3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo() { if (class_exists('Bar') === false) { class Bar { function foo() {} } } }

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)
8.3.130.0090.00618.04
8.3.120.0040.00419.05
8.3.110.0090.00020.94
8.3.100.0140.00724.06
8.3.90.0040.00426.77
8.3.80.0060.00318.30
8.3.70.0100.01016.25
8.3.60.0180.00018.30
8.3.50.0120.00918.18
8.3.40.0000.01419.79
8.3.30.0040.01118.43
8.3.20.0000.00824.18
8.3.10.0080.00024.66
8.3.00.0080.00026.16
8.2.250.0040.01116.66
8.2.240.0040.00416.87
8.2.230.0030.00522.58
8.2.220.0040.00437.54
8.2.210.0180.00026.77
8.2.200.0040.00716.25
8.2.190.0110.00716.58
8.2.180.0120.00916.50
8.2.170.0080.00818.66
8.2.160.0140.00422.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.19
8.2.110.0100.00022.25
8.2.100.0040.00717.53
8.2.90.0080.00018.97
8.2.80.0000.00817.97
8.2.70.0000.00817.38
8.2.60.0080.00017.50
8.2.50.0110.00919.49
8.2.40.0100.00819.49
8.2.30.0150.00219.49
8.2.20.0090.00819.49
8.2.10.0110.00519.49
8.2.00.0160.00019.49
8.1.300.0090.00617.61
8.1.290.0040.00830.84
8.1.280.0070.01425.92
8.1.270.0070.00724.66
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00424.05
8.1.230.0070.00717.64
8.1.220.0000.00817.74
8.1.210.0030.00718.77
8.1.200.0000.00817.10
8.1.190.0060.00316.98
8.1.180.0090.00819.49
8.1.170.0120.00419.49
8.1.160.0100.00619.49
8.1.150.0120.00719.49
8.1.140.0100.00619.49
8.1.130.0090.00819.49
8.1.120.0050.01119.49
8.1.110.0040.01119.49
8.1.100.0130.00419.49
8.1.90.0130.00319.49
8.1.80.0100.00719.49
8.1.70.0130.00319.49
8.1.60.0130.00619.49
8.1.50.0130.00419.49
8.1.40.0130.00519.49
8.1.30.0130.00419.49
8.1.20.0100.00819.49
8.1.10.0160.00219.49
8.1.00.0150.00219.49
8.0.300.0060.00319.84
8.0.290.0030.00616.58
8.0.280.0090.00819.49
8.0.270.0120.00519.49
8.0.260.0140.00319.49
8.0.250.0120.00419.49
8.0.240.0070.01019.49
8.0.230.0090.00819.49
8.0.220.0150.00219.49
8.0.210.0150.00219.49
8.0.200.0120.00319.49
8.0.190.0160.00019.49
8.0.180.0140.00319.49
8.0.170.0120.00519.49
8.0.160.0090.00719.49
8.0.150.0110.00519.49
8.0.140.0120.00419.49
8.0.130.0100.00519.49
8.0.120.0090.00619.49
8.0.110.0100.00619.49
8.0.100.0140.00219.49
8.0.90.0100.00619.49
8.0.80.0110.00519.49
8.0.70.0130.00319.49
8.0.60.0140.00219.49
8.0.50.0110.00519.49
8.0.30.0140.00219.49
8.0.20.0100.00619.49
8.0.10.0120.00419.49
8.0.00.0130.00319.49
7.4.330.0100.00319.49
7.4.320.0110.00519.49
7.4.300.0140.00219.49
7.4.290.0160.00019.49
7.4.280.0140.00319.49
7.4.270.0140.00419.49
7.4.260.0160.00019.49
7.4.250.0180.00019.49
7.4.240.0120.00419.49
7.4.230.0110.00719.49
7.4.220.0170.00019.49
7.4.210.0060.01219.49
7.4.200.0000.01519.49
7.4.190.0150.00019.49
7.4.180.0150.00019.49
7.4.160.0100.00519.49
7.4.150.0120.00319.49
7.4.140.0100.00519.49
7.4.130.0170.00019.49
7.4.120.0090.00919.49
7.4.110.0090.00619.49
7.4.100.0060.00919.49
7.4.90.0160.00019.49
7.4.80.0150.00019.49
7.4.70.0070.00719.49
7.4.60.0120.00319.49
7.4.50.0130.00319.49
7.4.40.0110.00719.49
7.4.30.0160.00019.49
7.4.20.0080.00819.49
7.4.10.0130.00319.49
7.4.00.0080.00819.49
7.3.330.0120.00419.49
7.3.320.0080.00819.49
7.3.310.0140.00019.49
7.3.300.0070.00719.49
7.3.290.0070.00719.49
7.3.280.0090.00619.49
7.3.270.0140.00419.49
7.3.260.0110.00419.49
7.3.250.0100.00519.49
7.3.240.0120.00419.49
7.3.230.0150.00019.49
7.3.220.0080.00819.49
7.3.210.0060.00919.49
7.3.200.0130.00419.49
7.3.190.0130.00419.49
7.3.180.0170.00019.49
7.3.170.0130.00419.49
7.3.160.0110.00519.49
7.3.150.0110.00619.49
7.3.140.0160.00019.49
7.3.130.0110.00619.49
7.3.120.0120.00319.49
7.3.110.0090.00619.49
7.3.100.0110.00419.49
7.3.90.0170.00019.49
7.3.80.0070.00719.49
7.3.70.0100.00519.49
7.3.60.0090.00619.49
7.3.50.0110.00519.49
7.3.40.0150.00019.49
7.3.30.0120.00419.49
7.3.20.0130.00319.49
7.3.10.0100.00519.49
7.3.00.0050.01019.49
7.2.340.0110.00419.49
7.2.330.0120.00419.49
7.2.320.0150.00019.49
7.2.310.0110.00419.49
7.2.300.0160.00019.49
7.2.290.0060.01219.49
7.2.280.0090.00619.49
7.2.270.0120.00319.49
7.2.260.0110.00419.49
7.2.250.0140.00019.49
7.2.240.0140.00019.49
7.2.230.0120.00319.49
7.2.220.0130.00319.49
7.2.210.0140.00219.49
7.2.200.0160.00019.49
7.2.190.0120.00319.49
7.2.180.0110.00419.49
7.2.170.0110.00419.49
7.2.160.0100.00519.49
7.2.150.0100.00719.49
7.2.140.0080.00819.49
7.2.130.0160.00019.49
7.2.120.0100.00519.49
7.2.110.0040.01119.49
7.2.100.0050.01019.49
7.2.90.0130.00319.49
7.2.80.0100.00519.49
7.2.70.0150.00019.49
7.2.60.0100.00619.49
7.2.50.0120.00819.49
7.2.40.0100.00719.49
7.2.30.0110.00519.49
7.2.20.0070.01019.49
7.2.10.0080.00719.49
7.2.00.0120.00419.49
7.1.330.0140.00019.49
7.1.320.0130.00019.49
7.1.310.0120.00219.49
7.1.300.0110.00319.49
7.1.290.0110.00419.49
7.1.280.0140.00419.49
7.1.270.0110.00219.49
7.1.260.0130.00219.49
7.1.250.0060.00919.49
7.1.240.0100.00519.49
7.1.230.0150.00019.49
7.1.220.0090.00519.49
7.1.210.0090.00519.49
7.1.200.0110.00419.49
7.1.190.0160.00019.49
7.1.180.0090.00619.49
7.1.170.0150.00019.49
7.1.160.0090.00519.49
7.1.150.0090.00519.49
7.1.140.0000.01419.49
7.1.130.0090.00619.49
7.1.120.0120.00319.49
7.1.110.0110.00319.49
7.1.100.0140.00019.49
7.1.90.0140.00019.49
7.1.80.0050.01019.49
7.1.70.0110.00419.49
7.1.60.0100.00319.49
7.1.50.0120.00319.49
7.1.40.0040.01219.49
7.1.30.0110.00419.49
7.1.20.0100.00519.49
7.1.10.0160.00019.49
7.1.00.0070.00719.49
7.0.330.0090.00619.49
7.0.320.0090.00619.49
7.0.310.0120.00219.49
7.0.300.0140.00019.49
7.0.290.0100.00319.49
7.0.280.0100.00319.49
7.0.270.0130.00019.49
7.0.260.0140.00019.49
7.0.250.0140.00019.49
7.0.240.0120.00019.49
7.0.230.0080.00519.49
7.0.220.0140.00019.49
7.0.210.0110.00419.49
7.0.200.0090.00419.49
7.0.190.0110.00319.49
7.0.180.0040.00919.49
7.0.170.0090.00419.49
7.0.160.0080.00519.49
7.0.150.0130.00019.49
7.0.140.0140.00019.49
7.0.130.0150.00019.49
7.0.120.0130.00019.49
7.0.110.0120.00319.49
7.0.100.0120.00319.49
7.0.90.0110.00319.49
7.0.80.0100.00319.49
7.0.70.0080.00519.49
7.0.60.0070.00719.49
7.0.50.0110.00319.49
7.0.40.0080.00419.49
7.0.30.0130.00019.49
7.0.20.0040.00919.49
7.0.10.0110.00319.49
7.0.00.0120.00219.49
5.6.400.0090.00519.49
5.6.390.0050.00919.49
5.6.380.0080.00519.49
5.6.370.0100.00319.49
5.6.360.0140.00019.49
5.6.350.0110.00419.49
5.6.340.0120.00219.49
5.6.330.0130.00019.49
5.6.320.0130.00019.49
5.6.310.0080.00619.49
5.6.300.0000.01419.49
5.6.290.0060.00619.49
5.6.280.0130.00019.49
5.6.270.0040.00819.49
5.6.260.0090.00319.49
5.6.250.0060.00619.49
5.6.240.0090.00419.49
5.6.230.0080.00419.49
5.6.220.0130.00019.49
5.6.210.0090.00419.49
5.6.200.0130.00019.49
5.6.190.0100.00319.49
5.6.180.0060.00619.49
5.6.170.0040.00819.49
5.6.160.0130.00019.49
5.6.150.0090.00419.49
5.6.140.0100.00319.49
5.6.130.0050.01019.49
5.6.120.0120.00319.49
5.6.110.0180.00319.49
5.6.100.0090.00619.49
5.6.90.0100.00619.49
5.6.80.0110.00219.49
5.6.70.0080.00619.49
5.6.60.0140.00019.49
5.6.50.0060.00819.49
5.6.40.0080.00619.49
5.6.30.0150.00019.49
5.6.20.0120.00319.49
5.6.10.0040.01119.49
5.6.00.0120.00319.49
5.5.380.0070.00719.49
5.5.370.0160.00019.49
5.5.360.0100.00519.49
5.5.350.0080.00819.49
5.5.340.0120.00319.49
5.5.330.0130.00319.49
5.5.320.0020.01219.49
5.5.310.0090.00519.49
5.5.300.0080.00819.49
5.5.290.0100.00719.49
5.5.280.0120.00219.49
5.5.270.0000.01419.49
5.5.260.0150.00019.49
5.5.250.0150.00019.49
5.5.240.0060.01019.49
5.5.230.0070.00719.49
5.5.220.0150.00019.49
5.5.210.0160.00019.49
5.5.200.0100.00519.49
5.5.190.0090.00619.49
5.5.180.0130.00019.49
5.5.170.0050.00819.49
5.5.160.0080.00619.49
5.5.150.0120.00319.49
5.5.140.0100.00519.49
5.5.130.0130.00619.49
5.5.120.0160.00019.49
5.5.110.0150.00019.49
5.5.100.0140.00319.49
5.5.90.0140.00319.49
5.5.80.0100.00519.49
5.5.70.0120.00419.49
5.5.60.0100.00719.49
5.5.50.0110.00719.49
5.5.40.0130.00219.49
5.5.30.0140.00319.49
5.5.20.0160.00019.49
5.5.10.0150.00019.49
5.5.00.0130.00419.49
5.4.450.0130.00019.49
5.4.440.0040.00819.49
5.4.430.0090.00319.49
5.4.420.0060.00619.49
5.4.410.0040.00819.49
5.4.400.0070.00419.49
5.4.390.0090.00319.49
5.4.380.0120.00019.49
5.4.370.0040.00919.49
5.4.360.0070.00419.49
5.4.350.0140.00019.49
5.4.340.0090.00319.49
5.4.330.0040.00819.49
5.4.320.0090.00319.49
5.4.310.0120.00019.49
5.4.300.0050.00719.49
5.4.290.0050.00919.49
5.4.280.0130.00019.49
5.4.270.0120.00319.49
5.4.260.0080.00519.49
5.4.250.0130.00019.49
5.4.240.0090.00319.49
5.4.230.0050.00619.49
5.4.220.0100.00419.49
5.4.210.0120.00019.49
5.4.200.0090.00319.49
5.4.190.0090.00319.49
5.4.180.0100.00219.49
5.4.170.0080.00419.49
5.4.160.0120.00019.49
5.4.150.0120.00019.49
5.4.140.0060.00519.49
5.4.130.0080.00519.49
5.4.120.0050.00519.49
5.4.110.0110.00019.49
5.4.100.0100.00319.49
5.4.90.0040.00819.49
5.4.80.0120.00019.49
5.4.70.0040.00719.49
5.4.60.0130.00319.49
5.4.50.0110.00019.49
5.4.40.0060.00619.49
5.4.30.0080.00419.49
5.4.20.0090.00219.49
5.4.10.0080.00319.49
5.4.00.0050.00519.49
5.3.290.0090.00419.49
5.3.280.0120.00019.49
5.3.270.0040.00819.49
5.3.260.0080.00419.49
5.3.250.0060.00619.49
5.3.240.0060.00619.49
5.3.230.0100.00019.49
5.3.220.0090.00319.49
5.3.210.0080.00319.49
5.3.200.0070.00419.49
5.3.190.0040.00819.49
5.3.180.0130.00019.49
5.3.170.0110.00019.49
5.3.160.0080.00319.49
5.3.150.0040.00819.49
5.3.140.0090.00419.49
5.3.130.0110.00019.49
5.3.120.0060.00619.49
5.3.110.0120.00019.49
5.3.100.0120.00019.49
5.3.90.0090.00319.49
5.3.80.0070.00319.49
5.3.70.0080.00419.49
5.3.60.0060.00319.49
5.3.50.0110.00019.49
5.3.40.0110.00019.49
5.3.30.0110.00019.49
5.3.20.0060.00619.49
5.3.10.0080.00219.49
5.3.00.0060.00619.49
5.2.170.0080.00019.49
5.2.160.0050.00519.49
5.2.150.0000.00819.49
5.2.140.0000.00919.49
5.2.130.0050.00519.49
5.2.120.0050.00519.49
5.2.110.0000.01019.49
5.2.100.0030.00619.49
5.2.90.0100.00219.49
5.2.80.0050.00519.49
5.2.70.0070.00219.49
5.2.60.0090.00019.49
5.2.50.0040.00419.49
5.2.40.0030.00519.49
5.2.30.0030.00519.49
5.2.20.0080.00019.49
5.2.10.0050.00319.49
5.2.00.0070.00019.49
5.1.60.0070.00019.49
5.1.50.0040.00419.49
5.1.40.0040.00419.49
5.1.30.0040.00419.49
5.1.20.0070.00019.49
5.1.10.0040.00419.49
5.1.00.0030.00519.49
5.0.50.0000.00619.49
5.0.40.0060.00019.49
5.0.30.0060.00019.49
5.0.20.0060.00019.49
5.0.10.0020.00619.49
5.0.00.0060.00019.49
4.4.90.0000.00319.49
4.4.80.0040.00019.49
4.4.70.0000.00319.49
4.4.60.0000.00319.49
4.4.50.0000.00319.49
4.4.40.0000.00319.49
4.4.30.0020.00119.49
4.4.20.0000.00419.49
4.4.10.0030.00019.49
4.4.00.0030.00019.49
4.3.110.0000.00319.49
4.3.100.0030.00019.49
4.3.90.0000.00419.49
4.3.80.0000.00419.49
4.3.70.0000.00419.49
4.3.60.0020.00219.49
4.3.50.0000.00319.49
4.3.40.0040.00019.49
4.3.30.0030.00019.49
4.3.20.0000.00319.49
4.3.10.0000.00319.49
4.3.00.0030.00019.49

preferences:
34.1 ms | 403 KiB | 5 Q