3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace A; //$closure = function() { echo __NAMESPACE__; }; $x=2; namespace B; //$closure = function() { echo __NAMESPACE__; }; $x=3; namespace C; //$closure(); echo $x;

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)
8.3.60.0110.01118.20
8.3.50.0040.01117.81
8.3.40.0040.01118.54
8.3.30.0040.01118.50
8.3.20.0070.00021.78
8.3.10.0000.00721.83
8.3.00.0050.00319.56
8.2.180.0170.00316.63
8.2.170.0150.00022.96
8.2.160.0100.00322.27
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00419.30
8.2.120.0040.00426.35
8.2.110.0070.01119.21
8.2.100.0090.00317.78
8.2.90.0040.00418.03
8.2.80.0090.00018.16
8.2.70.0080.00017.93
8.2.60.0000.00917.93
8.2.50.0000.00718.16
8.2.40.0040.00420.50
8.2.30.0000.00719.47
8.2.20.0040.00418.03
8.2.10.0040.00417.96
8.2.00.0040.00418.14
8.1.280.0090.00625.92
8.1.270.0040.00423.96
8.1.260.0020.00526.35
8.1.250.0050.00228.09
8.1.240.0040.00422.42
8.1.230.0090.00322.70
8.1.220.0050.00317.76
8.1.210.0080.00018.77
8.1.200.0080.00017.35
8.1.190.0040.00417.13
8.1.180.0080.00018.10
8.1.170.0040.00418.44
8.1.160.0080.00018.80
8.1.150.0000.00718.87
8.1.140.0040.00417.67
8.1.130.0030.00517.25
8.1.120.0000.00717.37
8.1.110.0030.00617.38
8.1.100.0070.00017.33
8.1.90.0000.01017.41
8.1.80.0000.00817.35
8.1.70.0030.00517.43
8.1.60.0050.00317.53
8.1.50.0030.00517.35
8.1.40.0050.00317.36
8.1.30.0030.00617.54
8.1.20.0030.00617.44
8.1.10.0000.00817.38
8.1.00.0000.00817.36
8.0.300.0000.00719.65
8.0.290.0080.00016.75
8.0.280.0040.00418.43
8.0.270.0070.00317.16
8.0.260.0060.00016.74
8.0.250.0000.00716.87
8.0.240.0030.00616.96
8.0.230.0080.00016.93
8.0.220.0000.00716.79
8.0.210.0000.00716.70
8.0.200.0080.00016.86
8.0.190.0000.00816.87
8.0.180.0000.00716.72
8.0.170.0050.00516.74
8.0.160.0030.00516.75
8.0.150.0000.00716.81
8.0.140.0030.00316.81
8.0.130.0000.00613.20
8.0.120.0040.00416.74
8.0.110.0070.00016.77
8.0.100.0070.00016.77
8.0.90.0000.00716.91
8.0.80.0100.00416.70
8.0.70.0040.00416.84
8.0.60.0030.00516.93
8.0.50.0000.00716.79
8.0.30.0090.01216.95
8.0.20.0100.01217.40
8.0.10.0080.00017.00
8.0.00.0070.01216.76
7.4.330.0000.00515.55
7.4.320.0000.00616.45
7.4.300.0000.00716.49
7.4.290.0000.00716.46
7.4.280.0070.00016.51
7.4.270.0000.00716.48
7.4.260.0090.00016.41
7.4.250.0040.00416.52
7.4.240.0050.00216.53
7.4.230.0070.00016.32
7.4.220.0050.00316.45
7.4.210.0090.00816.50
7.4.200.0040.00416.35
7.4.160.0110.00616.35
7.4.140.0120.00717.86
7.4.130.0070.01116.46
7.4.120.0100.00916.39
7.4.110.0160.00016.56
7.4.100.0090.00916.38
7.4.90.0110.00516.30
7.4.80.0140.00719.39
7.4.70.0130.00916.43
7.4.60.0120.00316.22
7.4.50.0120.00316.13
7.4.40.0180.00316.41
7.4.00.0090.00614.65
7.3.330.0000.00512.95
7.3.320.0030.00312.99
7.3.310.0030.00316.23
7.3.300.0030.00316.20
7.3.290.0040.00416.09
7.3.280.0070.01116.23
7.3.260.0130.01016.36
7.3.240.0120.00616.37
7.3.230.0150.00716.34
7.3.210.0110.00516.44
7.3.200.0130.00316.33
7.3.190.0070.01416.13
7.3.180.0070.01316.43
7.3.170.0130.00316.43
7.3.160.0090.00616.18
7.2.330.0090.01516.19
7.2.320.0000.01816.17
7.2.310.0060.01216.45
7.2.300.0140.01016.54
7.2.290.0040.01716.60
7.2.60.0000.01016.45
7.2.50.0150.00416.77
7.2.40.3470.01417.54
7.2.30.3500.01417.30
7.2.20.3070.01417.56
7.2.10.2300.01617.18
7.2.00.2490.01617.68
7.1.200.0060.00615.52
7.1.160.3850.01416.50
7.1.150.2970.01216.63
7.1.140.2530.01416.46
7.1.130.2870.01216.54
7.1.120.2830.01016.28
7.1.110.2830.01315.86
7.1.100.3210.01315.86
7.1.90.3320.01415.31
7.1.80.3380.01515.62
7.1.70.3530.00815.20
7.1.60.3130.01933.09
7.1.50.4880.02132.80
7.1.40.5480.01932.50
7.1.30.4690.01832.48
7.1.20.4790.01532.77
7.1.10.5360.01214.54
7.1.00.2950.01114.59

preferences:
52.5 ms | 401 KiB | 5 Q