3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "test1"; $b = "test2"; $a = $a ^ $b; $b = $a ^ $b; $a = $a ^ $b; echo "a = $a; b = $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)
8.3.60.0130.00718.28
8.3.50.0180.00821.92
8.3.40.0090.00618.67
8.3.30.0100.00319.00
8.3.20.0090.00620.21
8.3.10.0060.00318.52
8.3.00.0000.00819.25
8.2.180.0040.01118.16
8.2.170.0100.00322.96
8.2.160.0030.01022.96
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0090.00026.16
8.2.120.0040.00419.54
8.2.110.0080.00419.33
8.2.100.0090.00317.63
8.2.90.0000.00819.23
8.2.80.0000.00817.97
8.2.70.0090.00317.50
8.2.60.0060.00317.93
8.2.50.0000.00818.07
8.2.40.0040.00418.20
8.2.30.0000.00818.07
8.2.20.0050.00217.54
8.2.10.0000.00818.16
8.2.00.0000.00717.65
8.1.280.0150.00025.92
8.1.270.0090.00020.56
8.1.260.0000.00726.35
8.1.250.0060.00328.09
8.1.240.0000.01023.92
8.1.230.0040.00817.42
8.1.220.0030.00517.79
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0080.00017.23
8.1.180.0050.00318.10
8.1.170.0080.00020.25
8.1.160.0050.00221.99
8.1.150.0050.00318.88
8.1.140.0040.00417.37
8.1.130.0070.00017.86
8.1.120.0070.00017.28
8.1.110.0070.00017.43
8.1.100.0030.00417.38
8.1.90.0000.00717.27
8.1.80.0000.00817.40
8.1.70.0050.00317.30
8.1.60.0060.00317.40
8.1.50.0000.00817.50
8.1.40.0030.00517.41
8.1.30.0040.00417.51
8.1.20.0030.00517.55
8.1.10.0000.00717.46
8.1.00.0060.00317.41
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0000.00718.35
8.0.270.0030.00317.25
8.0.260.0060.00017.23
8.0.250.0030.00316.95
8.0.240.0030.00316.88
8.0.230.0000.00716.90
8.0.220.0000.00716.90
8.0.210.0000.00716.94
8.0.200.0030.00617.00
8.0.190.0000.00716.86
8.0.180.0120.00016.93
8.0.170.0000.00716.88
8.0.160.0030.00316.91
8.0.150.0030.00316.81
8.0.140.0040.00416.81
8.0.130.0000.00613.23
8.0.120.0000.00716.75
8.0.110.0050.00216.91
8.0.100.0000.00716.74
8.0.90.0070.00016.85
8.0.80.0100.00516.83
8.0.70.0040.00416.95
8.0.60.0050.00216.68
8.0.50.0000.00716.86
8.0.30.0110.01016.92
8.0.20.0120.00717.40
8.0.10.0030.00516.91
8.0.00.0090.01016.72
7.4.330.0050.00015.02
7.4.320.0030.00316.53
7.4.300.0060.00016.50
7.4.290.0050.00216.32
7.4.280.0030.00316.51
7.4.270.0030.00316.35
7.4.260.0030.00316.31
7.4.250.0040.00416.39
7.4.240.0020.00516.40
7.4.230.0030.00316.59
7.4.220.0120.00616.64
7.4.210.0150.00616.50
7.4.200.0000.00716.54
7.4.160.0030.01316.46
7.4.150.0090.00917.40
7.4.140.0120.00617.86
7.4.130.0110.00616.31
7.4.120.0070.00916.45
7.4.110.0120.00416.54
7.4.100.0100.00716.42
7.4.90.0090.00616.48
7.4.80.0120.00619.39
7.4.70.0110.01116.43
7.4.60.0070.01016.41
7.4.50.0000.00916.31
7.4.40.0110.00516.50
7.4.30.0110.00516.32
7.4.00.0110.00414.86
7.3.330.0020.00213.09
7.3.320.0030.00312.99
7.3.310.0070.00016.39
7.3.300.0030.00316.21
7.3.290.0050.00916.29
7.3.280.0060.01316.29
7.3.270.0140.00317.40
7.3.260.0110.00716.18
7.3.240.0000.01616.47
7.3.230.0140.00716.39
7.3.210.0090.00616.28
7.3.200.0090.00619.39
7.3.190.0060.00916.09
7.3.180.0070.00916.52
7.3.170.0220.00016.31
7.3.160.0070.01416.38
7.2.330.0060.01216.45
7.2.320.0050.01116.63
7.2.310.0100.00716.39
7.2.300.0060.01216.26
7.2.290.0150.00616.46
7.2.80.0030.00316.41
7.2.60.0030.00916.79
7.2.00.0030.01219.42
7.1.200.0070.00015.76
7.1.100.0170.00717.89
7.1.70.0000.00716.76
7.1.60.0130.01019.32
7.1.50.0130.01316.55
7.1.00.0000.08022.57
7.0.200.0000.00716.45
7.0.140.0070.07022.23
7.0.60.0070.08319.95
7.0.50.0030.08317.81
7.0.40.0100.06720.27
7.0.30.0400.07020.16
7.0.20.0400.07020.33
7.0.10.0070.07320.02
7.0.00.0070.04319.99
5.6.280.0030.07321.11
5.6.210.0200.06020.70
5.6.200.0100.08318.23
5.6.190.0170.06020.43
5.6.180.0330.07020.43
5.6.170.0300.07320.48
5.6.160.0030.05020.48
5.6.150.0100.07018.11
5.6.140.0130.04018.12
5.6.130.0000.04318.20
5.6.120.0170.06320.96
5.6.110.0070.08721.12
5.6.100.0100.06021.12
5.6.90.0070.05020.99
5.6.80.0030.08020.28
5.6.70.4330.05020.52
5.5.350.0270.06720.38
5.5.340.0000.04318.01
5.5.330.0000.05020.42
5.5.320.0130.08020.18
5.5.310.0200.04320.27
5.5.300.0030.07017.96
5.5.290.0070.05317.97
5.5.280.0100.05720.64
5.5.270.0030.08720.87
5.5.260.0000.05020.86
5.5.250.0100.06720.57
5.5.240.0230.07720.23
5.4.450.0870.06719.31
5.4.440.0370.05319.53
5.4.430.0730.06019.37
5.4.420.0100.06019.49
5.4.410.0130.05019.19
5.4.400.0030.06019.06
5.4.390.0030.06019.20
5.4.380.0200.06718.92
5.4.370.0200.04319.01
5.4.360.0200.04319.01
5.4.350.0090.06011.97
5.4.340.0120.05111.97
5.4.320.0080.06212.45
5.4.310.0110.06012.45
5.4.300.0120.05112.45
5.4.290.0080.05812.45
5.4.280.0160.05012.34
5.4.270.0110.06212.34
5.4.260.0100.06412.35
5.4.250.0120.06112.35
5.4.240.0160.06812.35
5.4.230.0100.06712.34
5.4.220.0150.05612.34
5.4.210.0110.05512.34
5.4.200.0110.05512.34
5.4.190.0120.05812.33
5.4.180.0070.04312.33
5.4.170.0080.04112.34
5.4.160.0100.04912.34
5.4.150.0060.05212.34
5.4.140.0120.04812.02
5.4.130.0100.05012.01
5.4.120.0060.04611.97
5.4.110.0110.03611.96
5.4.100.0090.04011.96
5.4.90.0070.04211.96
5.4.80.0090.04911.96
5.4.70.0110.03811.96
5.4.60.0050.04911.96
5.4.50.0070.04311.96
5.4.40.0130.04311.95
5.4.30.0180.04611.95
5.4.20.0110.05411.95
5.4.10.0160.04411.95
5.4.00.0130.04911.43
5.3.290.0090.05912.80
5.3.280.0090.05012.71
5.3.270.0060.04312.72
5.3.260.0100.05312.72
5.3.250.0090.04412.72
5.3.240.0120.05112.72
5.3.230.0140.05012.71
5.3.220.0070.04112.68
5.3.210.0100.04312.68
5.3.200.0100.04112.68
5.3.190.0090.04112.68
5.3.180.0120.03912.68
5.3.170.0080.04212.67
5.3.160.0090.05712.68
5.3.150.0080.05512.67
5.3.140.0080.04212.66
5.3.130.0150.06512.66
5.3.120.0070.04812.66
5.3.110.0110.05212.66
5.3.100.0130.05912.12
5.3.90.0130.05012.08
5.3.80.0080.05312.08
5.3.70.0100.04412.08
5.3.60.0100.04812.07
5.3.50.0080.05212.00
5.3.40.0100.05012.00
5.3.30.0090.04811.94
5.3.20.0130.03911.72
5.3.10.0100.05011.69
5.3.00.0050.05711.68
5.2.170.0120.0399.18
5.2.160.0090.0529.18
5.2.150.0070.0439.18
5.2.140.0080.0419.17
5.2.130.0140.0349.13
5.2.120.0130.0369.13
5.2.110.0060.0459.14
5.2.100.0080.0409.14
5.2.90.0080.0449.14
5.2.80.0060.0529.13
5.2.70.0130.0419.13
5.2.60.0080.0419.08
5.2.50.0110.0389.05
5.2.40.0100.0399.03
5.2.30.0120.0429.01
5.2.20.0090.0418.99
5.2.10.0050.0528.92
5.2.00.0080.0448.78
5.1.60.0060.0378.06
5.1.50.0050.0398.06
5.1.40.0080.0348.04
5.1.30.0060.0388.39
5.1.20.0070.0388.41
5.1.10.0110.0478.13
5.1.00.0100.0378.14
5.0.50.0070.0296.62
5.0.40.0060.0336.48
5.0.30.0070.0476.29
5.0.20.0080.0246.26
5.0.10.0050.0306.24
5.0.00.0070.0386.23
4.4.90.0030.0244.78
4.4.80.0050.0214.75
4.4.70.0050.0194.76
4.4.60.0040.0224.76
4.4.50.0040.0224.77
4.4.40.0040.0364.71
4.4.30.0100.0174.76
4.4.20.0030.0234.84
4.4.10.0060.0214.85
4.4.00.0050.0294.76
4.3.110.0030.0264.67
4.3.100.0090.0184.66
4.3.90.0040.0224.63
4.3.80.0050.0324.58
4.3.70.0040.0154.63
4.3.60.0040.0154.62
4.3.50.0040.0164.63
4.3.40.0040.0294.54
4.3.30.0050.0163.29
4.3.20.0020.0243.26
4.3.10.0060.0203.21
4.3.00.0100.0306.84

preferences:
64.64 ms | 401 KiB | 5 Q