3v4l.org

run code in 300+ PHP versions simultaneously
<?php class c{ } var_dump(isset(c::$foo) ? 'set' : 'not');

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)
8.3.60.0100.01016.50
8.3.50.0120.00418.30
8.3.40.0150.00018.89
8.3.30.0100.01018.45
8.3.20.0110.00420.04
8.3.10.0060.00321.68
8.3.00.0080.00019.25
8.2.180.0120.00317.99
8.2.170.0070.00722.96
8.2.160.0030.01020.57
8.2.150.0060.00324.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0060.00317.50
8.2.110.0000.01122.32
8.2.100.0040.00717.80
8.2.90.0040.00419.05
8.2.80.0090.00017.97
8.2.70.0030.00517.63
8.2.60.0050.00317.80
8.2.50.0050.00318.07
8.2.40.0040.00419.37
8.2.30.0030.00520.75
8.2.20.0040.00417.66
8.2.10.0000.00817.90
8.2.00.0040.00418.07
8.1.270.0030.00523.84
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0030.00520.62
8.1.230.0040.00817.52
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0000.01117.23
8.1.190.0000.00817.22
8.1.180.0060.00318.10
8.1.170.0070.00018.84
8.1.160.0070.00021.93
8.1.150.0040.00418.82
8.1.140.0000.00919.47
8.1.130.0000.00717.68
8.1.120.0000.00717.42
8.1.110.0030.00517.40
8.1.100.0000.00717.41
8.1.90.0070.00017.25
8.1.80.0000.00717.28
8.1.70.0070.00017.44
8.1.60.0000.00717.51
8.1.50.0000.00817.37
8.1.40.0000.00817.45
8.1.30.0030.00517.61
8.1.20.0060.00317.48
8.1.10.0000.00817.45
8.1.00.0000.00717.37
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00718.28
8.0.270.0070.00017.06
8.0.260.0060.00017.32
8.0.250.0040.00416.85
8.0.240.0000.00716.93
8.0.230.0040.00416.81
8.0.220.0030.00316.72
8.0.210.0000.00816.85
8.0.200.0030.00316.84
8.0.190.0040.00416.85
8.0.180.0000.00716.86
8.0.170.0050.00316.84
8.0.160.0000.00916.73
8.0.150.0030.00316.84
8.0.140.0070.00016.79
8.0.130.0000.00513.21
8.0.120.0000.00816.84
8.0.110.0000.00816.84
8.0.100.0030.00316.79
8.0.90.0000.00816.89
8.0.80.0030.01216.82
8.0.70.0050.00316.82
8.0.60.0060.00316.86
8.0.50.0050.00316.87
8.0.30.0040.01317.13
8.0.20.0090.00917.40
8.0.10.0030.00516.84
8.0.00.0120.00716.81
7.4.330.0030.00315.08
7.4.320.0060.00016.53
7.4.300.0060.00016.52
7.4.290.0040.00416.38
7.4.280.0040.00416.45
7.4.270.0040.00416.50
7.4.260.0030.00316.41
7.4.250.0050.00216.38
7.4.240.0060.00116.43
7.4.230.0000.00716.61
7.4.220.0120.01416.37
7.4.210.0040.01516.35
7.4.200.0030.00316.63
7.4.160.0110.00416.28
7.4.150.0120.00617.40
7.4.140.0110.00817.86
7.4.130.0050.01316.39
7.4.120.0080.00916.29
7.4.110.0090.00916.49
7.4.100.0190.00016.38
7.4.90.0140.00316.56
7.4.80.0100.01319.39
7.4.70.0120.00416.32
7.4.60.0090.00616.40
7.4.50.0050.00316.14
7.4.40.0210.00316.46
7.4.30.0060.01016.16
7.4.00.0100.00714.96
7.3.330.0050.00013.30
7.3.320.0050.00013.16
7.3.310.0000.00716.17
7.3.300.0030.00316.08
7.3.290.0090.00716.26
7.3.280.0100.00916.23
7.3.270.0140.00317.40
7.3.260.0130.00316.52
7.3.250.0110.00516.32
7.3.240.0110.01116.33
7.3.230.0140.00716.42
7.3.210.0000.01616.24
7.3.200.0070.00916.30
7.3.190.0150.00016.53
7.3.180.0110.00516.21
7.3.170.0000.01716.27
7.3.160.0080.00816.31
7.2.330.0030.01516.30
7.2.320.0070.01316.31
7.2.310.0070.01616.43
7.2.300.0090.00616.64
7.2.290.0030.01416.25
7.2.60.0100.00316.27
7.1.200.0070.00315.36
7.1.70.0000.01216.97
7.1.60.0120.00919.43
7.1.50.0070.01116.77
7.1.00.0030.07322.43
7.0.200.0620.01014.64
7.0.60.0070.08320.00
7.0.50.0070.03717.96
7.0.40.0070.08720.40
7.0.30.0030.05320.19
7.0.20.0230.04720.23
7.0.10.0070.09720.09
7.0.00.0130.07020.10
5.6.280.0030.05721.14
5.6.210.0100.05320.75
5.6.200.0100.07718.19
5.6.190.0100.08720.55
5.6.180.0270.04720.33
5.6.170.0230.07720.58
5.6.160.0000.04320.59
5.6.150.0030.08018.18
5.6.140.0130.07718.23
5.6.130.0200.07318.18
5.6.120.0100.05020.98
5.6.110.0070.08321.11
5.6.100.0030.04020.89
5.6.90.0030.09021.00
5.6.80.0000.04320.43
5.5.350.0330.07320.35
5.5.340.0100.08317.98
5.5.330.0200.07020.25
5.5.320.0370.04320.25
5.5.310.0400.06320.34
5.5.300.0070.08017.98
5.5.290.0070.03717.95
5.5.280.0030.07320.85
5.5.270.0100.07320.76
5.5.260.0130.08020.84
5.5.250.0030.04320.55
5.5.240.0000.08320.22
5.4.450.0100.06319.34
5.4.440.0300.07019.49
5.4.430.0200.07019.60
5.4.420.0300.04019.61
5.4.410.0200.05319.45
5.4.400.0100.05718.98
5.4.390.0170.06018.84
5.4.380.0230.05019.25
5.4.370.0100.06019.14
5.4.360.0330.04318.98
5.4.350.0200.05019.15
5.4.340.0270.07319.01
5.4.320.0270.05018.87
5.4.310.0200.05019.38
5.4.300.0170.05718.86
5.4.290.0170.07019.37
5.4.280.0170.06019.25
5.4.270.0200.05019.28
5.4.260.0200.05019.00
5.4.250.0270.04319.27
5.4.240.0170.06718.86
5.4.230.0100.05718.87
5.4.220.0230.05019.15
5.4.210.0270.04319.36
5.4.200.0230.05718.86
5.4.190.0430.05018.83
5.4.180.0200.07719.13
5.4.170.0200.07318.81
5.4.160.0230.04318.85
5.4.150.0030.06719.35
5.4.140.0100.05716.32
5.4.130.0130.05016.43
5.4.120.0200.04316.38
5.4.110.0200.05016.51
5.4.100.0300.05716.61
5.4.90.0230.04716.19
5.4.80.0330.03316.51
5.4.70.0170.05016.61
5.4.60.0230.04316.59
5.4.50.0130.05316.25
5.4.40.0230.04716.59
5.4.30.0270.05316.40
5.4.20.0270.05716.59
5.4.10.0070.06316.56
5.4.00.0130.05715.90

preferences:
35.86 ms | 400 KiB | 5 Q