3v4l.org

run code in 300+ PHP versions simultaneously
<?php $v = 'foo' . 'bar' . 'qux';

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)
8.3.60.0150.00316.38
8.3.50.0110.00522.88
8.3.40.0090.00618.50
8.3.30.0070.00719.10
8.3.20.0000.00820.31
8.3.10.0050.00323.66
8.3.00.0050.00319.25
8.2.180.0060.00916.50
8.2.170.0110.00422.96
8.2.160.0140.00020.13
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0050.00319.64
8.2.110.0090.00022.30
8.2.100.0080.00319.32
8.2.90.0030.00619.05
8.2.80.0030.00617.97
8.2.70.0040.00417.50
8.2.60.0070.00017.78
8.2.50.0000.00918.07
8.2.40.0000.00819.88
8.2.30.0060.00317.90
8.2.20.0040.00417.59
8.2.10.0070.00017.99
8.2.00.0030.00617.51
8.1.280.0110.00425.92
8.1.270.0080.00023.70
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0060.00323.82
8.1.230.0040.00719.16
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0030.00718.58
8.1.160.0000.00721.94
8.1.150.0070.00018.81
8.1.140.0000.00717.42
8.1.130.0070.00017.76
8.1.120.0000.00817.36
8.1.110.0020.00517.23
8.1.100.0000.00717.39
8.1.90.0000.00717.34
8.1.80.0000.00717.39
8.1.70.0000.00717.34
8.1.60.0030.00617.46
8.1.50.0000.00717.47
8.1.40.0050.00317.34
8.1.30.0050.00317.62
8.1.20.0040.00417.52
8.1.10.0050.00317.44
8.1.00.0040.00417.30
8.0.300.0030.00318.77
8.0.290.0000.00816.63
8.0.280.0070.00018.37
8.0.270.0030.00317.05
8.0.260.0030.00317.10
8.0.250.0070.00016.91
8.0.240.0030.00716.89
8.0.230.0000.00716.86
8.0.220.0000.00616.77
8.0.210.0030.00516.75
8.0.200.0030.00316.92
8.0.190.0040.00416.84
8.0.180.0000.00716.73
8.0.170.0030.00516.82
8.0.160.0000.00716.84
8.0.150.0030.00316.79
8.0.140.0000.00816.78
8.0.130.0050.00013.27
8.0.120.0000.00716.72
8.0.110.0030.00516.65
8.0.100.0000.00716.93
8.0.90.0050.00316.77
8.0.80.0060.00916.70
8.0.70.0040.00416.86
8.0.60.0070.00016.65
8.0.50.0040.00416.83
8.0.30.0110.00816.91
8.0.20.0090.00817.40
8.0.10.0000.00716.73
8.0.00.0070.01016.64
7.4.330.0020.00215.03
7.4.320.0000.00616.44
7.4.300.0030.00316.35
7.4.290.0030.00316.36
7.4.280.0040.00416.46
7.4.270.0030.00316.50
7.4.260.0000.00716.55
7.4.250.0030.00516.38
7.4.240.0000.00716.45
7.4.230.0070.00016.50
7.4.220.0070.01016.60
7.4.210.0030.01216.61
7.4.200.0040.00416.28
7.4.160.0100.00716.34
7.4.150.0120.00617.40
7.4.140.0050.01217.86
7.4.130.0090.00916.45
7.4.120.0100.01016.38
7.4.110.0120.00616.47
7.4.100.0070.01016.38
7.4.90.0030.01316.39
7.4.80.0130.01019.39
7.4.70.0090.00616.39
7.4.60.0040.01316.58
7.4.50.0000.00816.29
7.4.40.0130.00316.31
7.4.30.0040.01316.51
7.4.00.0070.00714.76
7.3.330.0000.00513.04
7.3.320.0050.00013.02
7.3.310.0030.00516.27
7.3.300.0030.00615.92
7.3.290.0100.00316.18
7.3.280.0080.01016.19
7.3.270.0160.00617.40
7.3.260.0120.00616.35
7.3.250.0100.00616.26
7.3.240.0090.00916.28
7.3.230.0140.00416.39
7.3.210.0030.01316.32
7.3.200.0080.00819.39
7.3.190.0130.00316.12
7.3.180.0040.01216.31
7.3.170.0080.01216.31
7.3.160.0100.00716.14
7.2.330.0090.00916.32
7.2.320.0100.00916.59
7.2.310.0070.01016.51
7.2.300.0100.00716.42
7.2.290.0140.00416.22
7.2.00.0040.00718.96
7.1.100.0040.00717.93
7.1.70.0000.01217.08
7.1.60.0170.00719.40
7.1.50.0160.00716.93
7.1.00.0070.07322.52
7.0.200.0310.00414.76
7.0.140.0070.07022.04
7.0.60.0030.07720.02
7.0.50.0030.04017.76
7.0.40.0070.04020.09
7.0.30.0500.07020.00
7.0.20.0370.07320.13
7.0.10.0100.06320.16
7.0.00.0100.03720.20
5.6.280.0070.07020.89
5.6.210.0070.08020.73
5.6.200.0100.05318.09
5.6.190.0170.06720.64
5.6.180.3270.05020.49
5.6.170.0100.05020.42
5.6.160.0030.04020.52
5.6.150.0000.07718.09
5.6.140.0100.05018.12
5.6.130.0170.04318.07
5.6.120.0170.07721.11
5.6.110.0100.04720.97
5.6.100.0070.08321.10
5.6.90.0100.07720.98
5.6.80.0070.08020.39
5.6.70.4700.04320.51
5.5.350.0270.07720.29
5.5.340.0130.07718.02
5.5.330.0100.07720.25
5.5.320.0270.04320.32
5.5.310.0370.05720.29
5.5.300.0100.03717.92
5.5.290.0000.08017.92
5.5.280.0070.07720.79
5.5.270.0070.05720.75
5.5.260.0030.04320.96
5.5.250.0070.03720.68
5.5.240.0300.06720.18
5.4.450.0330.04319.41
5.4.440.0230.05019.41
5.4.430.0470.05019.13
5.4.420.0470.04019.45
5.4.410.0300.04319.29
5.4.400.0230.04318.95
5.4.390.0200.04718.93
5.4.380.1200.07318.46
5.4.370.1000.05318.67
5.4.360.0900.06018.61
5.4.350.1070.05018.68
5.4.340.0830.06318.66
5.4.320.0090.03412.46
5.4.310.0070.03812.45
5.4.300.0100.03912.45
5.4.290.0080.03612.45
5.4.280.0080.03712.35
5.4.270.0050.03612.34
5.4.260.0070.03712.35
5.4.250.0040.03912.35
5.4.240.0060.04112.34
5.4.230.0050.03912.34
5.4.220.0060.03512.34
5.4.210.0080.03312.34
5.4.200.0070.03612.34
5.4.190.0100.03312.34
5.4.180.0060.03612.34
5.4.170.0030.03812.35
5.4.160.0070.03512.34
5.4.150.0030.03812.34
5.4.140.0060.03612.02
5.4.130.0060.03512.01
5.4.120.0050.03511.96
5.4.110.0050.03611.96
5.4.100.0070.03511.96
5.4.90.0050.03711.96
5.4.80.0050.03711.96
5.4.70.0060.03811.96
5.4.60.0110.04111.96
5.4.50.0060.03411.96
5.4.40.0100.03511.95
5.4.30.0070.03411.95
5.4.20.0070.03311.95
5.4.10.0040.03511.95
5.4.00.0060.03511.43

preferences:
37.28 ms | 401 KiB | 5 Q