3v4l.org

run code in 300+ PHP versions simultaneously
<?php function b() { echo 'a'; } namespace 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)
8.3.60.0140.00018.18
8.3.50.0110.00621.79
8.3.40.0150.00418.81
8.3.30.0080.00618.88
8.3.20.0070.00020.38
8.3.10.0040.00423.64
8.3.00.0000.00820.95
8.2.180.0120.00916.75
8.2.170.0140.00022.96
8.2.160.0070.01020.52
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.36
8.2.110.0190.00021.05
8.2.100.0080.00417.78
8.2.90.0000.00818.92
8.2.80.0000.00817.97
8.2.70.0040.00417.38
8.2.60.0000.00817.90
8.2.50.0050.00318.10
8.2.40.0060.00319.82
8.2.30.0040.00418.00
8.2.20.0070.00017.61
8.2.10.0000.00717.84
8.2.00.0000.00717.41
8.1.280.0110.00425.92
8.1.270.0030.00623.88
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00323.92
8.1.230.0000.01120.43
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0000.00817.00
8.1.190.0030.00617.10
8.1.180.0050.00318.10
8.1.170.0060.00318.52
8.1.160.0050.00321.94
8.1.150.0070.00018.46
8.1.140.0040.00417.29
8.1.130.0070.00017.66
8.1.120.0000.00717.35
8.1.110.0040.00417.23
8.1.100.0000.00717.38
8.1.90.0030.00317.21
8.1.80.0020.00517.28
8.1.70.0000.00817.31
8.1.60.0060.00317.41
8.1.50.0000.00717.33
8.1.40.0060.00317.43
8.1.30.0000.00817.52
8.1.20.0000.00817.54
8.1.10.0050.00217.41
8.1.00.0000.00817.35
8.0.300.0000.00718.77
8.0.290.0000.00816.63
8.0.280.0080.00018.25
8.0.270.0040.00417.04
8.0.260.0030.00317.05
8.0.250.0070.00016.91
8.0.240.0000.00716.95
8.0.230.0050.00316.79
8.0.220.0070.00016.71
8.0.210.0000.00616.80
8.0.200.0060.00016.79
8.0.190.0000.00716.87
8.0.180.0030.00716.84
8.0.170.0040.00416.71
8.0.160.0040.00416.82
8.0.150.0000.00816.69
8.0.140.0000.00916.68
8.0.130.0030.00313.25
8.0.120.0000.00716.85
8.0.110.0000.00716.67
8.0.100.0000.00716.81
8.0.90.0060.00316.70
8.0.80.0090.01316.70
8.0.70.0080.00016.75
8.0.60.0000.00716.73
8.0.50.0040.00416.68
8.0.30.0120.00816.76
8.0.20.0130.00617.40
8.0.10.0040.00416.96
8.0.00.0080.01216.60
7.4.330.0000.00515.00
7.4.320.0050.00216.32
7.4.300.0060.00016.53
7.4.290.0030.00316.42
7.4.280.0040.00416.55
7.4.270.0030.00316.57
7.4.260.0030.00316.49
7.4.250.0000.00816.40
7.4.240.0070.00016.46
7.4.230.0000.00716.57
7.4.220.0100.01016.41
7.4.210.0110.00716.45
7.4.200.0000.00716.55
7.4.160.0090.00616.71
7.4.150.0140.00317.40
7.4.140.0070.01117.86
7.4.130.0150.00416.49
7.4.120.0070.01016.40
7.4.110.0070.01016.49
7.4.100.0090.00916.52
7.4.90.0100.00716.27
7.4.80.0100.01219.39
7.4.70.0060.00916.63
7.4.60.0130.00516.46
7.4.50.0050.00316.05
7.4.40.0070.01016.53
7.4.30.0000.01516.24
7.3.330.0050.00013.23
7.3.320.0000.00513.09
7.3.310.0030.00316.26
7.3.300.0000.00716.25
7.3.290.0130.00316.16
7.3.280.0100.00716.21
7.3.270.0130.00417.40
7.3.260.0100.01616.54
7.3.250.0070.01316.41
7.3.240.0120.00616.21
7.3.230.0160.00616.46
7.3.210.0140.00316.41
7.3.200.0090.00619.39
7.3.190.0190.00316.23
7.3.180.0040.01116.34
7.3.170.0090.00616.27
7.3.160.0080.00816.25
7.2.330.0070.01116.35
7.2.320.0030.01716.44
7.2.310.0130.00316.30
7.2.300.0030.01216.21
7.2.290.0090.00816.39
5.4.240.0150.04512.39
5.4.230.0170.05912.38
5.4.220.0150.04512.38
5.4.210.0130.04612.38
5.4.200.0170.04612.38
5.4.190.0110.05412.38
5.4.180.0150.04312.38
5.4.170.0120.04712.39
5.4.160.0150.04312.38
5.4.150.0140.04612.38
5.4.140.0100.04912.06
5.4.130.0150.04012.05
5.4.120.0120.04512.01
5.4.110.0090.04712.01
5.4.100.0250.06312.01
5.4.90.0130.04612.01
5.4.80.0110.05212.01
5.4.70.0160.03912.00
5.4.60.0120.04512.00
5.4.50.0140.04312.00
5.4.40.0160.04111.99
5.4.30.0130.04511.99
5.4.20.0150.04211.98
5.4.10.0130.04211.99
5.4.00.0130.04311.48
5.3.280.0130.04512.71
5.3.270.0210.07012.72
5.3.260.0130.04212.72
5.3.250.0150.03812.72
5.3.240.0090.05212.72
5.3.230.0140.04312.71
5.3.220.0120.04212.68
5.3.210.0110.04512.68
5.3.200.0110.04912.68
5.3.190.0100.05112.67
5.3.180.0130.05312.67
5.3.170.0120.04912.67
5.3.160.0130.04712.67
5.3.150.0130.05012.67
5.3.140.0110.04412.66
5.3.130.0110.04512.66
5.3.120.0120.05412.66
5.3.110.0120.04712.66
5.3.100.0120.04712.12
5.3.90.0160.06112.09
5.3.80.0190.04912.08
5.3.70.0120.04912.08
5.3.60.0130.04512.07
5.3.50.0110.05212.01
5.3.40.0130.04512.01
5.3.30.0160.05311.96
5.3.20.0150.04311.75
5.3.10.0140.05111.71
5.3.00.0130.04711.69

preferences:
42.86 ms | 401 KiB | 5 Q