0060.00322.01
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0040.00423.88
8.1.230.0060.00619.10
8.1.220.0080.00017.74
8.1.210.0030.00518.77
8.1.200.0000.00917.10
8.1.190.0040.00417.10
8.1.180.0030.00519.01
8.1.170.0000.00818.51
8.1.160.0040.00421.98
8.1.150.0040.00418.69
8.1.140.0000.00717.30
8.1.130.0000.00717.67
8.1.120.0040.00417.33
8.1.110.0000.00817.25
8.1.100.0020.00517.20
8.1.90.0070.00317.33
8.1.80.0000.00717.23
8.1.70.0030.00317.21
8.1.60.0040.00417.48
8.1.50.0040.00417.32
8.1.40.0040.00417.25
8.1.30.0050.00317.54
8.1.20.0000.00717.41
8.1.10.0000.00717.27
8.1.00.0050.00217.25
8.0.300.0000.00718.77
8.0.290.0090.00016.63
8.0.280.0070.00018.27
8.0.270.0070.00017.14
8.0.260.0080.00016.99
8.0.250.0000.00716.87
8.0.240.0000.00716.81
8.0.230.0040.00416.72
8.0.220.0000.00616.80
8.0.210.0000.00816.71
8.0.200.0000.00616.88
8.0.190.0040.00416.72
8.0.180.0030.00616.79
8.0.170.0000.00816.82
8.0.160.0000.00716.83
8.0.150.0060.00316.67
8.0.140.0040.00416.73
8.0.130.0000.00513.21
8.0.120.0000.00716.71
8.0.110.0000.00816.64
8.0.100.0030.00516.58
8.0.90.0000.00716.71
8.0.80.0040.01116.73
8.0.70.0000.00716.63
8.0.60.0000.00716.81
8.0.50.0000.00716.77
8.0.30.0130.00917.08
8.0.20.0080.01217.40
8.0.10.0040.00416.85
8.0.00.0080.01016.58
7.4.330.0000.00515.00
7.4.320.0030.00316.39
7.4.300.0000.00616.27
7.4.290.0030.00316.51
7.4.280.0000.00816.27
7.4.270.0000.00716.46
7.4.260.0030.00616.29
7.4.250.0040.00416.41
7.4.240.0000.00816.34
7.4.230.0030.00316.18
7.4.220.0070.01316.48
7.4.210.0070.00616.36
7.4.200.0070.00016.48
7.4.160.0100.01016.31
7.4.150.0130.00617.40
7.4.140.0110.01217.86
7.4.130.0050.01116.43
7.4.120.0040.01416.39
7.4.110.0120.00916.29
7.4.100.0120.00416.33
7.4.90.0110.00516.39
7.4.80.0060.01519.37
7.4.70.0030.01616.41
7.4.60.0070.01116.34
7.4.50.0000.00616.45
7.4.40.0060.01016.46
7.4.30.0040.01716.36
7.4.00.0120.00414.67
7.3.330.0000.00513.12
7.3.320.0000.00513.20
7.3.310.0000.00716.05
7.3.300.0030.00316.16
7.3.290.0090.00916.16
7.3.280.0080.00716.14
7.3.270.0100.01317.40
7.3.260.0070.01416.51
7.3.250.0060.01116.27
7.3.240.0120.00616.40
7.3.230.0170.00316.39
7.3.210.0120.00616.35
7.3.200.0060.01319.39
7.3.190.0140.00416.18
7.3.180.0160.03116.14
7.3.170.0060.01416.27
7.3.160.0130.01016.19
7.2.330.0060.01016.66
7.2.320.0060.01016.38
7.2.310.0080.00816.38
7.2.300.0070.01016.34
7.2.290.0070.01016.43
7.1.70.0070.00316.95
7.1.60.0100.01319.32
7.1.50.0100.01016.84
7.1.00.0270.07721.61
7.0.200.0040.00416.79
7.0.140.0500.07320.17
7.0.130.0470.06720.41
7.0.120.0400.06320.22
7.0.110.0400.07320.27
7.0.100.0330.05720.25
7.0.90.0430.08320.27
7.0.80.0230.06320.24
7.0.70.0300.06320.19
7.0.60.0170.07520.02
7.0.50.0280.07819.09
7.0.40.0300.06520.18
7.0.30.0330.05820.14
7.0.20.0300.06520.10
7.0.10.0470.07220.15
7.0.00.0250.07520.14
5.6.280.0080.07221.02
5.6.270.0070.08321.01
5.6.260.0100.08721.12
5.6.250.0030.06720.92
5.6.240.0200.05320.76
5.6.230.0170.08021.01
5.6.220.0070.06021.11
5.6.210.0130.05820.72
5.6.200.0130.05319.46
5.6.190.0120.06720.77
5.6.180.0130.06520.81
5.6.170.0070.05520.63
5.6.160.0020.09220.75
5.6.150.0030.06719.53
5.6.140.0080.06819.58
5.6.130.0080.06819.62
5.6.120.0180.06720.96
5.6.110.0070.05221.01
5.6.100.0050.06320.86
5.6.90.0070.07221.04
5.6.80.0050.05020.36
5.6.70.2330.03820.30
5.6.60.0070.06020.21
5.6.50.0130.05320.45
5.6.40.0100.06020.17
5.6.30.0070.07320.24
5.6.20.0130.05720.39
5.6.10.0100.08020.38
5.6.00.0100.06720.38
5.5.380.0130.05717.56
5.5.370.0200.06717.64
5.5.360.0170.05017.52
5.5.350.0080.07318.93
5.5.340.0230.05218.12
5.5.330.0070.05219.27
5.5.320.0220.06819.10
5.5.310.0180.07019.14
5.5.300.0100.05018.08
5.5.290.0070.06718.07
5.5.280.0170.04219.46
5.5.270.0220.05219.50
5.5.260.0100.08219.43
5.5.250.0100.06719.21
5.5.240.0050.06818.71
5.5.230.0070.07017.62
5.5.220.0170.05017.23
5.5.210.0300.06717.64
5.5.200.0170.05017.48
5.5.190.0100.05717.17
5.5.180.0100.07317.43
5.5.160.0200.05717.23
5.5.150.0070.05717.43
5.5.140.0070.06317.43
5.5.130.0030.07717.61
5.5.120.0170.06317.58
5.5.110.0200.06317.58
5.5.100.0100.05317.16
5.5.90.0130.06717.11
5.5.80.0130.07017.09
5.5.70.0230.06317.15
5.5.60.0130.06717.11
5.5.50.0100.07017.48
5.5.40.0030.07317.32
5.5.30.0000.07317.26
5.5.20.0200.05017.38
5.5.10.0070.08017.11
5.5.00.0130.07317.10
5.4.450.0820.04719.38
5.4.440.0350.07019.48
5.4.430.0520.06219.45
5.4.420.0500.03519.42
5.4.410.0350.03019.38
5.4.400.0430.02519.14
5.4.390.0370.02819.03
5.4.380.0370.02819.06
5.4.370.0420.02218.99
5.4.360.0420.03219.19
5.4.350.0430.03219.16
5.4.340.0430.02319.22
5.4.320.0030.05815.91
5.4.310.0100.04715.90
5.4.300.0140.04115.71
5.4.290.0120.05115.71
5.4.280.0130.04115.78
5.4.270.0120.04215.78
5.4.260.0120.04615.78
5.4.250.0160.04715.71
5.4.240.0140.05115.78
5.4.230.0100.05815.78
5.4.220.0090.05515.64
5.4.210.0110.04415.67
5.4.200.0080.05315.65
5.4.190.0150.04115.85
5.4.180.0090.05515.77
5.4.170.0090.05315.84
5.4.160.0120.05415.63
5.4.150.0110.05515.63
5.4.140.0120.04914.20
5.4.130.0120.04114.30
5.4.120.0050.04714.24
5.4.110.0120.04814.28
5.4.100.0150.04714.29
5.4.90.0070.05814.31
5.4.80.0070.04914.28
5.4.70.0050.04714.28
5.4.60.0130.03714.29
5.4.50.0170.04214.25
5.4.40.0070.04614.21
5.4.30.0120.03814.20
5.4.20.0090.05214.20
5.4.10.0090.05014.12
5.4.00.0060.04213.67

preferences:
38.48 ms | 400 KiB | 5 Q