3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { } $a = "vari"; $vari = "aa"; echo $$a;

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)
8.3.60.0120.00616.50
8.3.50.0120.00722.10
8.3.40.0090.00918.80
8.3.30.0110.00318.58
8.3.20.0040.00420.20
8.3.10.0070.00023.78
8.3.00.0080.00019.25
8.2.180.0140.00716.38
8.2.170.0120.00322.96
8.2.160.0030.01022.07
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0060.00617.50
8.2.110.0100.00022.20
8.2.100.0040.00818.04
8.2.90.0040.00419.21
8.2.80.0050.00317.97
8.2.70.0040.00417.63
8.2.60.0040.00417.68
8.2.50.0080.00018.07
8.2.40.0040.00419.41
8.2.30.0040.00420.49
8.2.20.0000.00717.78
8.2.10.0040.00418.07
8.2.00.0040.00418.07
8.1.280.0100.01025.92
8.1.270.0040.00423.79
8.1.260.0050.00326.35
8.1.250.0050.00228.09
8.1.240.0110.01122.47
8.1.230.0080.00317.64
8.1.220.0000.00817.74
8.1.210.0000.01218.77
8.1.200.0000.01117.22
8.1.190.0000.00817.35
8.1.180.0000.00718.10
8.1.170.0000.00818.50
8.1.160.0000.00721.88
8.1.150.0040.00418.88
8.1.140.0040.00419.58
8.1.130.0070.00017.69
8.1.120.0030.00317.46
8.1.110.0090.00017.33
8.1.100.0040.00417.40
8.1.90.0000.00717.43
8.1.80.0040.00417.40
8.1.70.0030.00317.45
8.1.60.0040.00417.45
8.1.50.0040.00417.49
8.1.40.0040.00417.46
8.1.30.0030.00617.72
8.1.20.0040.00417.63
8.1.10.0000.00817.42
8.1.00.0030.00517.41
8.0.300.0000.00818.77
8.0.290.0070.00016.75
8.0.280.0030.00318.45
8.0.270.0000.00717.12
8.0.260.0030.00317.29
8.0.250.0030.00516.96
8.0.240.0000.00716.95
8.0.230.0000.00816.84
8.0.220.0030.00316.79
8.0.210.0030.00316.90
8.0.200.0000.00616.85
8.0.190.0030.00516.85
8.0.180.0030.00516.81
8.0.170.0040.00416.93
8.0.160.0000.00716.77
8.0.150.0070.00016.81
8.0.140.0070.00016.74
8.0.130.0000.00513.27
8.0.120.0040.00416.81
8.0.110.0040.00416.89
8.0.100.0000.00716.90
8.0.90.0030.00516.88
8.0.80.0140.00716.87
8.0.70.0000.00716.77
8.0.60.0040.00416.73
8.0.50.0040.00416.92
8.0.30.0140.00617.10
8.0.20.0080.01117.40
8.0.10.0040.00417.06
8.0.00.0100.00916.76
7.4.330.0050.00015.15
7.4.320.0000.00616.52
7.4.300.0030.00316.59
7.4.290.0000.00716.50
7.4.280.0040.00416.54
7.4.270.0000.00716.45
7.4.260.0020.00516.54
7.4.250.0000.00816.45
7.4.240.0050.00216.61
7.4.230.0000.00716.59
7.4.220.0110.01116.53
7.4.210.0030.01316.58
7.4.200.0000.00716.69
7.4.160.0120.00316.51
7.4.150.0070.01017.40
7.4.140.0070.01217.86
7.4.130.0070.01316.50
7.4.120.0060.01116.54
7.4.110.0060.01616.30
7.4.100.0090.01116.39
7.4.90.0130.00316.58
7.4.80.0100.00719.39
7.4.70.0030.01216.49
7.4.60.0030.01816.59
7.4.50.0000.00816.55
7.4.40.0070.01116.67
7.4.30.0120.00416.47
7.4.00.0040.00714.96
7.3.330.0000.00513.25
7.3.320.0000.00513.25
7.3.310.0030.00316.13
7.3.300.0000.00716.24
7.3.290.0000.00716.11
7.3.280.0090.00516.23
7.3.270.0100.01717.40
7.3.260.0050.01116.46
7.3.240.0120.00516.38
7.3.230.0120.00916.39
7.3.210.0070.01016.34
7.3.200.0110.00816.57
7.3.190.0000.01716.41
7.3.180.0090.00616.48
7.3.170.0130.00316.45
7.3.160.0090.00616.36
7.2.330.0060.01216.60
7.2.320.0100.01316.63
7.2.310.0070.01016.55
7.2.300.0060.01216.35
7.2.290.0170.00016.78
7.2.00.0160.00319.47
7.1.100.0050.00817.73
7.1.70.0070.00016.79
7.1.60.0100.01319.43
7.1.50.0030.02016.68
7.1.00.0100.07322.30
7.0.200.0030.00714.76
7.0.60.0230.06720.00
7.0.50.0030.08717.87
7.0.40.0030.06320.29
7.0.30.0170.04720.17
7.0.20.0230.05320.09
7.0.10.0070.09020.30
7.0.00.0100.04020.06
5.6.280.0000.05020.82
5.6.210.0170.02720.51
5.6.200.0100.05718.19
5.6.190.0100.08720.51
5.6.180.0300.04320.47
5.6.170.0230.08720.57
5.6.160.0100.08020.46
5.6.150.0100.06318.18
5.6.140.0030.07018.14
5.6.130.0100.06018.17
5.6.120.0070.04020.96
5.6.110.0070.06721.03
5.6.100.0070.08021.14
5.6.90.0130.04321.02
5.6.80.0130.03020.39
5.5.350.0330.06320.32
5.5.340.0100.08017.94
5.5.330.0000.04720.42
5.5.320.0200.08320.31
5.5.310.0330.08020.30
5.5.300.0030.07717.95
5.5.290.0030.04017.99
5.5.280.0130.08020.80
5.5.270.0070.05720.73
5.5.260.0030.04320.66
5.5.250.0070.06720.69
5.5.240.0030.08720.07
5.4.450.0170.05719.46
5.4.440.0170.05719.46
5.4.430.0170.05319.46
5.4.420.0130.05719.48
5.4.410.0200.05019.49
5.4.400.0200.04719.07
5.4.390.0230.04719.25
5.4.380.0130.05318.98
5.4.370.0230.05019.15
5.4.360.0200.05019.25
5.4.350.0130.05319.16
5.4.340.0200.05019.15
5.4.320.0200.05318.87
5.4.310.0170.05319.29
5.4.300.0230.05719.13
5.4.290.0100.05719.02
5.4.280.0200.05019.14
5.4.270.0230.04319.06
5.4.260.0130.06319.22
5.4.250.0200.05019.25
5.4.240.0200.05019.02
5.4.230.0130.05319.09
5.4.220.0230.05319.21
5.4.210.0130.06019.25
5.4.200.0270.05319.09
5.4.190.0200.04719.28
5.4.180.0170.05719.27
5.4.170.0230.05319.13
5.4.160.0130.05318.96
5.4.150.0200.05019.12
5.4.140.0170.05016.50
5.4.130.0230.04016.45
5.4.120.0300.04016.49
5.4.110.0130.05716.19
5.4.100.0230.04016.65
5.4.90.0170.05016.53
5.4.80.0230.04316.62
5.4.70.0130.05016.29
5.4.60.0230.04016.49
5.4.50.0130.05016.22
5.4.40.0130.05316.48
5.4.30.0270.04016.53
5.4.20.0170.05016.25
5.4.10.0200.05016.50
5.4.00.0130.05015.84

preferences:
86.43 ms | 401 KiB | 5 Q