3v4l.org

run code in 500+ PHP versions simultaneously
<?php namespace A; function identity($i) { return $i; } namespace B; use function A\identity; echo identity::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)
8.5.70.0110.00616.73
8.5.60.0090.00816.62
8.5.50.0110.00616.46
8.5.30.0090.00917.34
8.5.20.0090.00918.11
8.5.10.0110.00616.68
8.5.00.0120.01119.93
8.4.220.0130.00622.03
8.4.210.0160.00619.54
8.4.180.0120.00923.92
8.4.170.0120.00823.88
8.4.160.0150.00725.72
8.4.150.0090.00316.80
8.4.140.0140.00917.50
8.4.130.0100.00617.40
8.4.120.0120.00720.59
8.4.110.0090.01118.86
8.4.100.0130.00817.49
8.4.90.0110.00917.60
8.4.80.0120.00717.66
8.4.70.0050.00319.58
8.4.60.0040.00419.63
8.4.50.0100.01018.59
8.4.40.0070.01317.36
8.4.30.0070.01020.53
8.4.20.0140.00018.05
8.4.10.0000.00919.48
8.3.310.0090.00618.26
8.3.300.0130.00722.66
8.3.290.0140.00718.29
8.3.280.0090.01018.27
8.3.270.0120.00816.34
8.3.260.0110.00816.71
8.3.250.0120.00718.67
8.3.240.0130.00616.64
8.3.230.0100.01116.41
8.3.220.0100.00817.25
8.3.210.0150.00516.54
8.3.200.0060.00216.65
8.3.190.0120.01017.09
8.3.180.0100.01118.95
8.3.170.0090.00916.57
8.3.160.0100.00717.07
8.3.150.0000.01818.82
8.3.140.0090.00018.57
8.3.130.0030.00618.44
8.3.120.0080.00018.75
8.3.110.0090.00020.94
8.3.100.0050.00318.45
8.3.90.0120.00626.77
8.3.80.0030.00616.50
8.3.70.0070.01016.75
8.3.60.0120.00618.43
8.3.50.0110.00624.30
8.3.40.0070.01021.90
8.3.30.0090.00618.71
8.3.20.0040.00424.18
8.3.10.0030.00524.66
8.3.00.0030.00626.16
8.2.310.0140.00817.93
8.2.300.0100.01017.97
8.2.290.0130.00620.13
8.2.280.0110.00716.63
8.2.270.0000.00818.41
8.2.260.0120.00316.47
8.2.250.0080.00018.36
8.2.240.0110.00016.98
8.2.230.0090.00322.58
8.2.220.0060.00324.06
8.2.210.0050.00326.77
8.2.200.0050.00516.50
8.2.190.0070.01116.58
8.2.180.0090.00925.92
8.2.170.0120.00318.79
8.2.160.0130.00022.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00426.35
8.2.110.0070.01020.80
8.2.100.0040.00817.59
8.2.90.0050.00317.72
8.2.80.0000.00818.04
8.2.70.0070.00417.80
8.2.60.0040.00418.16
8.2.50.0000.01318.10
8.2.40.0040.00419.31
8.2.30.0000.00719.12
8.2.20.0050.00217.95
8.2.10.0050.00319.16
8.2.00.0080.00019.02
8.1.340.0110.01117.60
8.1.330.0110.00916.60
8.1.320.0120.00815.89
8.1.310.0100.00716.77
8.1.300.0150.00318.38
8.1.290.0060.00330.84
8.1.280.0070.00725.92
8.1.270.0030.00523.99
8.1.260.0000.00728.09
8.1.250.0050.00328.09
8.1.240.0080.00022.24
8.1.230.0000.01122.63
8.1.220.0030.00617.74
8.1.210.0070.00018.84
8.1.200.0070.00317.22
8.1.190.0040.00417.00
8.1.180.0030.00618.10
8.1.170.0040.00418.57
8.1.160.0070.00018.95
8.1.150.0040.00418.67
8.1.140.0040.00420.46
8.1.130.0070.00017.32
8.1.120.0050.00317.29
8.1.110.0040.00417.29
8.1.100.0040.00417.31
8.1.90.0030.00317.37
8.1.80.0060.00617.32
8.1.70.0070.00017.33
8.1.60.0080.00017.36
8.1.50.0050.00317.39
8.1.40.0000.00817.30
8.1.30.0000.00717.43
8.1.20.0040.00417.41
8.1.10.0000.00817.40
8.1.00.0060.00317.25
8.0.300.0000.00720.16
8.0.290.0000.00816.75
8.0.280.0000.00718.44
8.0.270.0000.00716.81
8.0.260.0070.00016.82
8.0.250.0030.00316.82
8.0.240.0030.00616.82
8.0.230.0070.00016.71
8.0.220.0000.00716.78
8.0.210.0030.00316.78
8.0.200.0030.00316.71
8.0.190.0030.00516.73
8.0.180.0050.00316.84
8.0.170.0000.00816.67
8.0.160.0000.00716.82
8.0.150.0080.00016.59
8.0.140.0040.00416.61
8.0.130.0030.00313.15
8.0.120.0070.00016.68
8.0.110.0000.00716.87
8.0.100.0000.00716.75
8.0.90.0030.00316.75
8.0.80.0050.01316.75
8.0.70.0050.00316.63
8.0.60.0000.00816.75
8.0.50.0040.00416.74
8.0.30.0130.00316.93
8.0.20.0140.01617.05
8.0.10.0030.00516.79
8.0.00.0140.00716.68
7.4.330.0050.00015.55
7.4.320.0000.00716.38
7.4.300.0060.00016.28
7.4.290.0070.00016.30
7.4.280.0070.00016.50
7.4.270.0000.00816.51
7.4.260.0000.00513.14
7.4.250.0040.00416.41
7.4.240.0000.00716.37
7.4.230.0030.00316.23
7.4.220.0030.00316.32
7.4.210.0100.00716.48
7.4.200.0000.00816.54
7.4.130.0110.00816.20
7.4.120.0110.00816.19
7.4.110.0070.01316.13
7.4.100.0090.00916.20
7.4.90.0050.01316.30
7.4.80.0120.00416.20
7.4.70.0090.00616.05
7.4.60.0090.01216.40
7.4.50.0100.00816.32
7.4.40.0100.00716.38
7.4.30.0040.01615.86
7.4.20.0090.01115.82
7.4.10.0120.00616.16
7.4.00.0100.00816.47
7.3.330.0070.00016.23
7.3.320.0030.00313.12
7.3.310.0000.00716.20
7.3.300.0000.00716.09
7.3.290.0050.01216.19
7.3.260.0090.00816.61
7.3.250.0120.00916.42
7.3.240.0150.00816.41
7.3.230.0030.01416.17
7.3.220.0040.01416.11
7.3.210.0130.00616.06
7.3.200.0170.00016.00
7.3.190.0000.01616.40
7.3.180.0100.00716.40
7.3.170.0100.00716.08
7.3.160.0060.01216.22
7.3.150.0120.00916.33
7.3.140.0120.00816.27
7.3.130.0090.00916.22
7.3.120.0090.00916.22
7.3.110.0110.00916.34
7.3.100.0170.00616.29
7.3.90.0100.00716.22
7.3.80.0100.00616.01
7.3.70.0120.00916.25
7.3.60.0030.01616.13
7.3.50.0180.00316.34
7.3.40.0100.01016.28
7.3.30.0160.00016.39
7.3.20.0370.00316.22
7.3.10.0070.01016.15
7.3.00.0140.00316.48
7.2.340.0040.01316.23
7.2.330.0090.01016.45
7.2.320.0090.00916.21
7.2.310.0110.00616.57
7.2.300.0130.00516.43
7.2.290.0090.00816.44
7.2.280.0100.00716.43
7.2.270.0090.00816.30
7.2.260.0000.01716.29
7.2.250.0060.01216.30
7.2.240.0150.00316.30
7.2.230.0110.00716.23
7.2.220.0030.01516.54
7.2.210.0120.00616.48
7.2.200.0140.01016.43
7.2.190.0110.01116.52
7.2.180.0130.01016.42
7.2.170.0080.00816.47
7.2.160.0030.01316.54
7.2.150.0140.00316.37
7.2.140.0120.00616.50
7.2.130.0030.01316.49
7.2.120.0070.01016.44
7.2.110.0110.00816.45
7.2.100.0040.01516.32
7.2.90.0180.00316.46
7.2.80.0150.00316.34
7.2.70.0110.00816.45
7.2.60.0150.00416.36
7.2.50.0090.01316.67
7.2.40.0080.01116.56
7.2.30.0090.00916.64
7.2.20.0100.00716.44
7.2.10.0070.01116.51
7.2.00.0130.00516.43

preferences:
97.48 ms | 1511 KiB | 5 Q