3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Test { var_dump ( A \ B :: class ) ; var_dump ( \ B :: class ) ; }

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)
8.3.60.0070.00718.31
8.3.50.0100.01018.02
8.3.40.0110.00418.66
8.3.30.0090.00618.59
8.3.20.0070.00021.60
8.3.10.0040.00422.06
8.3.00.0000.00823.27
8.2.180.0070.00718.16
8.2.170.0150.00022.96
8.2.160.0180.00022.13
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0140.00321.13
8.2.110.0030.00622.17
8.2.100.0090.00317.91
8.2.90.0000.00717.63
8.2.80.0080.00018.84
8.2.70.0040.00417.68
8.2.60.0070.00018.09
8.2.50.0040.00419.26
8.2.40.0060.00320.92
8.2.30.0080.00019.16
8.2.20.0040.00417.88
8.2.10.0070.00018.97
8.2.00.0020.00519.07
8.1.280.0070.01325.92
8.1.270.0080.00020.09
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.67
8.1.230.0080.00317.76
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.22
8.1.190.0090.00016.98
8.1.180.0000.00819.03
8.1.170.0050.00318.57
8.1.160.0050.00218.84
8.1.150.0040.00418.74
8.1.140.0030.00518.74
8.1.130.0030.00620.09
8.1.120.0030.00317.36
8.1.110.0000.00717.29
8.1.100.0020.00517.33
8.1.90.0030.00317.33
8.1.80.0070.00017.32
8.1.70.0000.00817.18
8.1.60.0030.00517.34
8.1.50.0020.00517.36
8.1.40.0040.00417.26
8.1.30.0000.00817.34
8.1.20.0050.00317.46
8.1.10.0040.00417.48
8.1.00.0070.00017.35
8.0.300.0070.00518.92
8.0.290.0040.00416.75
8.0.280.0030.00318.23
8.0.270.0040.00416.84
8.0.260.0030.00318.36
8.0.250.0000.00716.83
8.0.240.0000.00716.92
8.0.230.0060.00016.92
8.0.220.0000.00616.83
8.0.210.0030.00316.89
8.0.200.0000.00716.92
8.0.190.0000.00716.94
8.0.180.0030.00616.81
8.0.170.0040.00416.91
8.0.160.0030.00516.80
8.0.150.0000.00816.83
8.0.140.0040.00416.76
8.0.130.0050.00313.31
8.0.120.0000.00916.83
8.0.110.0030.00316.76
8.0.100.0000.00716.92
8.0.90.0030.00616.93
8.0.80.0070.00716.87
8.0.70.0000.00716.66
8.0.60.0000.00816.93
8.0.50.0000.00716.75
8.0.30.0100.01016.88
8.0.20.0060.01217.24
8.0.10.0040.00416.79
8.0.00.0110.01416.78
7.4.330.0050.00015.55
7.4.320.0000.00616.46
7.4.300.0030.00316.37
7.4.290.0020.00516.51
7.4.280.0030.00416.49
7.4.270.0050.00316.39
7.4.260.0070.00016.32
7.4.250.0030.00316.19
7.4.240.0020.00516.39
7.4.230.0030.00316.53
7.4.220.0000.00716.32
7.4.210.0090.01116.46
7.4.200.0030.00316.21
7.4.130.0080.01116.40
7.4.120.0170.00616.53
7.4.110.0070.01016.37
7.4.100.0030.01416.31
7.4.90.0120.00516.32
7.4.80.0100.00719.39
7.4.70.0060.01116.41
7.4.60.0060.01016.23
7.4.50.0080.00816.27
7.4.40.0060.01216.12
7.4.30.0070.01016.24
7.4.20.0110.00516.16
7.4.10.0070.01016.19
7.4.00.0030.01216.31
7.3.330.0080.00015.90
7.3.320.0050.00012.92
7.3.310.0030.00316.06
7.3.300.0030.00316.05
7.3.290.0090.00816.11
7.3.260.0160.00316.10
7.3.240.0070.01016.31
7.3.230.0220.01616.21
7.3.210.0030.01316.16
7.3.200.0090.01016.30
7.3.190.0180.00316.27
7.3.180.0030.01316.13
7.3.170.0090.00616.23
7.3.160.0060.01116.27
7.3.150.0090.00616.11
7.3.140.0140.00316.02
7.3.130.0060.01015.96
7.3.120.0110.00816.07
7.3.110.0110.01116.40
7.3.100.0040.01816.31
7.3.90.0100.01316.16
7.3.80.0030.01616.13
7.3.70.0070.01016.16
7.3.60.0080.01116.17
7.3.50.0160.00016.18
7.3.40.0130.00316.24
7.3.30.0100.00716.11
7.3.20.0130.00316.12
7.3.10.0110.00716.02
7.3.00.0100.00616.23
7.2.330.0150.01016.51
7.2.320.0160.00316.37
7.2.310.0060.01016.43
7.2.300.0090.01516.20
7.2.290.0090.00816.31
7.2.280.0070.01016.32
7.2.270.0090.00816.41
7.2.260.0080.00816.51
7.2.250.0110.01116.27
7.2.240.0130.01016.38
7.2.230.0070.01716.19
7.2.220.0100.01316.32
7.2.210.0100.00616.27
7.2.200.0110.00516.37
7.2.190.0030.01316.14
7.2.180.0160.00316.35
7.2.170.0120.00316.14
7.2.160.0120.00416.31
7.2.150.0090.00916.29
7.2.140.0070.01016.34
7.2.130.0130.00416.17
7.2.120.0060.01016.28
7.2.110.0050.01416.29
7.2.100.0170.00016.21
7.2.90.0140.00716.21
7.2.80.0160.00616.25
7.2.70.0090.01316.07
7.2.60.0060.01316.23
7.2.50.0030.01316.22
7.2.40.0060.01216.41
7.2.30.0140.00316.33
7.2.20.0090.00916.42
7.2.10.0090.00916.28
7.2.00.0380.00616.45

preferences:
62.65 ms | 401 KiB | 5 Q